<div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt src="https://files.passeidireto.com/a75d4f0c-e800-4d0a-aa6c-b97dbaf6da5a/bg1.png" alt="Pré-visualização de imagem de arquivo"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">Aula 18</div><div class="t m0 x2 h3 y2 ff1 fs1 fc1 sc0 ls0 ws0">Química p/ ENEM 2017 (Com videoaulas)</div><div class="t m0 x2 h4 y3 ff2 fs1 fc1 sc0 ls0 ws0">Professor: Wagner Bertolini</div><div class="t m0 x3 h5 y4 ff2 fs2 fc2 sc0 ls0 ws0">33320407821 - gabriele ostapiuk miudo dias</div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x4 y0 w2 h6" alt src="https://files.passeidireto.com/a75d4f0c-e800-4d0a-aa6c-b97dbaf6da5a/bg2.png" alt="Pré-visualização de imagem de arquivo"><div class="c x5 y5 w3 h7"><div class="t m0 x6 h8 y6 ff3 fs3 fc3 sc0 ls0 ws0">QUÍMICA </div><div class="t m0 x7 h8 y7 ff3 fs3 fc3 sc0 ls0 ws0">Teoria e exercícios </div><div class="t m0 x8 h8 y8 ff3 fs3 fc3 sc0 ls0 ws0">Prof. WAGNER LUIZ<span class="fs4"> </span></div></div><div class="t m0 x9 h9 y9 ff4 fs5 fc4 sc0 ls0 ws0"> <span class="blank _0"> </span> <span class="blank _1"> </span> <span class="blank _2"> </span> <span class="blank _3"> </span> <span class="blank _3"> </span> <span class="blank _3"> </span> </div><div class="t m0 x9 h9 ya ff5 fs4 fc5 sc0 ls0 ws0">Prof. Wagner Luiz <span class="ff4 fs5 fc6">ww<span class="blank _4"></span>w.estrategiaconc<span class="blank _4"></span>ursos.com.br <span class="ff6 fs4 fc5">Página <span class="ff4 ls1">1</span><span class="ls2"> </span><span class="v0">d<span class="blank _4"></span>e <span class="ff4 ls7 ws1">27</span><span class="ff5"> </span></span></span></span></div><div class="t m0 x9 ha yb ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 yc ff8 fs3 fc1 sc0 ls0 ws0">A<span class="blank _4"></span>UL<span class="blank _5"> </span>A<span class="blank _4"></span>: <span class="blank _6"> </span>SISTEMAS <span class="blank _6"> </span>EM <span class="blank _7"> </span>SOLUÇÃ<span class="blank _4"></span>O <span class="blank _6"> </span>AQUOSA: <span class="blank _7"> </span>SOLUÇÕES <span class="blank _6"> </span>VERDADEIRA<span class="blank _4"></span>S, </div><div class="t m0 x9 h8 yd ff8 fs3 fc1 sc0 ls0 ws0">SOLUÇÕES COLOIDAIS E SUSPENSÕES. </div><div class="t m0 x9 ha ye ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="c xa yf w4 hb"><div class="t m0 xb h8 y10 ff8 fs3 fc1 sc0 ls0 ws0">SUMÁRIO </div></div><div class="c xc yf w5 hb"><div class="t m0 xb h8 y10 ff8 fs3 fc1 sc0 ls0 ws0">PÁGINA </div></div><div class="c xa y11 w4 hc"><div class="t m0 xb h8 y12 ff8 fs3 fc0 sc0 ls5 ws2">1.<span class="ls3 ws0"> <span class="ff9 ls0">“Conv<span class="blank _4"></span>ersa” com o vestibulando<span class="ff8"> </span></span></span></div></div><div class="c xc y11 w5 hc"><div class="t m0 xd h8 y12 ff8 fs3 fc0 sc0 ls5 ws2">01<span class="ls0 ws0"> </span></div></div><div class="c xa y13 w4 hb"><div class="t m0 xb h8 y10 ff8 fs3 fc0 sc0 ls5 ws2">2.<span class="ls0 ws0"> <span class="blank _8"> </span>Soluções </span></div></div><div class="c xc y13 w5 hb"><div class="t m0 xd h8 y10 ff8 fs3 fc0 sc0 ls5 ws2">02<span class="ls0 ws0"> </span></div></div><div class="c xa y14 w4 hd"><div class="t m0 xb h8 y15 ff8 fs3 fc0 sc0 ls5 ws2">3.<span class="ls0 ws0"> <span class="blank _8"> </span>Questões comentadas </span></div></div><div class="c xc y14 w5 hd"><div class="t m0 xd h8 y15 ff8 fs3 fc0 sc0 ls5 ws2">09<span class="ls0 ws0"> </span></div></div><div class="t m0 x9 ha y16 ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 ha y17 ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 ha y18 ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y19 ff8 fs3 fc1 sc0 ls0 ws0">1. <span class="ff9">“CONVERSA” COM O VESTIBULANDO<span class="ff7"> </span></span></div><div class="t m0 x9 ha y1a ff7 fs3 fc0 sc0 ls0 ws0">Olá meus queridos alunos. </div><div class="t m0 x9 ha y1b ff7 fs3 fc0 sc0 ls0 ws0">Hoje veremos o assunto relativos a soluções. </div><div class="t m0 x9 ha y1c ff7 fs3 fc0 sc0 ls0 ws0">O que é importante neste assunto? O que é <span class="blank _4"></span>essencial você saber?<span class="blank _5"> </span> </div><div class="t m0 x9 ha y1d ff7 fs3 fc0 sc0 ls0 ws0">Poderia <span class="blank _5"> </span>dizer <span class="blank _5"> </span>que <span class="blank _5"> </span>a <span class="blank _5"> </span>classif<span class="blank _5"> </span>icação das <span class="blank _9"> </span>soluções <span class="blank _5"> </span>e <span class="blank _5"> </span>saber <span class="blank _5"> </span>fazer <span class="blank _5"> </span>os <span class="blank _5"> </span>cálculos <span class="blank _9"> </span>de <span class="blank _5"> </span>massas </div><div class="t m0 x9 ha y1e ff7 fs3 fc0 sc0 ls0 ws0">dissolvidas em função da temperatura é fundamental. </div><div class="t m0 x9 ha y1f ff7 fs3 fc0 sc0 ls0 ws0">Uma dica: <span class="blank _4"></span>NUNCA <span class="blank _4"></span>faça <span class="blank _4"></span>regra de <span class="blank _4"></span>três <span class="blank _4"></span>com a <span class="blank _4"></span>temperatura. <span class="blank _4"></span>Só pode <span class="blank _a"></span>fazer <span class="blank _4"></span>regra de <span class="blank _4"></span>três </div><div class="t m0 x9 ha y20 ff7 fs3 fc0 sc0 ls0 ws0">com a massa do soluto e o volume da solução. </div><div class="t m0 x9 ha y21 ff7 fs3 fc0 sc0 ls0 ws0">A <span class="blank _b"> </span>solução <span class="blank _b"> </span>que <span class="blank _c"> </span>mais <span class="blank _c"> </span>é <span class="blank _b"> </span>frequente <span class="blank _c"> </span>e<span class="blank _5"> </span>m <span class="blank _c"> </span>provas <span class="blank _c"> </span>é<span class="blank _5"> </span> <span class="blank _c"> </span>a <span class="blank _b"> </span>solução <span class="blank _b"> </span>saturada. <span class="blank _c"> </span>É <span class="blank _b"> </span>desta <span class="blank _c"> </span>soluç<span class="blank _9"> </span><span class="ls8">ão </span></div><div class="t m0 x9 ha y22 ff7 fs3 fc0 sc0 ls0 ws0">que, g<span class="blank _4"></span>eralmente, se ex<span class="blank _a"></span>igem cálculos de <span class="blank _a"></span>ma<span class="blank _5"> </span>ssas <span class="blank _a"></span>que precipita ou <span class="blank _a"></span>que está dissolv<span class="blank _4"></span>ida.<span class="blank _5"> </span> </div><div class="t m0 x9 ha y23 ff7 fs3 fc0 sc0 ls0 ws0">Então, é isto. Bons estudos. </div><div class="t m0 x9 ha y24 ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 ha y25 ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 xe ha y26 ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y27 ff8 fs3 fc7 sc0 ls4 ws3">Ob<span class="ls5">se<span class="ls0 ws4">rv<span class="blank _a"></span><span class="ls5">açã<span class="ls0 ws0">o <span class="blank _d"> </span>importante: <span class="blank _e"> </span><span class="fc8 ls9 ws5">Es</span><span class="fc8">te <span class="blank _d"> </span>c<span class="lsa ws6">ur</span>so <span class="blank _f"> </span>é <span class="blank _d"> </span>protegido <span class="blank _d"> </span><span class="lsa ws6">por</span> <span class="blank _d"> </span>d<span class="ls4 ws3">ir</span>eitos <span class="blank _10"> </span>aut<span class="lsa ws6">or</span><span class="ws4">ai</span><span class="ls5">s </span></span></span></span></span></span></div><div class="t m0 x9 h8 y28 ff8 fs3 fc8 sc0 ls0 ws0">(copyright)<span class="blank _4"></span>, <span class="lsa ws6">nos</span> termos<span class="blank _5"> </span> <span class="lsa ws6">da</span> Lei 9.610/<span class="ls8">98</span>, <span class="lsa ws6">que</span> altera<span class="ls4">, <span class="blank _11"> </span></span>atualiza e consolida <span class="blank _11"> </span><span class="ls8">a </span></div><div class="t m0 x9 h8 y29 ff8 fs3 fc8 sc0 ls0 ws4">le<span class="lsa ws6">gi</span>sl<span class="ls5">açã</span><span class="ws0">o sobre d<span class="ls4 ws3">ir</span>eitos aut<span class="lsa ws6">or</span>ais e <span class="lsa ws6">dá</span><span class="ls4"> <span class="lsa">out</span></span>ras prov<span class="ls4 ws3">id<span class="blank _4"></span><span class="ls5">ê<span class="lsa ws6">nc<span class="ls0 ws0">ias.<span class="blank _5"> </span> </span></span></span></span></span></div><div class="t m0 x9 h8 y2a ff8 fs3 fc8 sc0 ls0 ws0">Grupos <span class="blank _12"> </span><span class="lsa ws6">de</span> <span class="blank _12"> </span>rateio <span class="blank _13"> </span>e <span class="blank _13"> </span>pirataria <span class="blank _13"> </span><span class="ls5">sã</span>o <span class="blank _12"> </span>cla<span class="lsa ws6">nd</span>estinos, <span class="blank _12"> </span>v<span class="blank _a"></span>iolam <span class="blank _12"> </span>a <span class="blank _12"> </span>lei <span class="blank _13"> </span>e<span class="blank _5"> </span> <span class="blank _13"> </span><span class="lsa ws6">pr</span><span class="ws4">e<span class="blank _5"> </span>j<span class="lsa ws6">udi<span class="ls5">ca</span></span></span>m <span class="blank _13"> </span>os </div><div class="t m0 x9 h8 y2b ff8 fs3 fc8 sc0 ls0 ws4">prof<span class="ls5">ess<span class="lsa ws6">or</span></span><span class="ws0">es <span class="lsa ws6">que</span> <span class="blank _14"> </span>elaboram <span class="blank _14"> </span>os<span class="blank _5"> </span> <span class="blank _14"> </span>c<span class="lsa ws6">ur</span>s<span class="blank _5"> </span>os. <span class="blank _14"> </span>Valorize<span class="blank _5"> </span> <span class="blank _14"> </span>o <span class="blank _11"> </span>trabalho <span class="blank _14"> </span><span class="lsb ws7">de</span><span class="ls6"> <span class="lsa ws6">nos</span></span>s<span class="blank _5"> </span>a <span class="blank _14"> </span>e<span class="lsa ws6">qui<span class="blank _5"> </span></span></span>p<span class="ls8 ws0">e </span></div><div class="t m0 x9 he y2c ff8 fs3 fc8 sc0 ls0 ws0">adquirindo os curs<span class="lsa ws6">os</span><span class="ls4"> <span class="lsa ws6">hone</span></span>s<span class="blank _5"> </span>tamente através <span class="lsa">do </span>site Estratégia <span class="lsc ws8">Co</span><span class="ws4">nc<span class="lsa ws6">ur<span class="ls5">s</span>os</span></span> ;<span class="blank _5"> </span>-)<span class="fc0 v1"> </span></div><div class="t m0 x9 ha y2d ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 xf hf y2e ff2 fs6 fc1 sc0 ls0">33320407821</div><div class="t m0 x3 h5 y4 ff2 fs2 fc2 sc0 ls0 ws0">33320407821 - gabriele ostapiuk miudo dias</div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x4 y0 w2 h6" alt src="https://files.passeidireto.com/a75d4f0c-e800-4d0a-aa6c-b97dbaf6da5a/bg3.png" alt="Pré-visualização de imagem de arquivo"><div class="c x5 y5 w3 h7"><div class="t m0 x6 h8 y6 ff3 fs3 fc3 sc0 ls0 ws0">QUÍMICA </div><div class="t m0 x7 h8 y7 ff3 fs3 fc3 sc0 ls0 ws0">Teoria e exercícios </div><div class="t m0 x8 h8 y8 ff3 fs3 fc3 sc0 ls0 ws0">Prof. WAGNER LUIZ<span class="fs4"> </span></div></div><div class="t m0 x9 h9 y9 ff4 fs5 fc4 sc0 ls0 ws0"> <span class="blank _0"> </span> <span class="blank _1"> </span> <span class="blank _2"> </span> <span class="blank _3"> </span> <span class="blank _3"> </span> <span class="blank _3"> </span> </div><div class="t m0 x9 h9 ya ff5 fs4 fc5 sc0 ls0 ws0">Prof. Wagner Luiz <span class="ff4 fs5 fc6">ww<span class="blank _4"></span>w.estrategiaconc<span class="blank _4"></span>ursos.com.br <span class="ff6 fs4 fc5">Página <span class="ff4 ls1">2</span><span class="ls2"> </span><span class="v0">d<span class="blank _a"></span>e <span class="blank _5"> </span><span class="ff4 ls7 ws1">27</span><span class="ff5"> </span></span></span></span></div><div class="t m0 x10 h8 yb ff8 fs3 fc1 sc0 ls0 ws0">2. SOLUÇÕES </div><div class="t m0 x9 h8 yc ff8 fs3 fc7 sc0 ls0 ws0">DISPERSÕES E SOLUÇÕES </div><div class="t m0 x9 ha yd ff7 fs3 fc0 sc0 ls0 ws0">Imagine <span class="blank _a"></span>a <span class="blank _a"></span>seguinte <span class="blank _a"></span>situação: <span class="blank _a"></span>necessitamos <span class="blank _a"></span>dissolv<span class="blank _4"></span>er <span class="blank _a"></span>uma <span class="blank _a"></span>determinada <span class="blank _a"></span>quantidade <span class="blank _a"></span>de </div><div class="t m0 x9 ha ye ff7 fs3 fc0 sc0 ls0 ws0">açúcar (C<span class="fs7 ws9 v2">6</span><span class="ws4">H<span class="fs7 lse wsa v2">12</span><span class="ls4">O</span><span class="fs7 ws9 v2">6</span></span>) em água (H<span class="fs7 ws9 v2">2</span>O). </div><div class="t m0 x9 ha y2f ff7 fs3 fc0 sc0 ls0 ws0">Neste exemplo podemos definir alguns conceitos tais como: </div><div class="t m0 x9 h8 y30 ff7 fs3 fc0 sc0 ls0 ws0">O <span class="blank _14"> </span>açúcar <span class="blank _11"> </span><span class="lsf wsb">(C</span><span class="fs7 ws9 v2">6</span><span class="ws4">H<span class="fs7 lse wsa v2">12</span><span class="ls4">O</span><span class="fs7 ws9 v2">6</span></span>) <span class="blank _12"> </span>que <span class="blank _11"> </span>será <span class="blank _12"> </span>d<span class="blank _5"> </span>issolvido <span class="blank _12"> </span>cha<span class="blank _5"> </span>ma-se <span class="blank _14"> </span><span class="ff8 ws4">disperso</span>, <span class="blank _11"> </span>a <span class="blank _12"> </span>água <span class="blank _14"> </span>(H<span class="blank _5"> </span><span class="fs7 ws9 v2">2</span>O) <span class="blank _12"> </span>que </div><div class="t m0 x9 h8 y31 ff7 fs3 fc0 sc0 ls0 ws0">dissolverá <span class="blank _9"> </span>o <span class="blank _c"> </span>açúcar <span class="blank _9"> </span>chama-se <span class="blank _9"> </span><span class="ff8 ws4">dis<span class="blank _5"> </span>persante</span> <span class="blank _9"> </span>ou <span class="blank _9"> </span><span class="ff8 ws4">dispersem<span class="blank _5"> </span>-<span class="lsf wsb">te</span></span> <span class="blank _9"> </span>e <span class="blank _9"> </span>a <span class="blank _9"> </span>mistura <span class="blank _c"> </span>água <span class="blank _9"> </span>com </div><div class="t m0 x9 h8 y32 ff7 fs3 fc0 sc0 ls0 ws0">açúcar é denominada de <span class="ff8 ws4">dis<span class="blank _5"> </span>persão</span>. </div><div class="t m0 x9 h8 y33 ff8 fs3 fc0 sc0 ls0 ws0">Classificação das dispersões<span class="ff7"> </span></div><div class="t m0 x9 ha y34 ff7 fs3 fc0 sc0 ls0 ws0">Se <span class="blank _5"> </span>você <span class="blank _5"> </span>adicionar <span class="blank _5"> </span>um po<span class="blank _5"> </span>uco <span class="blank _5"> </span>de <span class="blank _5"> </span>sal a <span class="blank _5"> </span>um <span class="blank _5"> </span>copo <span class="blank _5"> </span>de <span class="blank _5"> </span>á<span class="blank _5"> </span>gua <span class="blank _5"> </span>e <span class="blank _5"> </span>agitar, <span class="blank _5"> </span>notará <span class="blank _5"> </span>que <span class="blank _5"> </span>o <span class="blank _5"> </span>sal <span class="blank _5"> </span>irá </div><div class="t m0 x9 ha y35 ff7 fs3 fc0 sc0 ls0 ws0">se <span class="blank _5"> </span>dissolver <span class="blank _5"> </span>e, <span class="blank _5"> </span>a <span class="blank _9"> </span>partir <span class="blank _5"> </span>dessa <span class="blank _5"> </span>mistura, <span class="blank _5"> </span>forma<span class="blank _5"> </span>r um<span class="blank _5"> </span>a <span class="blank _5"> </span>solução <span class="blank _5"> </span>aquosa. <span class="blank _5"> </span>No <span class="blank _5"> </span>entanto, <span class="blank _9"> </span>se <span class="blank _5"> </span>a </div><div class="t m0 x9 ha y36 ff7 fs3 fc0 sc0 ls0 ws0">mesma <span class="blank _13"> </span>experiência <span class="blank _13"> </span>for <span class="blank _15"> </span>feita <span class="blank _13"> </span>com <span class="blank _13"> </span>um <span class="blank _13"> </span>pouco<span class="blank _a"></span> <span class="blank _13"> </span>de <span class="blank _13"> </span>areia <span class="blank _13"> </span>fina, <span class="blank _13"> </span>o <span class="blank _13"> </span>resultado <span class="blank _15"> </span>será <span class="blank _13"> </span>muito </div><div class="t m0 x9 ha y37 ff7 fs3 fc0 sc0 ls0 ws0">diferente. <span class="blank _12"> </span>Como <span class="blank _12"> </span>a<span class="blank _5"> </span> <span class="blank _12"> </span>areia <span class="blank _14"> </span>não <span class="blank _12"> </span>se <span class="blank _12"> </span>dissolve <span class="blank _14"> </span>em <span class="blank _12"> </span>água, <span class="blank _14"> </span>irá <span class="blank _12"> </span>depos<span class="blank _5"> </span>itar-se <span class="blank _14"> </span>no <span class="blank _12"> </span>fundo <span class="blank _12"> </span>do </div><div class="t m0 x9 ha y38 ff7 fs3 fc0 sc0 ls0 ws0">recipiente, <span class="blank _5"> </span>logo <span class="blank _5"> </span>após <span class="blank _5"> </span>o <span class="blank _5"> </span>término <span class="blank _5"> </span>da <span class="blank _5"> </span>agitação. A <span class="blank _5"> </span>mistura <span class="blank _5"> </span>de <span class="blank _5"> </span>água <span class="blank _5"> </span>e <span class="blank _5"> </span>areia, <span class="blank _5"> </span>no <span class="blank _5"> </span>momento </div><div class="t m0 x9 ha y39 ff7 fs3 fc0 sc0 ls0 ws0">da <span class="blank _c"> </span>agitação, <span class="blank _c"> </span>constitui <span class="blank _c"> </span>um <span class="blank _c"> </span>bom <span class="blank _c"> </span>exemplo <span class="blank _c"> </span>de <span class="blank _c"> </span>suspensão. <span class="blank _b"> </span>Mesmo <span class="blank _9"> </span>a<span class="blank _5"> </span>trav<span class="blank _4"></span>és <span class="blank _c"> </span>da <span class="blank _c"> </span>f<span class="blank _5"> </span>iltração,<span class="blank _a"></span> </div><div class="t m0 x9 ha y3a ff7 fs3 fc0 sc0 ls0 ws0">seria <span class="blank _9"> </span>possível <span class="blank _5"> </span>ob<span class="blank _5"> </span>servar <span class="blank _5"> </span>uma <span class="blank _9"> </span>diferença <span class="blank _9"> </span>importante <span class="blank _9"> </span>entre <span class="blank _9"> </span>esses <span class="blank _5"> </span>dois <span class="blank _9"> </span>tipos <span class="blank _9"> </span>d<span class="blank _9"> </span>e <span class="blank _5"> </span>m<span class="blank _5"> </span>istura: </div><div class="t m0 x9 ha y3b ff7 fs3 fc0 sc0 ls0 ws0">as suspensões podem ser filtradas; as soluções, não. </div><div class="t m0 x9 ha y3c ff7 fs3 fc0 sc0 ls0 ws0">É <span class="blank _a"></span>e<span class="blank _5"> </span>vidente <span class="blank _a"></span>que ess<span class="blank _a"></span>a<span class="blank _5"> </span> <span class="blank _a"></span>diferença <span class="blank _4"></span>de <span class="blank _a"></span>compo<span class="blank _5"> </span>rtamento <span class="blank _a"></span>entre <span class="blank _4"></span>as <span class="blank _a"></span>soluções <span class="blank _a"></span>e<span class="blank _5"> </span> <span class="blank _a"></span>as suspensões<span class="blank _a"></span> </div><div class="t m0 x9 ha y3d ff7 fs3 fc0 sc0 ls0 ws0">se deve <span class="blank _a"></span>ao tamanho <span class="blank _a"></span>da partícula <span class="blank _4"></span>dispersa. <span class="blank _a"></span>Enquanto que <span class="blank _4"></span>os <span class="blank _a"></span>e<span class="blank _5"> </span>normes <span class="blank _a"></span>grãos de <span class="blank _a"></span>a<span class="blank _5"> </span>reia, </div><div class="t m0 x9 ha y3e ff7 fs3 fc0 sc0 ls0 ws0">a <span class="blank _5"> </span>m<span class="blank _5"> </span>aioria <span class="blank _9"> </span>visíveis <span class="blank _5"> </span>a <span class="blank _9"> </span>olho <span class="blank _9"> </span>nu, <span class="blank _9"> </span>ficam <span class="blank _9"> </span>presos <span class="blank _9"> </span>no <span class="blank _9"> </span>papel <span class="blank _5"> </span>de <span class="blank _9"> </span>filtro, <span class="blank _9"> </span>os <span class="blank _9"> </span>invisíveis <span class="blank _5"> </span>íons <span class="blank _9"> </span>Na<span class="blank _5"> </span><span class="fs7 ws9 v3">+</span><span class="lsd"> <span class="ls8">e </span></span></div><div class="t m0 x9 ha y3f ff7 fs3 fc0 sc0 lsc ws8">Cl<span class="fs7 ls0 ws9 v3">-</span><span class="ls0 ws0"> possuem dimensões tão reduzidas que atravessam facilmente os poros do filtro. </span></div><div class="t m0 x9 ha y40 ff7 fs3 fc0 sc0 ls0 ws0">Há <span class="blank _a"></span>uma <span class="blank _a"></span>ampla <span class="blank _4"></span>variedade <span class="blank _a"></span>de <span class="blank _a"></span>valores <span class="blank _a"></span>entre <span class="blank _a"></span>o <span class="blank _a"></span>diâmetro <span class="blank _a"></span>médio <span class="blank _a"></span>dos <span class="blank _a"></span>íons <span class="blank _a"></span>e d<span class="blank _a"></span>a<span class="blank _5"> </span>s <span class="blank _a"></span>moléculas </div><div class="t m0 x9 ha y41 ff7 fs3 fc0 sc0 ls0 ws0">comuns <span class="blank _b"> </span>e <span class="blank _15"> </span>o <span class="blank _b"> </span>diâmetro <span class="blank _b"> </span>médio <span class="blank _15"> </span>d<span class="blank _4"></span>e <span class="blank _15"> </span>corpos <span class="blank _b"> </span>maiores <span class="blank _b"> </span>como <span class="blank _15"> </span>os <span class="blank _b"> </span>da <span class="blank _b"> </span>areia, <span class="blank _16"> </span>constituídos <span class="blank _b"> </span>de </div><div class="t m0 x9 ha y42 ff7 fs3 fc0 sc0 ls0 ws0">sílica (SiO<span class="fs7 ws9 v2">2</span>). Em outras pal<span class="blank _4"></span>avras, as partículas dis<span class="blank _4"></span>persas num meio sólido,<span class="blank _4"></span> líquido ou </div><div class="t m0 x9 ha y43 ff7 fs3 fc0 sc0 ls0 ws0">gasoso <span class="blank _17"> </span>possuem <span class="blank _17"> </span>tamanhos <span class="blank _1"> </span>m<span class="blank _5"> </span>uito <span class="blank _1"> </span>dife<span class="blank _5"> </span>rentes. <span class="blank _17"> </span>Para <span class="blank _1"> </span>muitos <span class="blank _17"> </span>pesquisadores, <span class="blank _17"> </span>os </div><div class="t m0 x9 ha y44 ff7 fs3 fc0 sc0 ls0 ws0">dispersos <span class="blank _13"> </span>com <span class="blank _13"> </span>diâmetros <span class="blank _13"> </span>médios <span class="blank _13"> </span>entre <span class="blank _13"> </span>1,0 <span class="blank _13"> </span>mm <span class="blank _13"> </span>e <span class="blank _13"> </span>10<span class="blank _5"> </span>00 <span class="blank _13"> </span>mm <span class="blank _13"> </span>constituem <span class="blank _13"> </span>fronteiras </div><div class="t m0 x9 ha y45 ff7 fs3 fc0 sc0 ls0 ws0">gerais <span class="blank _4"></span>para uma <span class="blank _4"></span>classificação d<span class="blank _a"></span>a<span class="blank _5"> </span>s <span class="blank _4"></span>misturas. A<span class="blank _4"></span>ssim, partículas <span class="blank _a"></span>com diâmetro <span class="blank _4"></span>inferior a </div><div class="t m0 x9 ha y46 ff7 fs3 fc0 sc0 ls0 ws0">1,0 m<span class="blank _4"></span>m enc<span class="blank _4"></span>ontram-se <span class="blank _a"></span>e<span class="blank _5"> </span>m <span class="blank _a"></span>so<span class="blank _5"> </span>lução. <span class="blank _a"></span>Por outro <span class="blank _a"></span>lado, partí<span class="blank _4"></span>culas com<span class="blank _4"></span> di<span class="blank _4"></span>âmetro s<span class="blank _4"></span>uperior <span class="blank _a"></span>a </div><div class="t m0 x9 ha y47 ff7 fs3 fc0 sc0 ls0 ws0">1000 <span class="blank _c"> </span>mm <span class="blank _b"> </span>estariam <span class="blank _b"> </span>dispersas <span class="blank _c"> </span>em <span class="blank _b"> </span>misturas <span class="blank _b"> </span>denominadas <span class="blank _c"> </span>suspensõ<span class="blank _5"> </span>es. <span class="blank _b"> </span>Os <span class="blank _b"> </span>cientistas </div><div class="t m0 x9 ha y48 ff7 fs3 fc0 sc0 ls0 ws0">observaram que partículas com diâmetro entre 1,0 mm e 1000 mm participam d<span class="blank _5"> </span>e um </div><div class="t m0 x9 ha y49 ff7 fs3 fc0 sc0 ls0 ws0">campo muito importante, chamado de misturas coloidais ou simplesmente coloides. </div><div class="t m0 x9 ha y4a ff7 fs3 fc0 sc0 ls0 ws0">Analisando <span class="blank _18"></span>o <span class="blank _18"></span>quadro <span class="blank _18"></span>a <span class="blank _18"></span>seguir, <span class="blank _18"></span>podemos <span class="blank _18"></span>comparar <span class="blank _18"></span>características <span class="blank _18"></span>gerais <span class="blank _18"></span>das <span class="blank _18"></span>soluç<span class="blank _5"> </span>õe<span class="blank _5"> </span>s,<span class="blank _4"></span> </div><div class="t m0 x9 ha y4b ff7 fs3 fc0 sc0 ls0 ws0">das misturas coloidais e das suspensões.<span class="blank _4"></span> Note que, nas misturas em geral, a<span class="blank _a"></span> </div><div class="t m0 xf hf y2e ff2 fs6 fc1 sc0 ls0">33320407821</div><div class="t m0 x3 h5 y4 ff2 fs2 fc2 sc0 ls0 ws0">33320407821 - gabriele ostapiuk miudo dias</div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x4 y0 w2 h6" alt src="https://files.passeidireto.com/a75d4f0c-e800-4d0a-aa6c-b97dbaf6da5a/bg4.png" alt="Pré-visualização de imagem de arquivo"><div class="c x5 y5 w3 h7"><div class="t m0 x6 h8 y6 ff3 fs3 fc3 sc0 ls0 ws0">QUÍMICA </div><div class="t m0 x7 h8 y7 ff3 fs3 fc3 sc0 ls0 ws0">Teoria e exercícios </div><div class="t m0 x8 h8 y8 ff3 fs3 fc3 sc0 ls0 ws0">Prof. WAGNER LUIZ<span class="fs4"> </span></div></div><div class="t m0 x9 h9 y9 ff4 fs5 fc4 sc0 ls0 ws0"> <span class="blank _0"> </span> <span class="blank _1"> </span> <span class="blank _2"> </span> <span class="blank _3"> </span> <span class="blank _3"> </span> <span class="blank _3"> </span> </div><div class="t m0 x9 h9 ya ff5 fs4 fc5 sc0 ls0 ws0">Prof. Wagner Luiz <span class="ff4 fs5 fc6">ww<span class="blank _4"></span>w.estrategiaconc<span class="blank _4"></span>ursos.com.br <span class="ff6 fs4 fc5">Página <span class="ff4 ls1">3</span><span class="ls2"> </span><span class="v0">d<span class="blank _a"></span>e <span class="blank _5"> </span><span class="ff4 ls7 ws1">27</span><span class="ff5"> </span></span></span></span></div><div class="t m0 x9 ha yb ff7 fs3 fc0 sc0 ls0 ws0">substância <span class="blank _15"> </span>em <span class="blank _16"> </span>menor <span class="blank _16"> </span>quantid<span class="blank _5"> </span>ade <span class="blank _16"> </span>pode <span class="blank _15"> </span>ser <span class="blank _16"> </span>chamada <span class="blank _15"> </span>de <span class="blank _16"> </span>dispe<span class="blank _5"> </span>rso, <span class="blank _16"> </span>ou <span class="blank _15"> </span>seja, <span class="blank _16"> </span>é <span class="blank _15"> </span>uma </div><div class="t m0 x9 ha yc ff7 fs3 fc0 sc0 ls0 ws0">substância <span class="blank _15"> </span>que <span class="blank _16"> </span>se <span class="blank _16"> </span>encontra<span class="blank _5"> </span> <span class="blank _16"> </span>espalhada, <span class="blank _16"> </span>de <span class="blank _15"> </span>maneira <span class="blank _16"> </span>homogênea <span class="blank _15"> </span>ou <span class="blank _15"> </span>não, <span class="blank _16"> </span>em <span class="blank _15"> </span>outra </div><div class="t m0 x9 ha yd ff7 fs3 fc0 sc0 ls0 ws0">substância <span class="blank _9"> </span>denominada <span class="blank _5"> </span>d<span class="blank _5"> </span>ispersante. <span class="blank _5"> </span>Nessas <span class="blank _9"> </span>condições, <span class="blank _9"> </span>a <span class="blank _9"> </span>mistura <span class="blank _5"> </span>rece<span class="blank _5"> </span>berá <span class="blank _5"> </span>o <span class="blank _9"> </span>nome </div><div class="t m0 x9 ha ye ff7 fs3 fc0 sc0 ls0 ws0">geral de dispersão. </div><div class="c x9 y4c w6 h10"><div class="t m0 x11 ha y4d ff7 fs3 fc0 sc0 ls0 ws0"> </div></div><div class="c x12 y4c w7 h10"><div class="t m0 x11 h8 y4e ff8 fs3 fc0 sc0 ls0 ws4">solução<span class="ff7 ws0"> </span></div></div><div class="c x13 y4c w8 h10"><div class="t m0 x11 h8 y4e ff8 fs3 fc0 sc0 ls0 ws0">dispersão coloidal<span class="ff7"> </span></div></div><div class="c x14 y4c w9 h10"><div class="t m0 x11 h8 y4e ff8 fs3 fc0 sc0 ls0 ws4">Suspensão<span class="ff7 ws0"> </span></div></div><div class="c x9 y4f w6 h11"><div class="t m0 x11 h8 y50 ff8 fs3 fc0 sc0 ls0 ws4">disperso<span class="ff7 ws0"> </span></div></div><div class="c x12 y4f w7 h11"><div class="t m0 x11 ha y50 ff7 fs3 fc0 sc0 ls0 ws0">átomos, <span class="blank _19"> </span>íons, </div><div class="t m0 x11 ha y12 ff7 fs3 fc0 sc0 ls0 ws0">moléculas </div></div><div class="c x13 y4f w8 h11"><div class="t m0 x11 ha y50 ff7 fs3 fc0 sc0 ls0 ws0">Aglomerados </div></div><div class="c x14 y4f w9 h11"><div class="t m0 x11 ha y50 ff7 fs3 fc0 sc0 ls0 ws0">grandes </div><div class="t m0 x11 ha y12 ff7 fs3 fc0 sc0 ls0 ws0">aglomerados </div></div><div class="c x9 y51 w6 h12"><div class="t m0 x11 h8 y52 ff8 fs3 fc0 sc0 ls0 ws0">diâmetro (d)<span class="ff7"> </span></div></div><div class="c x12 y51 w7 h12"><div class="t m0 x11 ha y52 ff7 fs3 fc0 sc0 ls0 ws0">d < 1nm </div></div><div class="c x13 y51 w8 h12"><div class="t m0 x11 ha y52 ff7 fs3 fc0 sc0 ls0 ws0">1nm < d < 1000nm </div></div><div class="c x14 y51 w9 h12"><div class="t m0 x11 ha y52 ff7 fs3 fc0 sc0 ls0 ws0">d>1000nm </div></div><div class="c x9 y53 w6 h13"><div class="t m0 x11 h8 y54 ff8 fs3 fc0 sc0 ls0 ws4">visibilidade<span class="ff7 ws0"> </span></div></div><div class="c x12 y53 w7 h13"><div class="t m0 x11 ha y54 ff7 fs3 fc0 sc0 ls0 ws0">não são visíveis </div></div><div class="c x13 y53 w8 h13"><div class="t m0 x11 ha y54 ff7 fs3 fc0 sc0 ls0 ws0">visível no ultramicroscópio </div></div><div class="c x14 y53 w9 h13"><div class="t m0 x11 ha y54 ff7 fs3 fc0 sc0 ls0 ws0">visível a olho </div><div class="t m0 x11 ha y12 ff7 fs3 fc0 sc0 ls5 ws2">nu<span class="ls0 ws0"> </span></div></div><div class="c x9 y55 w6 h13"><div class="t m0 x11 h8 y54 ff8 fs3 fc0 sc0 ls0 ws4">decantação<span class="ff7 ws0"> </span></div></div><div class="c x12 y55 w7 h13"><div class="t m0 x11 ha y54 ff7 fs3 fc0 sc0 ls0 ws0">não decanta </div></div><div class="c x13 y55 w8 h13"><div class="t m0 x11 ha y54 ff7 fs3 fc0 sc0 ls0 ws0">decanta <span class="blank _a"></span>no <span class="blank _18"></span>ultracentrifugador </div></div><div class="c x14 y55 w9 h13"><div class="t m0 x11 ha y54 ff7 fs3 fc0 sc0 ls0 ws0">decantação </div><div class="t m0 x11 ha y12 ff7 fs3 fc0 sc0 ls0 ws0">espontânea </div></div><div class="c x9 y56 w6 h14"><div class="t m0 x11 h8 y57 ff8 fs3 fc0 sc0 ls0 ws0">ação <span class="blank _1a"> </span>do </div><div class="t m0 x11 h8 y10 ff8 fs3 fc0 sc0 ls0 ws4">filtro<span class="ff7 ws0"> </span></div></div><div class="c x12 y56 w7 h14"><div class="t m0 x11 ha y57 ff7 fs3 fc0 sc0 ls0 ws0">não separa </div></div><div class="c x13 y56 w8 h14"><div class="t m0 x11 ha y57 ff7 fs3 fc0 sc0 ls0 ws0">separa no ultrafiltro </div></div><div class="c x14 y56 w9 h14"><div class="t m0 x11 ha y57 ff7 fs3 fc0 sc0 ls0 ws0">separa <span class="blank _1b"> </span>no </div><div class="t m0 x11 ha y10 ff7 fs3 fc0 sc0 ls0 ws0">filtro comum </div></div><div class="c x9 y58 w6 h15"><div class="t m0 x11 h8 y59 ff8 fs3 fc0 sc0 ls0 ws4">exemplos<span class="ff7 ws0"> </span></div></div><div class="c x12 y58 w7 h15"><div class="t m0 x11 ha y59 ff7 fs3 fc0 sc0 ls0 ws0">sal em água </div></div><div class="c x13 y58 w8 h15"><div class="t m0 x11 ha y59 ff7 fs3 fc0 sc0 ls0 ws0">gelatina em água </div></div><div class="c x14 y58 w9 h15"><div class="t m0 x11 ha y59 ff7 fs3 fc0 sc0 ls0 ws0">água barrenta </div></div><div class="t m0 x9 h8 y5a ff8 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y5b ff8 fs3 fc0 sc0 ls0 ws0">Classificação das soluções </div><div class="t m0 x15 h8 y5c ff8 fs3 fc0 sc0 ls10 ws0"> <span class="fc7 ls0">Estas c<span class="blank _5"> </span>lassificações não são <span class="blank _5"> </span>muito importantes. </span></div><div class="t m0 x9 h8 y5d ff8 fs3 fc7 sc0 ls0 ws0">Vale a pena apenas ler e dar uma brev<span class="blank _a"></span>e<span class="blank _5"> </span> analisada.<span class="blank _5"> </span> </div><div class="t m0 x9 h8 y5e ff8 fs3 fc0 sc0 ls0 ws0">- De acordo com o estado físico </div><div class="t m0 x9 h8 y5f ff8 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y60 ff8 fs3 fc0 sc0 ls0 ws0">-Solução sólida </div><div class="t m0 x9 ha y61 ff7 fs3 fc0 sc0 ls0 ws0">O solvente é sempre sólido e o soluto pode ser: sólido, líq<span class="blank _4"></span>uido ou gasoso.<span class="blank _5"> </span> </div><div class="t m0 x9 ha y62 ff7 fs3 fc0 sc0 ls0 ws0">Exemplos: <span class="blank _a"></span>ligas <span class="blank _a"></span>metálicas <span class="blank _a"></span>(Solda: <span class="blank _a"></span>Sn+Pb, <span class="blank _a"></span>Ouro <span class="blank _a"></span>18K: <span class="blank _a"></span>Au+Ag <span class="blank _a"></span>e/ou <span class="blank _a"></span>Cu, <span class="blank _a"></span>Bronze: <span class="blank _a"></span>Cu+Sn, </div><div class="t m0 x9 ha y63 ff7 fs3 fc0 sc0 ls0 ws0">Aço: Fe+C, Latão: Cu+Zn, Amálgama: Hg+Ag, etc.) </div><div class="t m0 x9 h8 y64 ff8 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y65 ff8 fs3 fc0 sc0 ls0 ws0">-Solução líquida </div><div class="t m0 xf hf y2e ff2 fs6 fc1 sc0 ls0">33320407821</div><div class="t m0 x3 h5 y4 ff2 fs2 fc2 sc0 ls0 ws0">33320407821 - gabriele ostapiuk miudo dias</div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x4 y0 w2 h6" alt src="https://files.passeidireto.com/a75d4f0c-e800-4d0a-aa6c-b97dbaf6da5a/bg5.png" alt="Pré-visualização de imagem de arquivo"><div class="c x5 y5 w3 h7"><div class="t m0 x6 h8 y6 ff3 fs3 fc3 sc0 ls0 ws0">QUÍMICA </div><div class="t m0 x7 h8 y7 ff3 fs3 fc3 sc0 ls0 ws0">Teoria e exercícios </div><div class="t m0 x8 h8 y8 ff3 fs3 fc3 sc0 ls0 ws0">Prof. WAGNER LUIZ<span class="fs4"> </span></div></div><div class="t m0 x9 h9 y9 ff4 fs5 fc4 sc0 ls0 ws0"> <span class="blank _0"> </span> <span class="blank _1"> </span> <span class="blank _2"> </span> <span class="blank _3"> </span> <span class="blank _3"> </span> <span class="blank _3"> </span> </div><div class="t m0 x9 h9 ya ff5 fs4 fc5 sc0 ls0 ws0">Prof. Wagner Luiz <span class="ff4 fs5 fc6">ww<span class="blank _4"></span>w.estrategiaconc<span class="blank _4"></span>ursos.com.br <span class="ff6 fs4 fc5">Página <span class="ff4 ls1">4</span><span class="ls2"> </span><span class="v0">d<span class="blank _a"></span>e <span class="blank _5"> </span><span class="ff4 ls7 ws1">27</span><span class="ff5"> </span></span></span></span></div><div class="t m0 x9 ha yb ff7 fs3 fc0 sc0 ls0 ws0">O solvente é sempre líquido e o soluto pode ser: sólido, líq<span class="blank _4"></span>uido ou gasoso.<span class="blank _5"> </span> </div><div class="t m0 x9 ha yc ff7 fs3 fc0 sc0 ls0 ws0">Exemplos: <span class="blank _1c"> </span>soro fisiológico <span class="blank _1c"> </span>(água <span class="blank _1d"> </span>- <span class="blank _1c"> </span>solvent<span class="blank _4"></span>e, <span class="blank _1c"> </span>sal <span class="blank _1c"> </span>- <span class="blank _1c"> </span>soluto), <span class="blank _1c"> </span>refrigerantes <span class="blank _1c"> </span>(água <span class="blank _1c"> </span>- </div><div class="t m0 x9 ha yd ff7 fs3 fc0 sc0 ls0 ws0">solvente, gás carbônico - soluto), álcool hidratado (água <span class="blank _5"> </span>- solvente, álcool - soluto) </div><div class="t m0 x9 ha ye ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y2f ff8 fs3 fc0 sc0 ls0 ws0">-solução gasosa </div><div class="t m0 x9 ha y30 ff7 fs3 fc0 sc0 ls0 ws0">O solvente é gasoso e o soluto gasoso. </div><div class="t m0 x9 ha y31 ff7 fs3 fc0 sc0 ls0 ws0">Exemplo: ar atmosférico filtrado </div><div class="t m0 x9 h8 y32 ff8 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y33 ff8 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y34 ff8 fs3 fc0 sc0 ls0 ws0">De acordo com a natureza do soluto </div><div class="t m0 x9 h8 y35 ff8 fs3 fc0 sc0 ls0 ws0">Solução molecular </div><div class="t m0 x9 ha y36 ff7 fs3 fc0 sc0 ls0 ws0">As <span class="blank _13"> </span>partículas <span class="blank _13"> </span>dispersas <span class="blank _13"> </span>do <span class="blank _13"> </span>soluto <span class="blank _13"> </span>são <span class="blank _13"> </span>moléculas. <span class="blank _13"> </span>A <span class="blank _13"> </span>solução <span class="blank _15"> </span>molecular <span class="blank _13"> </span>é <span class="blank _13"> </span>também </div><div class="t m0 x9 ha y37 ff7 fs3 fc0 sc0 ls0 ws0">chamada de solução não-eletrolítica. </div><div class="t m0 x9 ha y38 ff7 fs3 fc0 sc0 ls0 ws0">Exemplo: água + açúcar (C<span class="fs7 ws9 v2">6</span><span class="ws4">H<span class="fs7 lse wsa v2">12</span><span class="ls4">O</span><span class="fs7 ws9 v2">6</span><span class="lsf wsc">).</span></span> </div><div class="t m0 x9 h8 y39 ff8 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y3a ff8 fs3 fc0 sc0 ls0 ws0">Solução iônica </div><div class="t m0 x9 ha y3b ff7 fs3 fc0 sc0 ls0 ws0">As <span class="blank _9"> </span>partículas <span class="blank _5"> </span>d<span class="blank _5"> </span>ispersas <span class="blank _5"> </span>do <span class="blank _9"> </span>soluto <span class="blank _5"> </span>são <span class="blank _9"> </span>íons <span class="blank _9"> </span>ou <span class="blank _9"> </span>íons <span class="blank _5"> </span>e <span class="blank _9"> </span>moléculas <span class="blank _9"> </span>(de<span class="blank _5"> </span>pendendo <span class="blank _9"> </span>do <span class="blank _9"> </span>sal </div><div class="t m0 x9 ha y3c ff7 fs3 fc0 sc0 ls0 ws0">ou do ácido). </div><div class="t m0 x9 ha y3d ff7 fs3 fc0 sc0 ls0 ws0">Exemplo: água + sal (NaCl), água + ácido clorídrico (HCl) </div><div class="t m0 x9 ha y3e ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x15 ha y66 ffa fs3 fc7 sc0 ls0 ws0">Estas são importantes !<span class="ff7"> </span></div><div class="t m0 x9 h8 y67 ff8 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y68 ff8 fs3 fc0 sc0 ls0 ws0">- De acordo com a proporção do soluto em relação ao solvente<span class="ff7"> </span></div><div class="t m0 x9 ha y69 ff7 fs3 fc0 sc0 ls0 ws0">Num det<span class="blank _4"></span>erminado dia<span class="blank _4"></span>, <span class="blank _a"></span>a<span class="blank _5"> </span>o rec<span class="blank _a"></span>e<span class="blank _5"> </span>ber <span class="blank _a"></span>visitas em <span class="blank _a"></span>sua casa, <span class="blank _a"></span>você resolve <span class="blank _a"></span>preparar <span class="blank _5"> </span>suco <span class="blank _a"></span>de </div><div class="t m0 x9 ha y6a ff7 fs3 fc0 sc0 ls0 ws0">laranja <span class="blank _a"></span>e <span class="blank _a"></span>suco <span class="blank _a"></span>de <span class="blank _a"></span>uva <span class="blank _a"></span>para <span class="blank _4"></span>servir <span class="blank _18"></span>a<span class="blank _5"> </span> <span class="blank _a"></span>seus <span class="blank _a"></span>convidados. <span class="blank _a"></span>Ao <span class="blank _a"></span>servir <span class="blank _18"></span>o suc<span class="blank _a"></span>o<span class="blank _5"> </span> <span class="blank _a"></span>de <span class="blank _a"></span>laranja, <span class="blank _a"></span>nota<span class="blank _5"> </span>-</div><div class="t m0 x9 ha y6b ff7 fs3 fc0 sc0 ls0 ws0">se <span class="blank _5"> </span>que <span class="blank _5"> </span>algumas <span class="blank _5"> </span>pessoas <span class="blank _5"> </span>f<span class="blank _5"> </span>azem <span class="blank _5"> </span>cara <span class="blank _5"> </span>feia <span class="blank _5"> </span>e <span class="blank _5"> </span>dizem: <span class="blank _5"> </span>nossa <span class="blank _5"> </span>como <span class="blank _5"> </span>está <span class="blank _5"> </span>forte! <span class="blank _9"> </span>Enquanto </div><div class="t m0 x9 ha y6c ff7 fs3 fc0 sc0 ls0 ws0">que outras pessoas que beberam suco de uva dizem: Hum, este está muito fraco!<span class="blank _5"> </span> </div><div class="t m0 x9 ha y6d ff7 fs3 fc0 sc0 ls0 ws0">Nestes <span class="blank _14"> </span>dois <span class="blank _14"> </span>ca<span class="blank _5"> </span>sos <span class="blank _14"> </span>descritos <span class="blank _14"> </span>acima, <span class="blank _14"> </span>podemos <span class="blank _14"> </span>observar <span class="blank _11"> </span>que <span class="blank _14"> </span>temos <span class="blank _14"> </span>dois <span class="blank _14"> </span>tipos <span class="blank _14"> </span>de </div><div class="t m0 x9 h8 y6e ff7 fs3 fc0 sc0 ls0 ws0">soluções: <span class="ff8 ws4">diluída</span><span class="ls4"> <span class="ls5">e </span></span><span class="ff8 ws4">concentrada</span>. </div><div class="t m0 x9 h8 y6f ff8 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y70 ff8 fs3 fc0 sc0 ls0 ws4">Diluída<span class="ff7 ws0"> </span></div><div class="t m0 x9 ha y71 ff7 fs3 fc0 sc0 ls0 ws0">Pouco soluto dissolvido em relação ao solvente (suco de uva). </div><div class="t m0 xf hf y2e ff2 fs6 fc1 sc0 ls0">33320407821</div><div class="t m0 x3 h5 y4 ff2 fs2 fc2 sc0 ls0 ws0">33320407821 - gabriele ostapiuk miudo dias</div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf6" class="pf w0 h0" data-page-no="6"><div class="pc pc6 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x4 y0 w2 h6" alt src="https://files.passeidireto.com/a75d4f0c-e800-4d0a-aa6c-b97dbaf6da5a/bg6.png" alt="Pré-visualização de imagem de arquivo"><div class="c x5 y5 w3 h7"><div class="t m0 x6 h8 y6 ff3 fs3 fc3 sc0 ls0 ws0">QUÍMICA </div><div class="t m0 x7 h8 y7 ff3 fs3 fc3 sc0 ls0 ws0">Teoria e exercícios </div><div class="t m0 x8 h8 y8 ff3 fs3 fc3 sc0 ls0 ws0">Prof. WAGNER LUIZ<span class="fs4"> </span></div></div><div class="t m0 x9 h9 y9 ff4 fs5 fc4 sc0 ls0 ws0"> <span class="blank _0"> </span> <span class="blank _1"> </span> <span class="blank _2"> </span> <span class="blank _3"> </span> <span class="blank _3"> </span> <span class="blank _3"> </span> </div><div class="t m0 x9 h9 ya ff5 fs4 fc5 sc0 ls0 ws0">Prof. Wagner Luiz <span class="ff4 fs5 fc6">ww<span class="blank _4"></span>w.estrategiaconc<span class="blank _4"></span>ursos.com.br <span class="ff6 fs4 fc5">Página <span class="ff4 ls1">5</span><span class="ls2"> </span><span class="v0">d<span class="blank _a"></span>e <span class="blank _5"> </span><span class="ff4 ls7 ws1">27</span><span class="ff5"> </span></span></span></span></div><div class="t m0 x9 h8 yb ff8 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 yc ff8 fs3 fc0 sc0 ls0 ws4">Concentrada<span class="ff7 ws0"> </span></div><div class="t m0 x9 ha yd ff7 fs3 fc0 sc0 ls0 ws0">Muito soluto dissolvido em relação ao solvente (suco de laranja). </div><div class="t m0 x9 ha ye ff7 fs3 fc0 sc0 ls0 ws0">Ao juntarmos, gradativ<span class="blank _a"></span>a<span class="blank _5"> </span>mente, açúcar e <span class="blank _11"> </span>água em <span class="blank _11"> </span>temperatura <span class="blank _11"> </span>constante e <span class="blank _11"> </span>sob </div><div class="t m0 x9 ha y2f ff7 fs3 fc0 sc0 ls0 ws0">agitação <span class="blank _c"> </span>contínua, <span class="blank _c"> </span>notamos <span class="blank _9"> </span>que <span class="blank _c"> </span>o <span class="blank _c"> </span>sólido <span class="blank _c"> </span>se <span class="blank _c"> </span>dissolve, <span class="blank _c"> </span>até <span class="blank _c"> </span>não <span class="blank _c"> </span>poder <span class="blank _c"> </span>ser <span class="blank _c"> </span>mais <span class="blank _9"> </span>visto. </div><div class="t m0 x9 ha y30 ff7 fs3 fc0 sc0 ls0 ws0">Vamos <span class="blank _5"> </span>acrescentando <span class="blank _5"> </span>mais <span class="blank _5"> </span>açúcar <span class="blank _5"> </span>e <span class="blank _5"> </span>tornando a<span class="blank _5"> </span> <span class="blank _5"> </span>solução <span class="blank _5"> </span>mais <span class="blank _5"> </span>concentrada, até <span class="blank _5"> </span>que </div><div class="t m0 x9 ha y31 ff7 fs3 fc0 sc0 ls0 ws0">em <span class="blank _5"> </span>um <span class="blank _5"> </span>d<span class="blank _5"> </span>ado <span class="blank _5"> </span>momento, <span class="blank _5"> </span>o <span class="blank _9"> </span>açúcar <span class="blank _5"> </span>não <span class="blank _5"> </span>se <span class="blank _5"> </span>d<span class="blank _5"> </span>issolve <span class="blank _5"> </span>mais <span class="blank _5"> </span>na <span class="blank _9"> </span>água, <span class="blank _5"> </span>mas <span class="blank _5"> </span>se <span class="blank _5"> </span>deposita <span class="blank _5"> </span>no </div><div class="t m0 x9 ha y32 ff7 fs3 fc0 sc0 ls0 ws0">fundo <span class="blank _5"> </span>ou <span class="blank _5"> </span>se precipita <span class="blank _5"> </span>ou <span class="blank _5"> </span>se <span class="blank _5"> </span>deposita ou <span class="blank _5"> </span>se <span class="blank _5"> </span>decanta. Neste <span class="blank _5"> </span>momento, <span class="blank _5"> </span>dizemos <span class="blank _5"> </span>que a </div><div class="t m0 x9 h8 y33 ff7 fs3 fc0 sc0 ls0 ws0">solução está <span class="ff8">saturada </span>e apresenta um corpo de fundo. </div><div class="t m0 x9 h8 y34 ff8 fs3 fc0 sc0 ls0 ws4">-Saturada<span class="ff7 ws0"> </span></div><div class="t m0 x9 ha y35 ff7 fs3 fc0 sc0 ls0 ws0">Solução que contém <span class="blank _5"> </span>uma quantidade máxima <span class="blank _5"> </span>de soluto di<span class="blank _5"> </span>ssolvido no <span class="blank _5"> </span>solv<span class="blank _4"></span>ente <span class="blank _5"> </span>numa<span class="blank _4"></span> </div><div class="t m0 x9 ha y36 ff7 fs3 fc0 sc0 ls0 ws0">determinada temperatura e pressão. </div><div class="t m0 x9 h8 y37 ff7 fs3 fc0 sc0 ls0 ws0">Esta quantidade máxima de soluto dissolvido é expresso através do <span class="blank _5"> </span><span class="ff8">coeficiente de </span></div><div class="t m0 x9 h8 y38 ff8 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y39 ff8 fs3 fc0 sc0 ls0 ws0">-solubilidade (CS)<span class="ff7">. </span></div><div class="t m0 x9 ha y3a ff7 fs3 fc0 sc0 ls0 ws0">Por <span class="blank _5"> </span>exemp<span class="blank _5"> </span>lo, <span class="blank _5"> </span>a <span class="blank _5"> </span>20 <span class="blank _9"> </span>°<span class="blank _1e"></span>C, <span class="blank _5"> </span>a <span class="blank _9"> </span>solubilidade <span class="blank _5"> </span>do <span class="blank _5"> </span>K<span class="blank _5"> </span>NO<span class="blank _12"> </span><span class="fs7 ws9 v2">3</span> <span class="blank _9"> </span>é <span class="blank _9"> </span>31,6 <span class="blank _5"> </span>g <span class="blank _9"> </span>em <span class="blank _5"> </span>cada <span class="blank _5"> </span>100 <span class="blank _9"> </span>g <span class="blank _5"> </span>de<span class="blank _5"> </span> <span class="blank _5"> </span>H<span class="blank _5"> </span><span class="fs7 ws9 v2">2</span>O. <span class="blank _5"> </span>Isto </div><div class="t m0 x9 ha y3b ff7 fs3 fc0 sc0 ls0 ws0">significa que podemos dissolver até 31,6 g de KNO<span class="fs7 lse v2">3 </span>a 20 °<span class="blank _1e"></span>C em 100 g de H<span class="blank _12"> </span><span class="fs7 ws9 v2">2</span><span class="ls4 ws3">O.</span> </div><div class="t m0 x9 ha y3c ff7 fs3 fc0 sc0 ls0 ws0">A <span class="blank _1d"> </span>variação <span class="blank _1f"> </span>de <span class="blank _1f"> </span>temperatura <span class="blank _1d"> </span>pode <span class="blank _1d"> </span>alterar <span class="blank _1f"> </span>o <span class="blank _1d"> </span>coeficiente <span class="blank _1f"> </span>de <span class="blank _1d"> </span>solubilidade <span class="blank _1f"> </span>de <span class="blank _1d"> </span>uma </div><div class="t m0 x9 ha y3d ff7 fs3 fc0 sc0 ls0 ws0">substância. <span class="blank _1c"> </span>Geralmente, <span class="blank _1c"> </span>o <span class="blank _1c"> </span>aumento <span class="blank _1d"> </span>da <span class="blank _1c"> </span>temperatura <span class="blank _1c"> </span>aumenta a <span class="blank _1d"> </span>solubilidade <span class="blank _1c"> </span>da </div><div class="t m0 x9 ha y3e ff7 fs3 fc0 sc0 ls0 ws0">maioria das substâncias. </div><div class="t m0 x9 ha y3f ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y40 ff8 fs3 fc0 sc0 ls0 ws0">-insaturada ou não saturada<span class="ff7"> </span></div><div class="t m0 x9 ha y41 ff7 fs3 fc0 sc0 ls0 ws0">Ocorre <span class="blank _1c"> </span>quando <span class="blank _1d"> </span>a <span class="blank _1c"> </span>quantidade <span class="blank _1c"> </span>de <span class="blank _1d"> </span>soluto <span class="blank _1c"> </span>adicionada <span class="blank _1c"> </span>é<span class="blank _5"> </span> <span class="blank _1c"> </span>inferior <span class="blank _1c"> </span>ao <span class="blank _1c"> </span>co<span class="blank _5"> </span>eficiente <span class="blank _1c"> </span>de </div><div class="t m0 x9 ha y42 ff7 fs3 fc0 sc0 ls0 ws0">solubilidade. P<span class="blank _5"> </span>or exemplo, o <span class="blank _5"> </span>coeficiente de <span class="blank _5"> </span>solubilidade do <span class="blank _5"> </span>KNO<span class="blank _5"> </span><span class="fs7 ws9 v2">3</span> <span class="blank _5"> </span>em água a<span class="blank _5"> </span> 20 °<span class="blank _1e"></span>C é </div><div class="t m0 x9 ha y43 ff7 fs3 fc0 sc0 ls0 ws0">31,6 <span class="blank _a"></span>g/100 <span class="blank _4"></span>g <span class="blank _a"></span>H<span class="fs7 ws9 v2">2</span>O, <span class="blank _4"></span>portanto, <span class="blank _a"></span>a <span class="blank _a"></span>a<span class="blank _5"> </span>dição <span class="blank _a"></span>de <span class="blank _a"></span>qualquer <span class="blank _a"></span>quantidade <span class="blank _4"></span>de <span class="blank _a"></span>KNO<span class="blank _5"> </span><span class="fs7 ws9 v2">3</span> <span class="blank _4"></span>abaixo <span class="blank _a"></span>de <span class="blank _a"></span>31,6 </div><div class="t m0 x9 ha y44 ff7 fs3 fc0 sc0 ls0 ws0">g em 100 g de água, a 20 °<span class="blank _1e"></span>C, produz solução insaturada. </div><div class="t m0 x9 ha y45 ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y46 ff8 fs3 fc0 sc0 ls0 ws4">-Supersaturada<span class="ff7 ws0"> </span></div><div class="t m0 x9 h8 y47 ff7 fs3 fc0 sc0 ls0 ws0">Solução que contém <span class="blank _11"> </span>uma quantidade <span class="blank _11"> </span>de <span class="ff8">soluto dissolvido</span> superior à <span class="blank _11"> </span>solução </div><div class="t m0 x9 h8 y48 ff7 fs3 fc0 sc0 ls0 ws0">saturada <span class="ff8 fc7">por meio de uma variação de temperatura</span>. </div><div class="t m0 x9 ha y49 ff7 fs3 fc0 sc0 ls0 ws0">Por exemplo: <span class="blank _a"></span>a<span class="blank _5"> </span> <span class="blank _4"></span>40 °<span class="blank _1e"></span>C, <span class="blank _a"></span>a solubilidade do KNO<span class="blank _12"> </span><span class="fs7 ws9 v2">3</span> é <span class="blank _a"></span>61<span class="blank _5"> </span>,47 g/1<span class="blank _4"></span>00 g H<span class="fs7 ws9 v2">2</span>O <span class="blank _a"></span>e, a 20 °<span class="blank _20"></span>C, é <span class="blank _a"></span>31,6 </div><div class="t m0 x9 ha y4a ff7 fs3 fc0 sc0 ls0 ws0">g/100 g H<span class="fs7 ws9 v2">2</span><span class="ls4 ws3">O.</span> </div><div class="t m0 xf hf y2e ff2 fs6 fc1 sc0 ls0">33320407821</div><div class="t m0 x3 h5 y4 ff2 fs2 fc2 sc0 ls0 ws0">33320407821 - gabriele ostapiuk miudo dias</div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf7" class="pf w0 h0" data-page-no="7"><div class="pc pc7 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x4 y0 w2 h6" alt src="https://files.passeidireto.com/a75d4f0c-e800-4d0a-aa6c-b97dbaf6da5a/bg7.png" alt="Pré-visualização de imagem de arquivo"><div class="c x5 y5 w3 h7"><div class="t m0 x6 h8 y6 ff3 fs3 fc3 sc0 ls0 ws0">QUÍMICA </div><div class="t m0 x7 h8 y7 ff3 fs3 fc3 sc0 ls0 ws0">Teoria e exercícios </div><div class="t m0 x8 h8 y8 ff3 fs3 fc3 sc0 ls0 ws0">Prof. WAGNER LUIZ<span class="fs4"> </span></div></div><div class="t m0 x9 h9 y9 ff4 fs5 fc4 sc0 ls0 ws0"> <span class="blank _0"> </span> <span class="blank _1"> </span> <span class="blank _2"> </span> <span class="blank _3"> </span> <span class="blank _3"> </span> <span class="blank _3"> </span> </div><div class="t m0 x9 h9 ya ff5 fs4 fc5 sc0 ls0 ws0">Prof. Wagner Luiz <span class="ff4 fs5 fc6">ww<span class="blank _4"></span>w.estrategiaconc<span class="blank _4"></span>ursos.com.br <span class="ff6 fs4 fc5">Página <span class="ff4 ls1">6</span><span class="ls2"> </span><span class="v0">d<span class="blank _a"></span>e <span class="blank _5"> </span><span class="ff4 ls7 ws1">27</span><span class="ff5"> </span></span></span></span></div><div class="t m0 x9 h8 yb ff7 fs3 fc0 sc0 ls0 ws0">As <span class="blank _c"> </span>soluções <span class="blank _c"> </span>supersaturadas <span class="blank _c"> </span><span class="ff8">são <span class="blank _c"> </span>instáveis</span>, <span class="blank _c"> </span>ou <span class="blank _c"> </span>seja, <span class="blank _c"> </span>qualquer <span class="blank _c"> </span>perturbação <span class="blank _c"> </span>no <span class="blank _c"> </span>meio </div><div class="t m0 x9 ha yc ff7 fs3 fc0 sc0 ls0 ws0">irá fazer com que o KNO<span class="fs7 ws9 v2">3</span> precipite, tornando o sistema heterogêneo. </div><div class="t m0 x16 ha y72 ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y73 ff8 fs3 fc7 sc0 ls0 ws0">A<span class="blank _4"></span> solução supersat<span class="blank _a"></span>ura<span class="blank _5"> </span>da é<span class="blank _4"></span> instáv<span class="blank _a"></span>el e <span class="blank _11"> </span>só <span class="blank _11"> </span>é produ<span class="blank _4"></span>zida se t<span class="blank _a"></span>iver variação na<span class="blank _a"></span> </div><div class="t m0 x9 h8 y74 ff8 fs3 fc7 sc0 ls0 ws0">temperatura <span class="blank _9"> </span>(aumenta <span class="blank _5"> </span>muito <span class="blank _5"> </span>a<span class="blank _5"> </span> <span class="blank _5"> </span>temperatura <span class="blank _5"> </span>para <span class="blank _9"> </span>dissolver <span class="blank _5"> </span>a <span class="blank _5"> </span>massa <span class="blank _9"> </span>que <span class="blank _5"> </span>não <span class="blank _9"> </span>se </div><div class="t m0 x9 h8 y53 ff8 fs3 fc7 sc0 ls0 ws0">dissolveria <span class="blank _13"> </span>na <span class="blank _15"> </span>temperatura <span class="blank _13"> </span>mais <span class="blank _15"> </span>baixa <span class="blank _15"> </span>e <span class="blank _13"> </span>depois <span class="blank _13"> </span>deix<span class="blank _4"></span>a <span class="blank _15"> </span>e<span class="blank _5"> </span>m <span class="blank _15"> </span>repouso <span class="blank _13"> </span>absoluto. </div><div class="t m0 x9 h8 y75 ff8 fs3 fc7 sc0 ls0 ws0">Nem <span class="blank _5"> </span>pode <span class="blank _5"> </span>bater <span class="blank _5"> </span>no <span class="blank _5"> </span>frasco <span class="blank _5"> </span>que <span class="blank _5"> </span>o <span class="blank _5"> </span>excesso <span class="blank _5"> </span>da <span class="blank _5"> </span>massa <span class="blank _5"> </span>dissolvida pre<span class="blank _5"> </span>cipita <span class="blank _5"> </span>para <span class="blank _5"> </span>o </div><div class="t m0 x9 h8 y76 ff8 fs3 fc7 sc0 ls0 ws0">fundo do frasco, claro). </div><div class="t m0 x9 h8 y77 ff8 fs3 fc7 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y78 ff8 fs3 fc7 sc0 ls0 ws0">O processo de dissolução: interações soluto/solv<span class="blank _a"></span>e<span class="blank _5"> </span>nte; efeitos térmicos.<span class="blank _5"> </span> </div><div class="t m0 x9 h8 y79 ff8 fs3 fc0 sc0 ls0 ws0">Solubilidade de Gases em Líquidos </div><div class="t m0 x9 ha y7a ff7 fs3 fc0 sc0 ls0 ws0">Normalmente, <span class="blank _1c"> </span>o<span class="blank _5"> </span>s <span class="blank _1c"> </span>gases <span class="blank _1c"> </span>são <span class="blank _1d"> </span>pouco <span class="blank _1c"> </span>so<span class="blank _5"> </span>lúveis <span class="blank _1c"> </span>nos <span class="blank _1c"> </span>líquidos. <span class="blank _1d"> </span>Dois <span class="blank _1c"> </span>f<span class="blank _5"> </span>atores <span class="blank _1c"> </span>alteram </div><div class="t m0 x9 ha y7b ff7 fs3 fc0 sc0 ls0 ws0">consideravelmente a solubilidade: </div><div class="t m0 x9 h8 y7c ff8 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y7d ff8 fs3 fc0 sc0 ls0 ws4">Temperatura<span class="ff7 ws0"> </span></div><div class="t m0 x9 ha y7e ff7 fs3 fc0 sc0 ls0 ws0">Todo aumento de temperatur<span class="blank _4"></span>a diminui a solu<span class="blank _4"></span>bilidade do gás no lí<span class="blank _a"></span>quido. Por exemplo, </div><div class="t m0 x9 ha y7f ff7 fs3 fc0 sc0 ls0 ws0">para e<span class="blank _5"> </span>liminar gases dissolvidos na <span class="blank _5"> </span>água, é feito <span class="blank _5"> </span>o aquecimento por <span class="blank _5"> </span>um certo período </div><div class="t m0 x9 ha y80 ff7 fs3 fc0 sc0 ls0 ws0">de <span class="blank _a"></span>tempo. <span class="blank _a"></span>Sendo <span class="blank _a"></span>assim, <span class="blank _a"></span>a <span class="blank _a"></span>diminuição <span class="blank _a"></span>da <span class="blank _a"></span>temperatura <span class="blank _a"></span>facilita <span class="blank _a"></span>a <span class="blank _a"></span>solubilidade <span class="blank _a"></span>de <span class="blank _a"></span>um <span class="blank _a"></span>gás </div><div class="t m0 x9 ha y81 ff7 fs3 fc0 sc0 ls0 ws0">num líqui<span class="ls5 ws2">do.</span> </div><div class="t m0 x9 ha y82 ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y83 ff8 fs3 fc0 sc0 ls0 ws0">Pressão </div><div class="t m0 x9 ha y84 ff7 fs3 fc0 sc0 ls0 ws0">Quando <span class="blank _1f"> </span>não <span class="blank _1d"> </span>ocorre <span class="blank _1d"> </span>rea<span class="blank _5"> </span>ção <span class="blank _1d"> </span>do <span class="blank _1f"> </span>gás <span class="blank _1d"> </span>com<span class="blank _5"> </span> <span class="blank _1d"> </span>o <span class="blank _1f"> </span>líq<span class="blank _a"></span>u<span class="blank _5"> </span>ido, <span class="blank _1d"> </span>a<span class="blank _5"> </span> <span class="blank _1d"> </span>inf<span class="blank _5"> </span>luência <span class="blank _1d"> </span>da <span class="blank _1f"> </span>pressão <span class="blank _1d"> </span>é </div><div class="t m0 x9 ha y85 ff7 fs3 fc0 sc0 ls0 ws0">estabelecida pela lei de Henry: </div><div class="t m0 x9 ha y86 ff7 fs3 fc0 sc0 ls0 ws0">"Em <span class="blank _13"> </span>temperatura <span class="blank _13"> </span>constante, <span class="blank _13"> </span>a <span class="blank _13"> </span>solubilidade <span class="blank _13"> </span>de <span class="blank _13"> </span>um <span class="blank _13"> </span>gás <span class="blank _13"> </span>num <span class="blank _13"> </span>líquido <span class="blank _13"> </span>é <span class="blank _13"> </span>diretamente </div><div class="t m0 x9 ha y87 ff7 fs3 fc0 sc0 ls0 ws0">proporcional à pressão". </div><div class="t m0 xf hf y2e ff2 fs6 fc1 sc0 ls0">33320407821</div><div class="t m0 x3 h5 y4 ff2 fs2 fc2 sc0 ls0 ws0">33320407821 - gabriele ostapiuk miudo dias</div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf8" class="pf w0 h0" data-page-no="8"><div class="pc pc8 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x4 y0 w2 h6" alt src="https://files.passeidireto.com/a75d4f0c-e800-4d0a-aa6c-b97dbaf6da5a/bg8.png" alt="Pré-visualização de imagem de arquivo"><div class="c x5 y5 w3 h7"><div class="t m0 x6 h8 y6 ff3 fs3 fc3 sc0 ls0 ws0">QUÍMICA </div><div class="t m0 x7 h8 y7 ff3 fs3 fc3 sc0 ls0 ws0">Teoria e exercícios </div><div class="t m0 x8 h8 y8 ff3 fs3 fc3 sc0 ls0 ws0">Prof. WAGNER LUIZ<span class="fs4"> </span></div></div><div class="t m0 x9 h9 y9 ff4 fs5 fc4 sc0 ls0 ws0"> <span class="blank _0"> </span> <span class="blank _1"> </span> <span class="blank _2"> </span> <span class="blank _3"> </span> <span class="blank _3"> </span> <span class="blank _3"> </span> </div><div class="t m0 x9 h9 ya ff5 fs4 fc5 sc0 ls0 ws0">Prof. Wagner Luiz <span class="ff4 fs5 fc6">ww<span class="blank _4"></span>w.estrategiaconc<span class="blank _4"></span>ursos.com.br <span class="ff6 fs4 fc5">Página <span class="ff4 ls1">7</span><span class="ls2"> </span><span class="v0">d<span class="blank _a"></span>e <span class="blank _5"> </span><span class="ff4 ls7 ws1">27</span><span class="ff5"> </span></span></span></span></div><div class="t m0 x9 ha yb ff7 fs3 fc0 sc0 ls0 ws0">Por exemplo,<span class="blank _5"> </span> podemos citar os <span class="blank _5"> </span>ref<span class="blank _5"> </span>rigerantes, que apresen<span class="blank _5"> </span>tam grande quantidade <span class="blank _5"> </span>de </div><div class="t m0 x9 ha yc ff7 fs3 fc0 sc0 lsc ws8">CO<span class="fs7 ls0 ws9 v2">2</span><span class="ls0 ws0"> <span class="blank _12"> </span>dissolvido <span class="blank _14"> </span>sob <span class="blank _14"> </span>pressão. <span class="blank _12"> </span>Quando <span class="blank _12"> </span>o <span class="blank _14"> </span>refrigerante <span class="blank _12"> </span>é <span class="blank _14"> </span>aberto, <span class="blank _12"> </span>a <span class="blank _12"> </span>pressã<span class="blank _5"> </span>o <span class="blank _12"> </span>diminui, </span></div><div class="t m0 x9 ha yd ff7 fs3 fc0 sc0 ls0 ws0">fazendo com que o excesso de CO<span class="fs7 ws9 v2">2</span> dissolvido no refrigerante escape. </div><div class="t m0 x9 ha ye ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 ha y2f ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x15 ha y88 ff7 fs3 fc7 sc0 ls0 ws0">Aqui <span class="blank _15"> </span>você <span class="blank _15"> </span>deve <span class="blank _15"> </span>dedicar <span class="blank _16"> </span>uma <span class="blank _13"> </span>atenção <span class="blank _16"> </span>maior. <span class="blank _15"> </span>Isto <span class="blank _15"> </span>é </div><div class="t m0 x9 ha y89 ff7 fs3 fc7 sc0 ls0 ws0">relevante conhecer e saber fazer os cálculos. </div><div class="t m0 x9 ha y8a ff7 fs3 fc7 sc0 ls0 ws0"> </div><div class="t m0 x9 ha y8b ff7 fs3 fc7 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 y8c ff8 fs3 fc0 sc0 ls0 ws0">Curvas de Solubilidade </div><div class="t m0 x9 ha y8d ff7 fs3 fc0 sc0 ls0 ws0">São <span class="blank _1f"> </span>diagramas <span class="blank _1f"> </span>que <span class="blank _1f"> </span>mostram <span class="blank _1f"> </span>a <span class="blank _1f"> </span>variação <span class="blank _1f"> </span>dos <span class="blank _1f"> </span>coeficientes <span class="blank _1f"> </span>de <span class="blank _1f"> </span>solubilidade <span class="blank _1f"> </span>das </div><div class="t m0 x9 ha y8e ff7 fs3 fc0 sc0 ls0 ws0">substâncias em função da temperatura. </div><div class="t m0 x9 ha y8f ff7 fs3 fc0 sc0 ls0 ws0">Analisando <span class="blank _5"> </span>o <span class="blank _5"> </span>gráfico ao <span class="blank _5"> </span>lado, <span class="blank _5"> </span>observamos <span class="blank _5"> </span>que regiões <span class="blank _5"> </span>aba<span class="blank _5"> </span>ixo da <span class="blank _5"> </span>curva represen<span class="blank _5"> </span>tam </div><div class="t m0 x9 h8 y90 ff7 fs3 fc0 sc0 ls0 ws0">solução <span class="blank _5"> </span>não<span class="blank _5"> </span>-saturada, <span class="blank _5"> </span>sobre <span class="blank _5"> </span>a <span class="blank _9"> </span>curva, <span class="blank _5"> </span>região <span class="blank _9"> </span>saturada <span class="blank _5"> </span>e <span class="blank _9"> </span>acima <span class="blank _5"> </span>da <span class="blank _9"> </span>curva, <span class="blank _9"> </span><span class="ff8">des<span class="blank _5"> </span>de <span class="blank _5"> </span>que </span></div><div class="t m0 x9 h8 y91 ff8 fs3 fc0 sc0 ls0 ws0">as quantidades permaneçam em solução<span class="ff7">, região supersaturada. </span></div><div class="t m0 x9 ha y92 ff7 fs3 fc0 sc0 ls0 ws0">O <span class="blank _14"> </span>gráf<span class="blank _5"> </span>ico <span class="blank _14"> </span>abaixo <span class="blank _14"> </span>representa <span class="blank _11"> </span>a <span class="blank _14"> </span>solu<span class="blank _5"> </span>bilidade <span class="blank _14"> </span>de <span class="blank _11"> </span>várias <span class="blank _12"> </span>su<span class="blank _5"> </span>bstâncias <span class="blank _14"> </span>em <span class="blank _14"> </span>fu<span class="blank _5"> </span>nção <span class="blank _12"> </span>da </div><div class="t m0 x9 ha y93 ff7 fs3 fc0 sc0 ls0 ws0">temperatura. </div><div class="t m0 x17 ha y94 ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 ha y95 ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 ha y96 ff7 fs3 fc0 sc0 ls0 ws0">Observamos <span class="blank _9"> </span>que <span class="blank _5"> </span>a <span class="blank _5"> </span>maioria <span class="blank _5"> </span>da<span class="blank _5"> </span>s <span class="blank _5"> </span>substâncias <span class="blank _5"> </span>aumenta <span class="blank _5"> </span>a <span class="blank _9"> </span>solubilidade <span class="blank _5"> </span>com <span class="blank _5"> </span>o<span class="blank _5"> </span> <span class="blank _5"> </span>aumento </div><div class="t m0 x9 h8 y97 ff7 fs3 fc0 sc0 ls0 ws0">da <span class="blank _7"> </span>temperatura. <span class="blank _6"> </span>Podemos <span class="blank _7"> </span>dizer, <span class="blank _6"> </span>então, <span class="blank _7"> </span>que <span class="blank _7"> </span>se<span class="blank _5"> </span> <span class="blank _7"> </span>trata <span class="blank _7"> </span>de <span class="blank _6"> </span>uma <span class="blank _f"> </span><span class="ff8">dissolução </span></div><div class="t m0 x9 h8 y98 ff8 fs3 fc0 sc0 ls0 ws4">endotérmica<span class="ff7 ws0">. <span class="blank _b"> </span>Para <span class="blank _b"> </span>uma <span class="blank _16"> </span>substância <span class="blank _b"> </span>como <span class="blank _b"> </span>Ce<span class="blank _5"> </span><span class="fs7 ws9 v2">2</span><span class="ws4">(SO<span class="fs7 ws9 v2">4</span>)<span class="fs7 ws9 v2">3</span></span>, <span class="blank _c"> </span>a<span class="blank _5"> </span> <span class="blank _b"> </span>solubilidade <span class="blank _c"> </span>d<span class="blank _5"> </span>iminui <span class="blank _b"> </span>com <span class="blank _b"> </span>o </span></div><div class="t m0 x9 h8 y99 ff7 fs3 fc0 sc0 ls0 ws0">aumento da temperatura; portanto, trata-se de uma <span class="ff8">dissolução exotérmica</span>. </div><div class="t m0 xf hf y2e ff2 fs6 fc1 sc0 ls0">33320407821</div><div class="t m0 x3 h5 y4 ff2 fs2 fc2 sc0 ls0 ws0">33320407821 - gabriele ostapiuk miudo dias</div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf9" class="pf w0 h0" data-page-no="9"><div class="pc pc9 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x4 y0 w2 h6" alt src="https://files.passeidireto.com/a75d4f0c-e800-4d0a-aa6c-b97dbaf6da5a/bg9.png" alt="Pré-visualização de imagem de arquivo"><div class="c x5 y5 w3 h7"><div class="t m0 x6 h8 y6 ff3 fs3 fc3 sc0 ls0 ws0">QUÍMICA </div><div class="t m0 x7 h8 y7 ff3 fs3 fc3 sc0 ls0 ws0">Teoria e exercícios </div><div class="t m0 x8 h8 y8 ff3 fs3 fc3 sc0 ls0 ws0">Prof. WAGNER LUIZ<span class="fs4"> </span></div></div><div class="t m0 x9 h9 y9 ff4 fs5 fc4 sc0 ls0 ws0"> <span class="blank _0"> </span> <span class="blank _1"> </span> <span class="blank _2"> </span> <span class="blank _3"> </span> <span class="blank _3"> </span> <span class="blank _3"> </span> </div><div class="t m0 x9 h9 ya ff5 fs4 fc5 sc0 ls0 ws0">Prof. Wagner Luiz <span class="ff4 fs5 fc6">ww<span class="blank _4"></span>w.estrategiaconc<span class="blank _4"></span>ursos.com.br <span class="ff6 fs4 fc5">Página <span class="ff4 ls1">8</span><span class="ls2"> </span><span class="v0">d<span class="blank _a"></span>e <span class="blank _5"> </span><span class="ff4 ls7 ws1">27</span><span class="ff5"> </span></span></span></span></div><div class="t m0 x9 ha yb ff7 fs3 fc0 sc0 ls0 ws0">O <span class="blank _1c"> </span>gráfico <span class="blank _1c"> </span>do <span class="blank _1d"> </span>coeficiente <span class="blank _1c"> </span>de <span class="blank _1c"> </span>solubilidade <span class="blank _1c"> </span>em <span class="blank _1c"> </span>fun<span class="blank _5"> </span>ção da <span class="blank _1d"> </span>temperatura é <span class="blank _1d"> </span>utilizado </div><div class="t m0 x9 ha yc ff7 fs3 fc0 sc0 ls0 ws0">principalmente para informar a solubilidade de uma ou várias substâncias e<span class="blank _9"> </span>m função </div><div class="t m0 x9 ha yd ff7 fs3 fc0 sc0 ls0 ws0">da temperatura. Por exemplo: </div><div class="t m0 x18 ha y9a ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 ha y9b ff7 fs3 fc0 sc0 ls0 ws0">Interpretando o gráfico: </div><div class="t m0 x9 ha y9c ffa fs3 fc0 sc0 ls5">–<span class="ff7 ls0 ws0"> <span class="blank _5"> </span>na temperatura d<span class="blank _5"> </span>e 50°<span class="blank _1e"></span>C, <span class="blank _5"> </span>a quantidade m<span class="blank _5"> </span>áxima de <span class="blank _5"> </span>KNO<span class="blank _14"> </span><span class="fs7 lse v2">3 <span class="blank _5"> </span></span>que se d<span class="blank _5"> </span>issolve em <span class="blank _5"> </span>100 g </span></div><div class="t m0 x9 ha y9d ff7 fs3 fc0 sc0 ls0 ws0">de água são 80 g. A solução em questão é saturada; </div><div class="t m0 x9 ha y9e ffa fs3 fc0 sc0 ls5">–<span class="ff7 ls0 ws0"> <span class="blank _5"> </span>para <span class="blank _5"> </span>obtermos <span class="blank _5"> </span>uma <span class="blank _5"> </span>solução <span class="blank _5"> </span>saturada <span class="blank _5"> </span>KNO<span class="fs7 ws9 v2">3</span> <span class="blank _9"> </span>a <span class="blank _5"> </span>40°<span class="blank _1e"></span>C, ba<span class="blank _5"> </span>sta <span class="blank _5"> </span>dissolver 6<span class="blank _5"> </span>0 <span class="blank _5"> </span>g d<span class="blank _5"> </span>e <span class="blank _5"> </span>KNO<span class="blank _12"> </span><span class="fs7 ls11 v2">3 </span></span></div><div class="t m0 x9 ha y9f ff7 fs3 fc0 sc0 ls0 ws0">em 100 g de água; </div><div class="t m0 x9 ha ya0 ffa fs3 fc0 sc0 ls5">–<span class="ff7 ls0 ws0"> <span class="blank _16"> </span>se <span class="blank _16"> </span>resfriarmos <span class="blank _16"> </span>uma <span class="blank _b"> </span>solução <span class="blank _16"> </span>saturada <span class="blank _16"> </span>de <span class="blank _16"> </span>50°<span class="blank _1e"></span>C <span class="blank _16"> </span>para <span class="blank _16"> </span>40°<span class="blank _1e"></span>C, <span class="blank _16"> </span>teremos <span class="blank _16"> </span>um <span class="blank _16"> </span>corpo<span class="blank _21"> </span> <span class="blank _b"> </span>de </span></div><div class="t m0 x9 ha ya1 ff7 fs3 fc0 sc0 ls0 ws0">fundo igual a 20 g de KNO<span class="fs7 ws9 v2">3</span>; </div><div class="t m0 x9 ha ya2 ffa fs3 fc0 sc0 ls5">–<span class="ff7 ls0 ws0"> 200 g de água a 40°<span class="blank _20"></span>C dissolvem no máximo 120 g de KNO<span class="blank _14"> </span><span class="fs7 ws9 v2">3</span>. </span></div><div class="t m0 x9 ha ya3 ff7 fs3 fc7 sc0 ls0 ws0"> </div><div class="t m0 x15 ha ya4 ff7 fs3 fc7 sc0 ls0 ws0">É interessante saber </div><div class="t m0 x9 h8 ya5 ff8 fs3 fc7 sc0 ls0 ws0">Eletrólitos e soluções eletrolíticas. </div><div class="t m0 x9 h8 ya6 ff8 fs3 fc0 sc0 ls0 ws0">Soluções eletrolíticas<span class="ff7"> </span></div><div class="t m0 x9 ha ya7 ff7 fs3 fc0 sc0 ls0 ws0">São denominadas solu<span class="blank _4"></span>ções eletrolíticas, as q<span class="blank _a"></span>u<span class="blank _5"> </span>e conduzem <span class="blank _a"></span>e<span class="blank _5"> </span>nergia <span class="blank _4"></span>elétrica, soluções </div><div class="t m0 x9 ha ya8 ff7 fs3 fc0 sc0 ls0 ws0">aquosas <span class="blank _c"> </span>de <span class="blank _c"> </span>NaCl, <span class="blank _c"> </span>KI, <span class="blank _c"> </span>NaOH, <span class="blank _c"> </span>HCl <span class="blank _c"> </span>entre <span class="blank _c"> </span>outras. <span class="blank _c"> </span>Os <span class="blank _c"> </span>compostos <span class="blank _c"> </span>destas <span class="blank _c"> </span>soluções <span class="blank _c"> </span>são<span class="blank _4"></span> </div><div class="t m0 x9 ha ya9 ff7 fs3 fc0 sc0 ls0 ws0">denominados eletrólitos. </div><div class="t m0 x9 ha yaa ff7 fs3 fc0 sc0 ls0 ws0">Essas <span class="blank _b"> </span>soluções <span class="blank _16"> </span>(NaCl, <span class="blank _b"> </span>KI,<span class="blank _5"> </span> <span class="blank _b"> </span>NaOH, <span class="blank _b"> </span>HCl) <span class="blank _b"> </span>são<span class="blank _5"> </span> <span class="blank _b"> </span>condutores <span class="blank _b"> </span>de <span class="blank _16"> </span>energia <span class="blank _b"> </span>pelo <span class="blank _b"> </span>fa<span class="blank _5"> </span>to <span class="blank _b"> </span>de <span class="blank _b"> </span>se </div><div class="t m0 x9 ha yab ff7 fs3 fc0 sc0 ls0 ws0">transformarem ao serem colocadas na água. </div><div class="t m0 x9 ha yac ff7 fs3 fc0 sc0 ls0 ws0">A Teoria <span class="blank _5"> </span>da Dissociação Elet<span class="blank _5"> </span>rolítica do químico sue<span class="blank _5"> </span>co Arrhenius, diz respeito <span class="blank _5"> </span>ao fato </div><div class="t m0 x9 ha yad ff7 fs3 fc0 sc0 ls0 ws0">das <span class="blank _16"> </span>transformações <span class="blank _b"> </span>poderem <span class="blank _16"> </span>voltar <span class="blank _b"> </span>ao <span class="blank _16"> </span>estado <span class="blank _16"> </span>anterior <span class="blank _b"> </span>em <span class="blank _16"> </span>sentido <span class="blank _b"> </span>o<span class="blank _5"> </span>posto,<span class="blank _5"> </span> <span class="blank _16"> </span>ou <span class="blank _b"> </span>seja </div><div class="t m0 xf hf y2e ff2 fs6 fc1 sc0 ls0">33320407821</div><div class="t m0 x3 h5 y4 ff2 fs2 fc2 sc0 ls0 ws0">33320407821 - gabriele ostapiuk miudo dias</div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pfa" class="pf w0 h0" data-page-no="a"><div class="pc pca w0 h0"><img fetchpriority="low" loading="lazy" class="bi x4 y0 w2 h6" alt src="https://files.passeidireto.com/a75d4f0c-e800-4d0a-aa6c-b97dbaf6da5a/bga.png" alt="Pré-visualização de imagem de arquivo"><div class="c x5 y5 w3 h7"><div class="t m0 x6 h8 y6 ff3 fs3 fc3 sc0 ls0 ws0">QUÍMICA </div><div class="t m0 x7 h8 y7 ff3 fs3 fc3 sc0 ls0 ws0">Teoria e exercícios </div><div class="t m0 x8 h8 y8 ff3 fs3 fc3 sc0 ls0 ws0">Prof. WAGNER LUIZ<span class="fs4"> </span></div></div><div class="t m0 x9 h9 y9 ff4 fs5 fc4 sc0 ls0 ws0"> <span class="blank _0"> </span> <span class="blank _1"> </span> <span class="blank _2"> </span> <span class="blank _3"> </span> <span class="blank _3"> </span> <span class="blank _3"> </span> </div><div class="t m0 x9 h9 ya ff5 fs4 fc5 sc0 ls0 ws0">Prof. Wagner Luiz <span class="ff4 fs5 fc6">ww<span class="blank _4"></span>w.estrategiaconc<span class="blank _4"></span>ursos.com.br <span class="ff6 fs4 fc5">Página <span class="ff4 ls1">9</span><span class="ls2"> </span><span class="v0">d<span class="blank _a"></span>e <span class="blank _5"> </span><span class="ff4 ls7 ws1">27</span><span class="ff5"> </span></span></span></span></div><div class="t m0 x9 ha yb ff7 fs3 fc0 sc0 ls0 ws0">elas são consideradas <span class="blank _4"></span>reversíveis, pois elas o<span class="blank _a"></span>co<span class="blank _5"> </span>rrem nos <span class="blank _4"></span>dois sentidos, sendo assi<span class="blank _a"></span>m </div><div class="t m0 x9 ha yc ff7 fs3 fc0 sc0 ls0 ws0">equacionadas com dupla seta, sendo uma contraria da outra. </div><div class="t m0 x9 ha yd ff7 fs3 fc0 sc0 ls0 ws0">Observe: </div><div class="t m0 x19 ha yae ff7 fs3 fc7 sc0 ls0 ws0"> </div><div class="t m0 x9 ha yaf ff7 fs3 fc7 sc0 ls0 ws0"> </div><div class="t m0 x9 ha yb0 ff7 fs3 fc0 sc0 ls0 ws0">Preste atenção no resumo abaixo: </div><div class="t m0 x9 h8 yb1 ff8 fs3 fc0 sc0 ls0 ws0">Solução ou substância fundida: </div><div class="t m0 x9 h8 yb2 ff8 fs3 fc9 sc0 ls0 ws4">Con<span class="ff7 fc0 ws0">tendo íons </span><span class="ff7">con<span class="fc0 ws0">duz eletricidade. </span></span></div><div class="t m0 x9 h8 yb3 ff8 fs3 fc9 sc0 ls0 ws0">Não con<span class="fc0">tendo íons </span>não con<span class="fc0">duz eletricidade. </span></div><div class="t m0 x9 ha yb4 ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 ha yb5 ff7 fs3 fc0 sc0 ls0 ws0">Substância iônica no estado sólido não conduz<span class="blank _4"></span> eletricidade.<span class="blank _5"> </span> </div><div class="t m0 x9 ha yb6 ff7 fs3 fc0 sc0 ls0 ws0">Substância iônica no estado fundido ou dissolv<span class="blank _a"></span>ida<span class="blank _5"> </span> conduz eletricidade.<span class="blank _5"> </span> </div><div class="t m0 x9 ha yb7 ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 ha yb8 ff7 fs3 fc0 sc0 ls0 ws0">Substância m<span class="blank _4"></span>olecular <span class="blank _a"></span>no<span class="blank _5"> </span> <span class="blank _a"></span>estado fundido <span class="blank _a"></span>ou no <span class="blank _a"></span>e<span class="blank _5"> </span>stado <span class="blank _a"></span>sólido não <span class="blank _a"></span>con<span class="blank _5"> </span>duz eletricidade. </div><div class="t m0 x9 ha yb9 ff7 fs3 fc0 sc0 ls0 ws0">Substância molecular em<span class="blank _5"> </span> solução contendo íons <span class="blank _5"> </span>(ácidos ionizados em água) condu<span class="blank _5"> </span>z<span class="blank _4"></span> </div><div class="t m0 x9 ha yba ff7 fs3 fc0 sc0 ls0 ws0">eletricidade, não contendo íons, não conduz<span class="blank _4"></span> eletricidade.<span class="blank _5"> </span> </div><div class="t m0 x9 h8 ybb ff8 fs3 fc7 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 ybc ff8 fs3 fc7 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 ybd ff8 fs3 fc7 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 ybe ff8 fs3 fc1 sc0 ls0 ws0">3. QUESTÕES COMENTADAS </div><div class="t m0 x9 h8 ybf ff8 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h8 yc0 ff7 fs3 fc0 sc0 ls0 ws4">01<span class="ff8 ls4">.</span><span class="ws0"> (Enem <span class="blank _14"> </span>P<span class="blank _5"> </span>PL <span class="blank _11"> </span>2015) <span class="blank _11"> </span>A obtenção <span class="blank _14"> </span>de sistemas <span class="blank _11"> </span>coloidais <span class="blank _11"> </span>estáveis <span class="blank _14"> </span>de<span class="blank _5"> </span>pende <span class="blank _11"> </span>das </span></div><div class="t m0 x9 ha yc1 ff7 fs3 fc0 sc0 ls0 ws0">interações <span class="blank _a"></span>entre <span class="blank _a"></span>as par<span class="blank _4"></span>tículas <span class="blank _a"></span>dispersas <span class="blank _4"></span>e <span class="blank _a"></span>o <span class="blank _4"></span>meio <span class="blank _a"></span>onde <span class="blank _a"></span>se<span class="blank _5"> </span> <span class="blank _a"></span>encontram. <span class="blank _a"></span>Em <span class="blank _a"></span>um siste<span class="blank _4"></span>ma </div><div class="t m0 x9 ha yc2 ff7 fs3 fc0 sc0 ls0 ws0">coloidal <span class="blank _9"> </span>aquoso, <span class="blank _c"> </span>cujas <span class="blank _9"> </span>partículas <span class="blank _9"> </span>são <span class="blank _c"> </span>hidrofílicas, <span class="blank _9"> </span>a <span class="blank _c"> </span>adição <span class="blank _9"> </span>de <span class="blank _9"> </span>um<span class="blank _5"> </span> <span class="blank _9"> </span>solvente <span class="blank _9"> </span>orgânico </div><div class="t m0 x9 ha yc3 ff7 fs3 fc0 sc0 ls0 ws0">miscível <span class="blank _18"></span>em <span class="blank _a"></span>água, <span class="blank _a"></span>como <span class="blank _a"></span>etanol, <span class="blank _a"></span>desestabiliza <span class="blank _a"></span>o <span class="blank _a"></span>coloide, <span class="blank _a"></span>podendo <span class="blank _18"></span>ocorrer <span class="blank _a"></span>a <span class="blank _a"></span>agregação </div><div class="t m0 x9 ha yc4 ff7 fs3 fc0 sc0 ls5 ws2">das<span class="ls0 ws0"> partículas preliminarmente dispersas. </span></div><div class="t m0 x9 ha yc5 ff7 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 ha yc6 ff7 fs3 fc0 sc0 ls0 ws0">A desestabilização provocada pelo etanol ocorr<span class="blank _4"></span>e porque <span class="blank _5"> </span> </div><div class="t m0 xf hf y2e ff2 fs6 fc1 sc0 ls0">33320407821</div><div class="t m0 x3 h5 y4 ff2 fs2 fc2 sc0 ls0 ws0">33320407821 - gabriele ostapiuk miudo dias</div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div>
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