<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/83e710c5-ca8f-4e41-a03a-ddf3dfa2f1d5/bg1.png"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls4 ws4"> </div><div class="t m0 x2 h2 y2 ff1 fs0 fc0 sc0 ls4 ws4">IFSP <span class="ff2 ws0">\u2013</span> Instituto Federal de Educação Ciência e Tecnologia de São </div><div class="t m0 x3 h2 y3 ff1 fs0 fc0 sc0 ls4 ws4">Paulo Campus Sertãozinho<span class="ff3 ls0"> <span class="ls4 v1">Joyce Ingrid de Lima </span></span></div><div class="t m0 x4 h3 y4 ff3 fs0 fc0 sc0 ls4 ws4">Midiã Cristina dos Santos </div><div class="t m0 x5 h3 y5 ff3 fs0 fc0 sc0 ls4 ws4"> <span class="_0 blank"> </span>Taís Caroline da Silva </div><div class="t m0 x6 h3 y6 ff3 fs0 fc0 sc0 ls4 ws4"> </div><div class="t m0 x6 h4 y7 ff3 fs1 fc0 sc0 ls1 ws4"> <span class="ff1 ls4 v2">Experimento <span class="ff2 ws1">\u2013</span> Produ<span class="_1 blank"></span>ção de u<span class="_1 blank"></span>m indicador ác<span class="_1 blank"></span>ido-<span class="ls5 ws2">base</span><span class="fs2 fc1"> </span></span></div><div class="t m0 x6 h4 y8 ff3 fs1 fc0 sc0 ls2 ws4"> <span class="ff1 ls6 ws3 v2">1.<span class="ls4 ws4"> <span class="_2 blank"> </span>Introdução </span></span></div><div class="t m0 x7 h4 y9 ff3 fs1 fc0 sc0 ls4 ws4">A propriedade mais no<span class="_1 blank"></span>táv<span class="_1 blank"></span>el dos ácidos e bases, sem dúv<span class="_1 blank"></span>ida, é a habili<span class="_1 blank"></span>dade que </div><div class="t m0 x8 h4 ya ff3 fs1 fc0 sc0 ls4 ws4">eles <span class="_3 blank"> </span>têm <span class="_3 blank"> </span>em <span class="_3 blank"> </span>mudar <span class="_3 blank"> </span>a <span class="_3 blank"> </span>cor <span class="_3 blank"> </span>de <span class="_3 blank"> </span>certos <span class="_3 blank"> </span>vegetais. <span class="_3 blank"> </span>Os <span class="_3 blank"> </span>sucos <span class="_3 blank"> </span>de <span class="_3 blank"> </span>alguns <span class="_3 blank"> </span>vegetais <span class="_3 blank"> </span>e<span class="_1 blank"></span> </div><div class="t m0 x8 h4 yb ff3 fs1 fc0 sc0 ls4 ws4">algumas <span class="_4 blank"> </span>plantas <span class="_4 blank"> </span>podem<span class="_1 blank"></span> <span class="_4 blank"> </span>funcionar <span class="_4 blank"> </span>como<span class="_1 blank"></span> <span class="_4 blank"> </span>indicadores <span class="_4 blank"> </span>de <span class="_4 blank"> </span>ácido-base <span class="_4 blank"> </span>(pH), <span class="_4 blank"> </span>ou <span class="_4 blank"> </span>seja,<span class="_1 blank"></span> </div><div class="t m0 x8 h4 yc ff3 fs1 fc0 sc0 ls4 ws4">indicam <span class="_5 blank"> </span>quanto <span class="_5 blank"> </span>ácido <span class="_5 blank"> </span>ou <span class="_5 blank"> </span>básica <span class="_6 blank"> </span>é <span class="_5 blank"> </span>uma <span class="_5 blank"> </span>substância. </div><div class="t m0 x8 h4 yd ff3 fs1 fc0 sc0 ls4 ws4">O <span class="_7 blank"> </span>repolho <span class="_7 blank"> </span>rox<span class="_1 blank"></span>o, <span class="_7 blank"> </span>encontrado <span class="_8 blank"> </span>em <span class="_8 blank"> </span>supermercados <span class="_8 blank"> </span>funciona <span class="_8 blank"> </span>como <span class="_7 blank"> </span>indicador <span class="_8 blank"> </span>de </div><div class="t m0 x8 h4 ye ff3 fs1 fc0 sc0 ls4 ws4">substâncias <span class="_3 blank"> </span>á<span class="_1 blank"></span>cidas <span class="_3 blank"> </span>e <span class="_3 blank"> </span>b<span class="_1 blank"></span>ásicas. <span class="_9 blank"> </span>Quando <span class="_9 blank"> </span>um <span class="_3 blank"> </span>pouco<span class="_1 blank"></span> <span class="_9 blank"> </span>do <span class="_3 blank"> </span>extrato <span class="_9 blank"> </span>do <span class="_3 blank"> </span>repolho <span class="_9 blank"> </span>roxo <span class="_9 blank"> </span>é </div><div class="t m0 x8 h4 yf ff3 fs1 fc0 sc0 ls4 ws4">adicionado a <span class="_4 blank"> </span>uma solução <span class="_a blank"> </span>ácida <span class="_a blank"> </span>a m<span class="_a blank"> </span>esma apresentará <span class="_a blank"> </span>coloração <span class="_a blank"> </span>v<span class="_1 blank"></span>ermelha. <span class="_a blank"> </span>Já em </div><div class="t m0 x8 h4 y10 ff3 fs1 fc0 sc0 ls4 ws4">uma solução básica,<span class="_1 blank"></span> a sol<span class="_1 blank"></span>ução se tornará azul<span class="_1 blank"></span> ou verde<span class="fs3">. </span></div><div class="t m0 x7 h5 y11 ff1 fs1 fc0 sc0 ls4 ws4"> </div><div class="t m0 x8 h5 y12 ff1 fs1 fc0 sc0 ls6 ws3">2.<span class="ls4 ws4"> <span class="_2 blank"> </span>Objetivo </span></div><div class="t m0 x6 h5 y13 ff1 fs1 fc0 sc0 ls2 ws4"> <span class="ff3 ls4 v2">Produzir <span class="_a blank"> </span>um <span class="_a blank"> </span>indicad<span class="_1 blank"></span>or <span class="_a blank"> </span>de <span class="_a blank"> </span>ácido-base <span class="_a blank"> </span>através <span class="_a blank"> </span>do r<span class="_a blank"> </span>epol<span class="_1 blank"></span>ho <span class="_a blank"> </span>roxo <span class="_a blank"> </span>e <span class="_a blank"> </span>deter<span class="_1 blank"></span>minar <span class="_a blank"> </span>atravé<span class="_1 blank"></span>s </span></div><div class="t m0 x6 h4 y14 ff3 fs1 fc0 sc0 ls4 ws4">destes as propried<span class="_1 blank"></span>ades que<span class="_1 blank"></span> o ácido e a<span class="_1 blank"></span> base contêm<span class="_1 blank"></span>. </div><div class="t m0 x6 h5 y15 ff1 fs1 fc0 sc0 ls2 ws4"> <span class="ls6 ws3 v2">3.</span><span class="ls4 v2"> <span class="_2 blank"> </span>Materiais </span></div><div class="t m0 x8 h4 y16 ff3 fs1 fc0 sc0 ls6 ws3">1.<span class="ls4 ws4"> <span class="_2 blank"> </span>Tubos de ensai<span class="_1 blank"></span>o </span></div><div class="t m0 x8 h4 y17 ff3 fs1 fc0 sc0 ls6 ws3">2.<span class="ls4 ws4"> <span class="_2 blank"> </span>Béckeres </span></div><div class="t m0 x8 h4 y18 ff3 fs1 fc0 sc0 ls6 ws3">3.<span class="ls4 ws4"> <span class="_2 blank"> </span>Pipetas </span></div><div class="t m0 x8 h4 y19 ff3 fs1 fc0 sc0 ls6 ws3">4.<span class="ls4 ws4"> <span class="_2 blank"> </span>Bastão de vi<span class="_1 blank"></span>dro </span></div><div class="t m0 x8 h4 y1a ff3 fs1 fc0 sc0 ls6 ws3">5.<span class="ls4 ws4"> <span class="_2 blank"> </span>Indicador (extra<span class="_1 blank"></span>to de repolho rox<span class="_1 blank"></span>o) </span></div><div class="t m0 x8 h4 y1b ff3 fs1 fc0 sc0 ls6 ws3">6.<span class="ls4 ws4"> <span class="_2 blank"> </span>Vinagre </span></div><div class="t m0 x8 h4 y1c ff3 fs1 fc0 sc0 ls6 ws3">7.<span class="ls4 ws4"> <span class="_2 blank"> </span>Água sanitária </span></div><div class="t m0 x8 h4 y1d ff3 fs1 fc0 sc0 ls6 ws3">8.<span class="ls4 ws4"> <span class="_2 blank"> </span>Suco de limão </span></div><div class="t m0 x8 h4 y1e ff3 fs1 fc0 sc0 ls6 ws3">9.<span class="ls4 ws4"> <span class="_2 blank"> </span>Detergente </span></div><div class="t m0 x8 h4 y1f ff3 fs1 fc0 sc0 ls6 ws3">10.<span class="ls4 ws4"> <span class="_1 blank"></span>Xampu<span class="_1 blank"></span> </span></div><div class="t m0 x8 h4 y20 ff3 fs1 fc0 sc0 ls6 ws3">11.<span class="ls4 ws4"> <span class="_1 blank"></span>Bicarbonato de<span class="_1 blank"></span> sódio </span></div><div class="t m0 x8 h4 y21 ff3 fs1 fc0 sc0 ls6 ws3">12.<span class="ls4 ws4"> <span class="_1 blank"></span>Sal </span></div><div class="t m0 x8 h4 y22 ff3 fs1 fc0 sc0 ls6 ws3">13.<span class="ls4 ws4"> <span class="_1 blank"></span>Aspirina<span class="_1 blank"></span> </span></div><div class="t m0 x7 h5 y23 ff1 fs1 fc0 sc0 ls4 ws4"> </div><div class="t m0 x8 h5 y24 ff1 fs1 fc0 sc0 ls6 ws3">4.<span class="ls4 ws4"> <span class="_2 blank"> </span>Procedimentos<span class="_1 blank"></span> </span></div><div class="t m0 x8 h4 y25 ff3 fs1 fc0 sc0 ls4 ws4">1º (etapa): Prepa<span class="_1 blank"></span>ração do suco de<span class="_1 blank"></span> repolho </div><div class="t m0 x8 h4 y26 ff3 fs1 fc0 sc0 ls3 ws4"> <span class="ls4 v2">Corte o repolho em <span class="_a blank"> </span>peda<span class="_1 blank"></span>ços e passe <span class="_a blank"> </span>o<span class="_1 blank"></span> mesmo com água no <span class="_a blank"> </span>li<span class="_1 blank"></span>quidi<span class="_1 blank"></span>ficador e em </span></div><div class="t m0 x7 h4 y27 ff3 fs1 fc0 sc0 ls4 ws4">seguida peneire o<span class="_1 blank"></span> repolho a fim de<span class="_1 blank"></span> obter o extra<span class="_1 blank"></span>to do mes<span class="_1 blank"></span>mo. </div><div class="t m0 x7 h4 y28 ff3 fs1 fc0 sc0 ls4 ws4"> </div><div class="t m0 x7 h4 y29 ff3 fs1 fc0 sc0 ls4 ws4">2º (etapa): Preencha<span class="_1 blank"></span> o tubo<span class="_1 blank"></span> de ensaio pela metad<span class="_1 blank"></span>e com as se<span class="_1 blank"></span>guintes solu<span class="_1 blank"></span>ções </div><div class="t m0 x7 h4 y2a ff3 fs1 fc0 sc0 ls4 ws4">1º tubo de ensaio:<span class="_1 blank"></span> Adicione á<span class="_1 blank"></span>gua </div><div class="t m0 x7 h4 y2b ff3 fs1 fc0 sc0 ls4 ws4">2º tubo de ensaio:<span class="_1 blank"></span> Adicione ácido acé<span class="_1 blank"></span>tico (vinagre<span class="_1 blank"></span><span class="ls7">) <span class="ls4"> </span></span></div><div class="t m0 x7 h4 y2c ff3 fs1 fc0 sc0 ls4 ws4">3º tubo de ensaio:<span class="_1 blank"></span> Adicione á<span class="_1 blank"></span>gua com água sanit<span class="_1 blank"></span>ária </div><div class="t m0 x7 h4 y2d ff3 fs1 fc0 sc0 ls4 ws4">4º tubo de ensaio:<span class="_1 blank"></span> Adicione á<span class="_1 blank"></span>gua com bicarbonat<span class="_1 blank"></span>o de sódio </div><div class="t m0 x7 h4 y2e ff3 fs1 fc0 sc0 ls4 ws4">5º tubo de ensaio:<span class="_1 blank"></span> Adicione á<span class="_1 blank"></span>gua com sal </div><div class="t m0 x7 h4 y2f ff3 fs1 fc0 sc0 ls4 ws4">6º tubo de ensaio:<span class="_1 blank"></span> Adicione á<span class="_1 blank"></span>gua com aspirina<span class="_1 blank"></span> </div><div class="t m0 x7 h4 y30 ff3 fs1 fc0 sc0 ls4 ws4">7º tubo de ensaio:<span class="_1 blank"></span> Adicione á<span class="_1 blank"></span>gua com suco de<span class="_1 blank"></span> limão </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 x6 y31 w2 h6" alt="" src="https://files.passeidireto.com/83e710c5-ca8f-4e41-a03a-ddf3dfa2f1d5/bg2.png"><div class="t m0 x7 h4 y32 ff3 fs1 fc0 sc0 ls4 ws4">8º tubo de ensaio:<span class="_1 blank"></span> Adicione á<span class="_1 blank"></span>gua com dete<span class="_1 blank"></span>rgente </div><div class="t m0 x7 h4 y33 ff3 fs1 fc0 sc0 ls4 ws4">9º tubo de ensaio:<span class="_1 blank"></span> Adicione á<span class="_1 blank"></span>gua com xampu </div><div class="t m0 x7 h4 y34 ff3 fs1 fc0 sc0 ls4 ws4"> </div><div class="t m0 x7 h4 y35 ff3 fs1 fc0 sc0 ls4 ws4">- Em seguida adicione em cada tubo de ensaio o extrato de repolho roxo <span class="_1 blank"></span>(suco)<span class="_1 blank"></span> </div><div class="t m0 x7 h4 y36 ff3 fs1 fc0 sc0 ls4 ws4">e <span class="_b blank"> </span>observe <span class="_b blank"> </span>o <span class="_b blank"> </span>que <span class="_b blank"> </span>acontece.<span class="_1 blank"></span> </div><div class="t m0 x7 h4 y37 ff3 fs1 fc0 sc0 ls4 ws4">- Anote os resultados.<span class="_1 blank"></span> </div><div class="t m0 x8 h5 y38 ff1 fs1 fc0 sc0 ls4 ws4"> </div><div class="t m0 x6 h5 y39 ff1 fs1 fc0 sc0 ls4 ws4"> </div><div class="t m0 x8 h5 y3a ff1 fs1 fc0 sc0 ls6 ws3">5.<span class="ls4 ws4"> <span class="_2 blank"> </span>Referências Bib<span class="_1 blank"></span>liográficas </span></div><div class="t m0 x6 h4 y3b ff3 fs1 fc2 sc0 ls4 ws5">http://www<span class="_1 blank"></span>.agracadaquimica.co<span class="_1 blank"></span>m.br/index<span class="_1 blank"></span>.php?&ds=1&<span class="_1 blank"></span>acao=quimica<span class="_1 blank"></span>/ms2&i=3&i<span class="_1 blank"></span>d=57<span class="fc0 ws4"> </span></div><div class="t m0 x6 h4 y3c ff3 fs1 fc0 sc0 ls4 ws4"> </div><div class="t m0 x6 h4 y3d ff3 fs1 fc2 sc0 ls4 ws6">http://portaldopro<span class="_1 blank"></span>fessor.mec.<span class="_1 blank"></span>gov.br/ficha<span class="_1 blank"></span>TecnicaAul<span class="_1 blank"></span>a.html?aula=2386<span class="fc0 ws4"> </span></div><div class="t m0 x6 h4 y3e ff3 fs1 fc0 sc0 ls4 ws4"> </div><div class="t m0 x6 h4 y3f ff3 fs1 fc2 sc0 ls4 ws7">http://www<span class="_1 blank"></span>.pontociencia.org.b<span class="_1 blank"></span>r/experimentos-</div><div class="t m0 x6 h4 y40 ff3 fs1 fc2 sc0 ls4 ws7">interna.php?experi<span class="_1 blank"></span>mento=677&<span class="_1 blank"></span>REPOLHO<span class="_1 blank"></span>+ROXO+C<span class="_1 blank"></span>OMO+INDICADOR<span class="_1 blank"></span>+ACIDOBAS</div><div class="t m0 x6 h4 y41 ff3 fs1 fc2 sc0 ls4 ws7">E<span class="fc0 ws4"> </span></div><div class="t m0 x6 h4 y42 ff3 fs1 fc0 sc0 ls4 ws4"> </div><a class="l"><div class="d m1" style="border-style:none;position:absolute;left:82.800000px;bottom:624.780000px;width:423.960000px;height:12.650000px;background-color:rgba(255,255,255,0.000001);"></div></a><a class="l"><div class="d m1" style="border-style:none;position:absolute;left:82.800000px;bottom:599.480000px;width:343.560000px;height:12.650000px;background-color:rgba(255,255,255,0.000001);"></div></a><a class="l"><div class="d m1" style="border-style:none;position:absolute;left:82.800000px;bottom:574.190000px;width:429.700000px;height:12.650000px;background-color:rgba(255,255,255,0.000001);"></div></a><a class="l"><div class="d m1" style="border-style:none;position:absolute;left:82.800000px;bottom:561.540000px;width:429.700000px;height:12.650000px;background-color:rgba(255,255,255,0.000001);"></div></a><a class="l"><div class="d m1" style="border-style:none;position:absolute;left:82.800000px;bottom:548.890000px;width:11.837000px;height:12.650000px;background-color:rgba(255,255,255,0.000001);"></div></a></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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