TERMODINAMICA_APLICADA (3)

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❚❊❘▼❖❉■◆➶▼■❈❆ ❆P▲■❈❆❉❆
Pr♦❢✳ ❆♥❞ré ▲✉✐③
▲✐st❛ ■❱
Pr♦♣r✐❡❞❛❞❡ ❞❡ ❙✉❜stâ♥❝✐❛ P✉r❛
✶✳ ❘❡♣♦♥❞❛ ❞❡ ❛❝♦r❞♦ ❝♦♠ ❛ t❛❜❡❧❛✿
✭❛✮ ◗✉❛❧ ❛ ♣r❡ssã♦ ❞❡ s❛t✉r❛çã♦ ❞❛ á❣✉❛ ❛ 300
◦C❄
✭❜✮ ◗✉❛❧ ❛ t❡♠♣❡r❛t✉r❛ ❞❡ s❛t✉r❛çã♦ ❛ 110 kPa❄
✭❝✮ ◗✉❛❧ é ♦ ✈♦❧✉♠❡ ❞❡ 5 kg ❞❡ ❧íq✉✐❞♦ s❛t✉r❛❞♦ ❞❡ á❣✉❛ ♥❛ ♣r❡ssã♦ ❞❡
✾✵ ❦P❛❄
✭❞✮ ◗✉❛❧ é ♦ ✈♦❧✉♠❡ ❞❡ 5 kg ❞❡ ✈❛♣♦r s❛t✉r❛❞♦ ❞❡ á❣✉❛ ♥❛ ♣r❡ssã♦ ❞❡
✾✵ ❦P❛❄
✭❡✮ ◗✉❛❧ é ♦ ✈♦❧✉♠❡ ❞❡ 5 kg ❞❡ á❣✉❛ ❝♦♠ tít✉❧♦ ❞❡ ✽✵ ♥❛ ♣r❡ssã♦ ❞❡ ✾✵ ❦P❛❄
✷✳ ❉❡t❡r♠✐♥❡ ❛s ♣r♦♣r✐❡❞❛❞❡ ❡s♣❡❝í✜❝❛ ♣❛r❛ ❛ á❣✉❛ ♥♦s ❡st❛❞♦s ✐♥❞✐❝❛❞♦s ❡
❧♦❝❛❧✐③❡ ❝❛❞❛ ❡st❛❞♦ ❡♠ ✉♠ ❞✐❛❣r❛♠❛ ♣✲✈ ❡ ❚✲✈✳
✶
✸✳ ❊♠ ❝❛❞❛ ❞♦s ✐t❡♥s ❛❜❛✐①♦✱ ❞❡t❡r♠✐♥❡ ❛ ❢❛s❡ ❞❛ á❣✉❛ ❡ ❝♦♠♣❧❡t❡ ❛ ♣r♦✲
♣r✐❡❞❛❞❡ q✉❡ ❡stá ❢❛❧t❛♥❞♦ ❡ r❡♣r❡s❡♥t❡ ♦ ❡st❛❞♦ ❛tr❛✈és ❞♦s ❣rá✜❝♦s ♣✲✈
❡ ❚✲✈✳
❊q✉❛çã♦ ❞❡ ❊st❛❞♦
✹✳ ❯♠ t❛♥q✉❡ ❞❡ 20, 0l ❝♦♥té♠ 0, 225 kg ❞❡ ❤é❧✐♦ ❛ 18
◦C✳ ❆ ♠❛ss❛ ♠♦❧❛r ❞♦
❤é❧✐♦ é 4, 0g/mol✳ ❛✮ ◗✉❛♥t♦s ♠♦❧❡s ❞❡ ❤é❧✐♦ ❡①✐st❡ ♥♦ t❛♥q✉❡❄ ❜✮ ❈❛❧❝✉❧❡
❛ ♣r❡ssã♦ ❞♦ t❛♥q✉❡ ❡♠ ♣❛s❝❛❧s ❡ ❡♠ ❛t♠♦s❢❡r❛s❄
✺✳ ✶✵✵ ❣r❛♠❛s ❞❡ ♠♦♥ó①✐❞♦ ❞❡ ❝❛r❜♦♥♦ ❡stã♦ ❝♦♥t✐❞♦s ❡♠ ✉♠ ❞✐s♣♦s✐t✐✈♦
♣✐stã♦✲❝✐❧✐♥❞r♦✳ ■♥✐❝✐❛❧♠❡♥t❡✱ ♦ ♠♦♥ó①✐❞♦ ❞❡ ❝❛r❜♦♥♦ ❡stá ❛ 1000 kPa ❛
200
◦C✳ ❊♠ s❡❣✉✐❞❛ ♦ ❣ás é ❛q✉❡❝✐❞♦ ❛té ❛ t❡♠♣❡r❛t✉r❛ ❛t✐♥❥❛ 500
◦C✳
❉❡t❡r♠✐♥❡ ♦ ✈♦❧✉♠❡ ✜♥❛❧ ❞♦ ♠♦♥ó①✐❞♦ ❞❡ ❝❛r❜♦♥♦ tr❛t❛♥❞♦✲♦ ❝♦♠♦ ✭❛✮
✉♠ ❣ás ✐❞❡❛❧ ❡ ✭❜✮ ❣ás ❞❡ ❱❛♥ ❞❡r ❲❛❛❧s✭a = 0, 364jm3/mol2 ❡ b =
4, 27× 10
−5 m3/mol✮
✷