Предмет: Физика, автор: verakiriltseva

какое количество теплоты выделится при конденсации 200 г водяного пара , имеющего температуру 100° С , и охлаждении образовавшейся воды до температуры 40°С

Ответы

Автор ответа: Dkill

Q=Lm L=2300*1000 Дж/кг
Q=cm(t2-t1) c=4200 Дж/кг
Q1=2300000*0,2=460000Дж - при конденсации
Q2=4200*0,2(100-40)=50400Дж - при охлаждении
Q=460000+50400=510400 Дж - всего

verakiriltseva: Спасибо

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