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4. Истинная мольная теплоемкость водяного пара может быть выражена уравнением: Ср=28,83+13,74*10-3Т-1,435*10-6Т2 Дж/(моль*К). Какое количество теплоты выделится при охлаждении 90 г пара от 307 С до 100 С при постоянном давлении 1,013*105 Н/м2?
