Предмет: Физика, автор: npupov100000

Помогите решить задачи по физике:
1. Какое количество теплоты выделится при кристаллизации меди массой 4 кг, находящегося при температуре отвердевания.
2. Какое количество теплоты потребуется для обращения в пар 100 г эфира, находящегося при температуре парообразования?

ДАЮ 35 БАЛЛОВ!!!

Ответы

Автор ответа: tteesslaa
0

Ответ:

1)Q = 852 кДж

Q = 235кДж

Объяснение:

1)

Q = λm

Q = 213кДж*4кг

Q = 852 кДж

2)

Q = Lm

Q = 2,35МДж*0.1кг = 0,235МДж = 235кДж

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