Предмет: Физика, автор: petrovigore1998

Какое количество теплоты выделится при полном сгорании каменного угля массой 20кг?

СРОЧНО!

Ответы

Автор ответа: danialsheenoda6

2

Ответ:

Q=594 МДж

Объяснение:

Дано

q=29,7*10^6 Дж/кг

m=20 кг

Q-?

Решение

Q=qm=29,7*10^6*20=594*10^6 Дж=594 МДж

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