Предмет: Физика, автор: anyua02

какое количество теплоты выделяется при остывании 3 тона чугуна на 100 градусов цельсию

Ответы

Автор ответа: Kakosis

0

Дано: Решение:

m=3т=3·103кг Q=cmΔt

с=540 Дж/кг·°С Q= 540 Дж/кг·°С · 3·103кг · 100°С=162 · 106Дж

Δt=100°С Ответ: Q=162 · 106Дж

Q-?

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