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сколько энергии выделится если чугуна балванки массой 32 кг охлаждали от 1115градусив Цельсия до 15градусив Цельсия
Ответы 1
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Q=c*m*Δtгде Δt = t1-t2ПодставлямQ=540Дж/кг*°C*32кг*(1115°C-15°C)=19008000Дж≈19МДжОтвет: Q≈19МДж
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Автор:
erin67 - 5 лет назад
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