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Какое количество теплоты необходимо для нагревания 100г цинка от 20 градусов до120 градусов? Удельная теплоемкость цинка 400дж/кг*град
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Предмет:
Физика -
Автор:
cozmonewman - 6 лет назад
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Ответы 3
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t1 - начальная температура; t2 - конечная.
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Автор:
muffylpxj - 6 лет назад
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0
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И граммы в кг перевести будет 0,1
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Автор:
karmapetersen - 6 лет назад
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0
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Q=mc(t2-t1)
Q=0,1×400(120-20)
Q=4000 Дж | 4 кДж
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Автор:
zoey - 6 лет назад
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0
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