Вопрос школьника по предмету Физика
В калориметр с водой бросают кусочки тающего льда. В некоторый момент кусочки льда перестают таять. Первоначальная температура воды 22 градуса цельсия. Насколько увеличилась масса воды?. Ответ выразите в процентах от первоначальной массы воды.
ОТВЕТ 28%. Пожалуйста, подробное решение.
Ответ учителя по предмету Физика
Вода отдаст Q=m₁cΔt
Лед получит и растает Q=m₂λ
m₁cΔt=m₂λ
m₂/m₁=cΔt/λ
m₂/m₁=4200•22/330000=0,28
m₂/m₁=28%
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