Предмет: Физика, автор: hhhhh93

Чтобы превратить в пар воду при температуре кипения, потребовалось количество теплоты Q=10 МДж. Какова масса этой воды?

Ответы

Автор ответа: DedStar

108

Ответ:

Объяснение:

Дано:

Q = 10 МДж = 10·10⁶ Дж

L = 22,6·10⁵ Дж/кг - теплота парообразования воды

____________________

m - ?

Из формулы:

Q = m·L·

Масса:

m = Q / L = 10·10⁶ / (22,6·10⁵ ) ≈ 4,4 кг

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