10kg氢气完全燃烧放出的热量全部被水吸收,则水吸收的热量是____ ___

10kg氢气完全燃烧放出的热量全部被水吸收,则水吸收的热量是____ ____J;这是通过       (选填做功热传递)改变了水的内能。[氢气的热值为1.4´108Jkg]

答案

1.4´109、热传递

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