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从同一始态膨胀至体积相同的终态时,为什么理想气体的恒温膨胀功总大于绝热可逆膨胀功?

问答题
2022-04-02 13:17
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正确答案
两过程中压力下降程度不同,理想气体恒温可逆膨胀过程中从环境吸热因此压力下降较小,而理想气体绝热可逆膨胀过程中无法从环境吸热故压力下降较大,因此理想气体恒温可逆膨胀过程所做的功总是大于绝热可逆膨胀过程所做的功。.

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