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2019-04-01View Original

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选择题:下面的说法符合热力学第一定律的是( ) (A) 在一完全绝热且边界为刚性的密闭容器中发生化学反应时,其内能一定变化 (B) 在无功过程中, 内能变化等于过程热, 这表明内能增量不一定与热力学过程无关 (C) 封闭系统在指定的两个平衡态之间经历绝热变化时, 系统所做的功与途径无关 (D) 气体在绝热膨胀或绝热压缩过程中, 其内能的变化值与过程完成的方式无关

Reply #22019-04-01

Reply #32019-04-01

Reply #42019-04-01

下面的说法符合热力学第一定律的是( ) (C) 封闭系统在指定的两个平衡态之间经历绝热变化时, 系统所做的功与途径无关

Reply #52019-04-01

Reply #62019-04-01

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