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["가스 압력 감소는 흡열인지 방열인지 의문입니다", "메탄 27℃ 33MPA의 단열용량은 1...6cal/g℃이며 27℃ 3AMPA의 단열용량은

2017-05-14View Original

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甲烷27℃ 30MPA 比热容为13.16cal/g℃ 27℃ 10MPA 比热容为11.32 是否可以理解为每g甲烷在温度不变的情况下,由30MPA降低到10MPA 需要放热13.16-11.32cal 热量呢? 但是又有违降压吸热的常理? 求解释?!
Reply #22017-05-15
气体膨胀是个吸热过程。冷机利用的就是这个原理

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