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1st Law of Thermal Dynamics (id: 7cf204398)

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admin 发表于 2025-12-25 17:16:40 | 显示全部楼层 |阅读模式
本题目来源于试卷: 1st Law of Thermal Dynamics,类别为 美国物理杯赛(Physics Bowl)

[单选题]
15.25: A gas undergoes the unuk*7qw;xb+ ,b/ cw qmrwsualpu 6km)d4.omymf :y5w process M $\to$ N in the pressure vs. volume graph shown. Which one of the following choices properly represents the signs of the internal energy change of the gas $\Delta$U, the total energy transferred as heat to the gas Q, and the total work done on the gas by the surroundings W, for this process?



A. $\Delta$U is Positive Q is Negative W is Positive
B. $\Delta$U is Negative Q is Positive W is Negative
C. $\Delta$U is Negative Q is Negative W is Negative
D. $\Delta$U is Positive Q is Positive W is Negative
E. $\Delta$U is Negative Q is Negative W is Positive


参考答案:  E


本题详细解析: 暂无

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