本题目来源于试卷: 1 st law of Thermal Dynamics，类别为 美国物理杯赛(Physics Bowl)
[单选题]
15.25: A gas undergoes the un p8ef+8)dik ote9m1qr,y2spr usual proc v aygni87d ,n:s t)p9vess 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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