本题目来源于试卷: Physics Unit14: Heat，类别为 通用国际物理
[单选题]
An ideal gas at STP isae ,zotkf/(0p4io-ec first coo2+ wca v/qnc7mpressed until its volume is half the initial volume, and then it is allowed to expand until i2/nvo qawc+7cts pressure is half the initial pressure. All of this is done while holding the temperature constant. If the initial internal energy of the gas is U, the final internal energy of the gas will be
A. U.
B. U/3.
C. U/2.
D. 2U.
参考答案: A
本题详细解析:
暂无
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