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 is first compresse0.qvxg +mo m8wd until its vov achj xns.2wa)7 tjble(b501lume is half the initial volume, and then it is allowed to expand unti w1e 02jh7)ats 5axl(vjcn.bbl its 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
|