本题目来源于试卷: Internal energy and r.m.s. speed，类别为 美国物理杯赛(Physics Bowl)
[单选题]
08.39: An ideal gas is enclosed / -lb6 jrocnk*in a container. The volume m ;h9wd87bt qhof the container is reduced to half the original volume at constant temperature. According to kinetic theory, what is the best expla bq9tdmhh78;w nation for the increase in pressure created by the gas?
A. The average speed of the gas particles decreases, but they hit the container walls more frequently.
B. The average speed of the gas particles is unchanged, but they hit the container walls more frequently.
C. The average speed of the gas particles increases as does the frequency with which they hit the container walls.
D. The average speed of the gas particles increases, overcoming the decreased frequency that they hit the container walls.
E. The internal energy of the gas increases.
参考答案: B
本题详细解析:
暂无
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