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]
02.08: A gas is enclosed in a xxwhbde)(6fgyc:e q13x x8-e h)2l3w:kacc ncylindrical piston. When the gas is hp,wytnv.kll 5 6ic:oz7 r:.nbeated from $0^{\circ}C$ to $100^{\circ}C$, the piston is allowed to move to maintain a constant pressure. According to the Kinetic-Molecular Theory of Matter
A. the mass of the gas will increase
B. the number of molecules of gas must increase
C. the size of the individual molecules has increased
D. the average speed of the molecules has increased
E. the molecules continue to strike the sides of the container with the same energy
参考答案: D
本题详细解析:
暂无
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