题目内容
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[主观题]
CO的转动惯量I=1.45x10-46kg.m-1,振动特征温度θ,=3084K,试求25℃时CO的标准摩尔熵Smθ(298.15K).
CO的转动惯量I=1.45x10-46kg.m-1,振动特征温度θ,=3084K,试求25℃时CO的标准摩尔熵Smθ(298.15K).
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一自由的三维转子的Hamitonian为式中,是轨道角动量算符,I是转子的转动惯量。
(1)求能谱与相应的简并度;
(2)若给此转子施加以微扰求基态能级移动(直至二阶微扰)。
已知:
的简谐振动.
(1)写出H2(g),CO(g),CH3OH(I)燃烧反应的热化学方程式;
(2)甲醉的合成反应为:CO(g)+2H2(g)→CH3OH(l).
利用计算该反应的.
I______to see you but I was occupied in designing a new device.
A.would have come
B.would come
C.had come
D.came
__________ ,I should ask them some questions.
A.Should they come to us
B.If they come to as
C.Were they come to us
D.Had they come to us
A. I am awfully sorry,
B. Not at all.
C. It's my pleasure.
D. No, of course not.
E. Coffee, please.
F. You don't look well.
G. But he panned to.
H. Take it easy.
56. Tony: OK. Tom. Thank you very much for your invitation.
Tom:______.