W.E.B. Du Bois was not only one of the founders of the National Association for the Advancement of Colored People (NAACP), but also organized First Pan African Congress in 1919.
A.
Y
B.
N
C.
NG
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【简答题】“理想气体在外压一定时绝热膨胀,因为是等压,所以Q p =ΔH;又因为绝热,所以Q p =0。因此可得ΔH=Q p =0。”这个结论对吗?为什么?