无机化学课外习题
(C) 35
(C) 36
(D) 37
(C) 38
(C) 39
rSm=
Qr 6000
= -20.1(J·mol-1·K-1)
T298
rGm= -W = -200 kJ·mol-1
40
(B) 41
已知: vapHm= 40.67 kJ·mol-1, 101.325 kPa 时沸点为100℃
vapHm
vapHm
所以T2 =
T1
42
40.67 103
= 3640.67 100.23 10p-8.314ln-Rln2
37315.101325p1
= 398.0 (K) = 124.9 (℃)
= rUm+ΔnRT = -128 + 8.314 10-3 298 = -126 (kJ·mol-1) rHm