Appendix I Answers to Selected Problems
Appendix I Answers to Selected Problems
3.3(b)qD wD1:00 105 J
3.4 (c)wD1:99 103 J,qD 1:99 103 J.
3.5 0:0079%
3.6 (c)V 2 !nRV 1 =.CVCnR/,T 2! 1.
ForCVD.3=2/nR,V 2 =V 1 !0:4.
3.119:58 103 s ( 2 hr 40 min)
4.4 ÅSD0:054J K ^1
4.5 ÅSR D 549 J K ^1 for both processes;
∂q=TextD 333 J K ^1 and 0.
5.4 (a)SDnRln
cT3=2
V
n
b
C
5
2
nR
5.5 (a)qD 0 ,wD 1:50 104 J,
ÅU D 1:50 104 J,
ÅHD2:00 104 J
(c)ÅSD66:7J K ^1
6.1 Sm151:6J K ^1 mol ^1
7.6 (a) D8:519 10 ^4 K ^1
tD4:671 10 ^5 bar ^1
.@p=@T /VD18:24bar K ^1
.@U=@V /TD 5437 bar
(b)Åp1:8bar
7.7(b).@Cp;m=@p/T
D 4:210 10 ^8 J K ^1 Pa ^1 mol ^1
7.8(b) 8 10 ^4 K ^1
7.115:001 103 J
7.12 ÅHD2:27 104 J,ÅSD43:6J K ^1
7.13 (a)Cp;mD42:3J K ^1 mol ^1
(b)Cp;m52:0J K ^1 mol ^1
7.14 (a)2:56J K ^1 g ^1
7.15 (b)fD17:4bar
7.16 (a)D0:739,fD 148 bar
(b)BD 7:28 10 ^5 m^3 mol ^1
8.2 (a)Sm(l)D253:6J K ^1 mol ^1
(b)ÅvapSD88:6J K ^1 mol ^1 ,
ÅvapHD2:748 104 J mol ^1
8.44:5 10 ^3 bar
8.5 19 J mol ^1
8.6 (a)352:82K
(b)3:4154 104 J mol ^1
8.7 (a)3:62 103 Pa K ^1
(b)3:56 103 Pa K ^1
(c)99:60C
8.8(b)ÅvapHD4:084 104 J mol ^1
8.90:93mol
9.2(b)VA.xBD0:5/125:13cm^3 mol ^1
VB.xBD0:5/158:01cm^3 mol ^1
VB^1 157:15cm^3 mol ^1
9.4real gas:pD1:9743bar
ideal gas:pD1:9832bar