Table 9.5
Natural logarithms of the equilibrium constant K
p
The equilibrium constant K
p for the reaction
v
A A þ v
B B v
C C þ v
D D is defined as
K
p
P
v
C
C P
v
D
D
P
v
A
A P
v
B
B
Temp. (K)
H
2 2H
O
2 2O
N
2 2N
H
2 O H
2 þ 1
=2 O
2
H
2 O 1
=2 H
2 þ OH
CO
2 CO þ 1
=2 O
2
1
=2N
2 þ 1
=2 O
2 NO
298
−164.005
−186.975
−367.480
−92.208
−106.208
−103.762
−35.052
500
−92.827
−105.630
−213.372
−52.691
−60.281
−57.616
−20.295
1000
−39.803
−45.150
−99.127
−23.163
−26.034
−23.529
−9.388
1200
−30.874
−35.005
−80.011
−18.182
−20.283
−17.871
−7.569
1400
−24.463
−27.742
−66.329
−14.609
−16.099
−13.842
−6.270
1600
−19.637
−22.285
−56.055
−11.921
−13.066
−10.830
−5.294
1800
−15.866
−18.030
−48.051
−9.826
−10.657
−8.497
−4.536
2000
−12.840
−14.622
−41.645
−8.145
−8.728
−6.635
−3.931
2200
−10.353
−11.827
−36.391
−6.768
−7.148
−5.120
−3.433
2400
−8.276
−9.497
−32.011
−5.619
−5.832
−3.860
−3.019
2600
−6.517
−7.521
−28.304
−4.648
−4.719
−2.801
−2.671
2800
−5.002
−5.826
−25.117
−3.812
−3.763
−1.894
−2.372
3000
−3.685
−4.357
−22.359
−3.086
−2.937
−1.111
−2.114
3200
−2.534
−3.072
−19.937
−2.451
−2.212
−0.429
−1.888
3400
−1.516
−1.935
−17.800
−1.891
−1.576
0.169
−1.690
3600
−0.609
−0.926
−15.898
−1.392
−1.088
0.701
−1.513
3800
0.202
−0.019
−14.199
−0.945
−0.501
1.176
−1.356
4000
0.934
0.796
−12.660
−0.542
−0.044
1.599
−1.216
4500
2.486
2.513
−9.414
0.312
0.920
2.490
−0.921
5000
3.725
3.895
−6.807
0.996
1.689
3.197
−0.686
5500
4.743
5.023
−4.666
1.560
2.318
3.771
−0.497
6000
5.590
5.963
−2.865
2.032
2.843
4.245
−0.341
Source
Gorden J. Van Wylen and Richard E. Sonntag, Fundamentals of Classical Thermodynamics,
English/SI Version, 3rd ed. (New York: John Wiley &
Sons, 1986), p. 723, Table A.14. Based on thermodynamic data given in JANAF, Thermochemical Tables
(Midland, MI: Thermal Research Laboratory, The
Dow Chemical Company, 1971)
268
9 Applications to Special States of Thermodynamic Equilibrium …
Natural logarithms of the equilibrium constant K
p
The equilibrium constant K
p for the reaction
v
A A þ v
B B v
C C þ v
D D is defined as
K
p
P
v
C
C P
v
D
D
P
v
A
A P
v
B
B
Temp. (K)
H
2 2H
O
2 2O
N
2 2N
H
2 O H
2 þ 1
=2 O
2
H
2 O 1
=2 H
2 þ OH
CO
2 CO þ 1
=2 O
2
1
=2N
2 þ 1
=2 O
2 NO
298
−164.005
−186.975
−367.480
−92.208
−106.208
−103.762
−35.052
500
−92.827
−105.630
−213.372
−52.691
−60.281
−57.616
−20.295
1000
−39.803
−45.150
−99.127
−23.163
−26.034
−23.529
−9.388
1200
−30.874
−35.005
−80.011
−18.182
−20.283
−17.871
−7.569
1400
−24.463
−27.742
−66.329
−14.609
−16.099
−13.842
−6.270
1600
−19.637
−22.285
−56.055
−11.921
−13.066
−10.830
−5.294
1800
−15.866
−18.030
−48.051
−9.826
−10.657
−8.497
−4.536
2000
−12.840
−14.622
−41.645
−8.145
−8.728
−6.635
−3.931
2200
−10.353
−11.827
−36.391
−6.768
−7.148
−5.120
−3.433
2400
−8.276
−9.497
−32.011
−5.619
−5.832
−3.860
−3.019
2600
−6.517
−7.521
−28.304
−4.648
−4.719
−2.801
−2.671
2800
−5.002
−5.826
−25.117
−3.812
−3.763
−1.894
−2.372
3000
−3.685
−4.357
−22.359
−3.086
−2.937
−1.111
−2.114
3200
−2.534
−3.072
−19.937
−2.451
−2.212
−0.429
−1.888
3400
−1.516
−1.935
−17.800
−1.891
−1.576
0.169
−1.690
3600
−0.609
−0.926
−15.898
−1.392
−1.088
0.701
−1.513
3800
0.202
−0.019
−14.199
−0.945
−0.501
1.176
−1.356
4000
0.934
0.796
−12.660
−0.542
−0.044
1.599
−1.216
4500
2.486
2.513
−9.414
0.312
0.920
2.490
−0.921
5000
3.725
3.895
−6.807
0.996
1.689
3.197
−0.686
5500
4.743
5.023
−4.666
1.560
2.318
3.771
−0.497
6000
5.590
5.963
−2.865
2.032
2.843
4.245
−0.341
Source
Gorden J. Van Wylen and Richard E. Sonntag, Fundamentals of Classical Thermodynamics,
English/SI Version, 3rd ed. (New York: John Wiley &
Sons, 1986), p. 723, Table A.14. Based on thermodynamic data given in JANAF, Thermochemical Tables
(Midland, MI: Thermal Research Laboratory, The
Dow Chemical Company, 1971)
268
9 Applications to Special States of Thermodynamic Equilibrium …