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Chromium monoxide


Gas Phase Heat Capacity (Shomate Equation)

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. - 1400.1400. - 6000.
A 27.4908040.66358
B 21.35694-2.222764
C -16.565040.679749
D 4.565706-0.045004
E -0.106995-2.753395
F 178.9124170.3436
G 266.2589281.4811
H 188.2800188.2800
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in December, 1973 Data last reviewed in December, 1973
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.31.30239.2239.3-0.01
300.31.34239.5239.30.06
400.33.01248.7240.53.28
500.34.17256.2242.96.64
600.35.03262.5245.710.10
700.35.67268.0248.513.64
800.36.15272.8251.217.23
900.36.49277.1253.920.87
1000.36.74280.9256.424.53
1100.36.93284.4258.828.21
1200.37.08287.6261.031.91
1300.37.23290.6263.235.63
1400.37.40293.4265.339.36
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1400.37.36293.4265.339.36
1500.37.48296.0267.243.10
1600.37.59298.4269.146.86
1700.37.68300.7270.950.62
1800.37.75302.8272.654.39
1900.37.82304.9274.258.17
2000.37.89306.8275.861.95
2100.37.95308.7277.365.75
2200.38.02310.4278.869.55
2300.38.08312.1280.273.35
2400.38.14313.7281.677.16
2500.38.21315.3282.980.98
2600.38.28316.8284.284.80
2700.38.35318.2285.488.63
2800.38.43319.6286.692.47
2900.38.51321.0287.896.32
3000.38.59322.3288.9100.2
3100.38.68323.6290.0104.0
3200.38.77324.8291.1107.9
3300.38.86326.0292.1111.8
3400.38.96327.1293.1115.7
3500.39.06328.3294.1119.6
3600.39.16329.4295.1123.5
3700.39.26330.5296.0127.4
3800.39.37331.5296.9131.3
3900.39.48332.5297.8135.3
4000.39.60333.5298.7139.2
4100.39.71334.5299.6143.2
4200.39.83335.5300.4147.2
4300.39.95336.4301.2151.2
4400.40.07337.3302.1155.2
4500.40.19338.2302.8159.2
4600.40.31339.1303.6163.2
4700.40.44340.0304.4167.3
4800.40.56340.8305.1171.3
4900.40.68341.7305.9175.4
5000.40.81342.5306.6179.4
5100.40.93343.3307.3183.5
5200.41.06344.1308.0187.6
5300.41.18344.9308.7191.7
5400.41.30345.6309.4195.9
5500.41.42346.4310.0200.0
5600.41.54347.2310.7204.1
5700.41.66347.9311.3208.3
5800.41.78348.6312.0212.5
5900.41.89349.3312.6216.7
6000.42.00350.0313.2220.9

References

Go To: Top, Gas Phase Heat Capacity (Shomate Equation), Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]


Notes

Go To: Top, Gas Phase Heat Capacity (Shomate Equation), References