cobalt


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 (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 3184.943 - 6000.
A 9.737871
B -2.021201
C 0.368042
D -0.015581
E -2.664771
F 94.94410
G 50.88841
H 101.9780
ReferenceChase, 1998
Comment Data last reviewed in September, 1967
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
3185.6.2757.5651.8718.13
3200.6.2757.5951.9018.22
3300.6.2757.7852.0718.85
3400.6.2857.9752.2419.48
3500.6.2958.1552.4120.11
3600.6.3058.3352.5720.73
3700.6.3158.5052.7321.37
3800.6.3358.6752.8822.00
3900.6.3558.8453.0322.63
4000.6.3859.0053.1823.27
4100.6.4159.1653.3323.91
4200.6.4459.3153.4724.55
4300.6.4759.4653.6025.19
4400.6.5059.6153.7425.84
4500.6.5459.7653.8726.50
4600.6.5959.9054.0027.15
4700.6.6360.0454.1327.81
4800.6.6860.1854.2528.48
4900.6.7360.3254.3729.15
5000.6.7860.4654.4929.82
5100.6.8360.5954.6130.50
5200.6.8960.7354.7331.19
5300.6.9560.8654.8431.88
5400.7.0160.9954.9632.58
5500.7.0761.1255.0733.28
5600.7.1461.2555.1834.00
5700.7.2161.3755.2834.71
5800.7.2861.5055.3935.44
5900.7.3561.6255.4936.17
6000.7.4261.7555.6036.91

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