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molybdenum


Solid 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. - 1900.1900. - 2896.
A 24.727361231.192
B 3.960425-963.4246
C -1.270706283.7292
D 1.153065-28.04100
E -0.170246-712.2047
F -8.110684-1485.529
G 56.43379573.7854
H 0.0000000.000000
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in March, 1978 Data last reviewed in March, 1978
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.23.9128.5928.60-0.00
300.23.9428.7528.600.04
400.25.1235.8229.562.50
500.25.8541.5031.405.05
600.26.4246.2733.497.67
700.26.9350.3835.6210.34
800.27.4154.0137.6913.05
900.27.8957.2639.6915.82
1000.28.4060.2341.6018.63
1100.28.9462.9643.4221.50
1200.29.5265.5045.1524.42
1300.30.1667.8946.8127.41
1400.30.8670.1548.4030.46
1500.31.6272.3149.9233.58
1600.32.4774.3751.3836.78
1700.33.3976.3752.8040.08
1800.34.4178.3154.1643.46
1900.35.5380.2055.4846.96
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1900.35.3380.1955.4846.94
2000.36.8882.0456.7650.56
2100.38.0683.8758.0154.30
2200.39.1885.6759.2358.17
2300.40.4487.4360.4262.14
2400.41.9789.1961.5866.26
2500.43.8490.9462.7270.55
2600.46.0992.7063.8475.04
2700.48.7094.4964.9479.78
2800.51.6496.3166.0384.79

References

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