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molybdenum


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) 4951.969 - 6000.
A 16.23530
B -9.688571
C 2.789530
D -0.195849
E -5.291671
F 143.6000
G 55.37070
H 157.5000
ReferenceChase, 1998
Comment Data last reviewed in March, 1978
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
4952.12.6659.7553.2432.24
5000.12.8459.8753.3032.86
5100.13.2060.1353.4334.16
5200.13.5560.3953.5635.50
5300.13.9060.6553.6936.87
5400.14.2460.9153.8338.28
5500.14.5761.1853.9639.72
5600.14.9061.4454.0941.19
5700.15.2161.7154.2242.69
5800.15.5161.9854.3544.23
5900.15.8062.2554.4845.80
6000.16.0862.5154.6147.39

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