nickel sulphide


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. - 652.652. - 1249.
A 54.9338334.63637
B -27.9579528.39911
C 79.081780.026564
D -46.34784-0.004236
E -0.469746-0.004694
F -105.1862-91.56600
G 122.048599.56832
H -87.86400-87.86400
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in December, 1976 Data last reviewed in December, 1976
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.47.1152.9652.99-0.01
300.47.1953.2753.000.08
400.50.5067.3454.894.98
500.53.0578.8958.5710.16
600.55.3188.7662.7915.58
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
652.53.15103.365.0524.93
700.54.52107.167.8027.51
800.57.36114.673.1933.10
900.60.21121.578.1838.98
1000.63.05128.082.8445.15
1100.65.90134.187.2251.59
1200.68.74140.091.3858.33

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

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