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Sodium hydride


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. - 1500.
A 22.24729
B 71.68112
C -43.55126
D 9.435674
E -0.321076
F -66.96785
G 45.62610
H -56.44216
ReferenceChase, 1998
Comment Data last reviewed in March, 1963
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.36.3740.0140.01-0.00
300.36.5240.2540.020.07
400.42.5551.6341.534.04
500.47.1061.6444.578.53
600.50.7270.5648.1713.43
700.53.6778.6051.9518.65
800.56.0585.9355.7524.14
900.57.9792.6559.4829.85
1000.59.4998.8463.1135.73
1100.60.69104.666.6241.74
1200.61.63109.970.0147.85
1300.62.37114.973.2754.06
1400.62.97119.576.4160.32
1500.63.48123.979.4366.65

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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