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sodium fluoride


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. - 1269.
A 53.00220
B -5.952150
C 12.56350
D 0.378227
E -0.489113
F -592.6740
G 113.8140
H -575.3840
ReferenceChase, 1998
Comment Data last reviewed in December, 1968
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.46.8551.1951.21-0.01
300.46.9251.5051.210.09
400.49.6065.4153.094.93
500.51.2676.6656.719.97
600.52.6886.1460.8515.17
700.54.1294.3665.0620.51
800.55.71101.769.1926.00
900.57.49108.473.1831.66
1000.59.50114.577.0137.51
1100.61.76120.380.6843.57
1200.64.26125.884.2149.87

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