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Potassium fluoride


Liquid 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) 1131. - 3000.
A 17.20010
B -5.059150×10-11
C 3.130321×10-11
D -5.854871×10-12
E -1.096870×10-12
F -137.6490
G 36.97959
H -132.5210
ReferenceChase, 1998
Comment Data last reviewed in June, 1969
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
1131.17.2039.1026.4314.33
1200.17.2040.1227.1915.51
1300.17.2041.4928.2417.23
1400.17.2042.7729.2318.95
1500.17.2043.9530.1720.67
1600.17.2045.0631.0722.39
1700.17.2046.1131.9224.11
1800.17.2047.0932.7425.83
1900.17.2048.0233.5227.55
2000.17.2048.9034.2729.27
2100.17.2049.7434.9830.99
2200.17.2050.5435.6732.71
2300.17.2051.3136.3434.43
2400.17.2052.0436.9736.15
2500.17.2052.7437.5937.87
2600.17.2053.4138.1939.59
2700.17.2054.0638.7641.31
2800.17.2054.6939.3243.03
2900.17.2055.2939.8644.75
3000.17.2055.8840.3946.47

References

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