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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 (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 1809. - 3133.345
A 46.02400
B -1.884667×10-8
C 6.094750×10-9
D -6.640301×10-10
E -8.246121×10-9
F -10.80543
G 72.54094
H 12.39502
ReferenceChase, 1998
Comment Data last reviewed in March, 1978
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1809.46.0299.8266.6260.06
1900.46.02102.168.2764.25
2000.46.02104.470.0268.85
2100.46.02106.771.7173.45
2200.46.02108.873.3578.05
2300.46.02110.974.9482.65
2400.46.02112.876.4887.26
2500.46.02114.777.9791.86
2600.46.02116.579.4296.46
2700.46.02118.380.82101.1
2800.46.02119.982.19105.7
2900.46.02121.583.52110.3
3000.46.02123.184.81114.9
3100.46.02124.686.07119.5

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