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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) 1728. - 3156.584
A 38.91103
B 0.000000
C 0.000000
D 0.000000
E 0.000000
F -2.722630
G 74.47143
H 17.47904
ReferenceChase, 1998
Comment 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)
1728.38.9195.7568.5347.04
1800.38.9197.3469.6549.84
1900.38.9199.4571.1753.73
2000.38.91101.472.6357.62
2100.38.91103.374.0561.51
2200.38.91105.275.4265.40
2300.38.91106.976.7569.29
2400.38.91108.578.0473.18
2500.38.91110.179.2977.08
2600.38.91111.780.5180.97
2700.38.91113.181.6984.86
2800.38.91114.582.8488.75
2900.38.91115.983.9692.64
3000.38.91117.285.0496.53
3100.38.91118.586.10100.4

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