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

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Temperature (K) 1728. - 3156.584
A 9.299960
B 0.000000
C 0.000000
D 0.000000
E 0.000000
F -0.650724
G 17.79910
H 4.177591
ReferenceChase, 1998
Comment Data last reviewed in December, 1976
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
1728.9.3022.8916.3811.24
1800.9.3023.2716.6511.91
1900.9.3023.7717.0112.84
2000.9.3024.2517.3613.77
2100.9.3024.7017.7014.70
2200.9.3025.1318.0315.63
2300.9.3025.5518.3416.56
2400.9.3025.9418.6517.49
2500.9.3026.3218.9518.42
2600.9.3026.6919.2419.35
2700.9.3027.0419.5220.28
2800.9.3027.3719.8021.21
2900.9.3027.7020.0722.14
3000.9.3028.0220.3323.07
3100.9.3028.3220.5824.00

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