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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) 2350. - 4137.895
A 7.588440
B 6.109410×10-8
C -1.543211×10-8
D 1.342410×10-9
E 6.467422×10-8
F 6.678311
G 11.22070
H 11.69380
ReferenceChase, 1998
Comment Data last reviewed in June, 1983
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
2350.7.5917.7012.2512.82
2400.7.5917.8612.3713.20
2500.7.5918.1712.5913.96
2600.7.5918.4712.8114.71
2700.7.5918.7613.0315.47
2800.7.5919.0313.2416.23
2900.7.5919.3013.4416.99
3000.7.5919.5613.6417.75
3100.7.5919.8113.8418.51
3200.7.5920.0514.0319.27
3300.7.5920.2814.2120.03
3400.7.5920.5114.3920.79
3500.7.5920.7314.5721.54
3600.7.5920.9414.7522.30
3700.7.5921.1514.9223.06
3800.7.5921.3515.0823.82
3900.7.5921.5515.2524.58
4000.7.5921.7415.4125.34
4100.7.5921.9315.5626.10

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