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calcium oxide


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) 3200. - 4500.
A 62.76000
B 4.629681×10-7
C -1.092037×10-7
D 8.966312×10-9
E 6.504656×10-7
F -591.8059
G 116.8909
H -557.3339
ReferenceChase, 1998
Comment Data last reviewed in June, 1973
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
3200.62.76189.9137.9166.4
3300.62.76191.8139.5172.6
3400.62.76193.7141.1178.9
3500.62.76195.5142.6185.2
3600.62.76197.3144.1191.5
3700.62.76199.0145.6197.7
3800.62.76200.7147.0204.0
3900.62.76202.3148.4210.3
4000.62.76203.9149.8216.6
4100.62.76205.4151.1222.8
4200.62.76207.0152.4229.1
4300.62.76208.4153.7235.4
4400.62.76209.9155.0241.7
4500.62.76211.3156.2247.9

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