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

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Temperature (K) 3200. - 4500.
A 15.00000
B 1.106521×10-7
C -2.610032×10-8
D 2.143000×10-9
E 1.554651×10-7
F -141.4450
G 27.93760
H -133.2060
ReferenceChase, 1998
Comment Data last reviewed in June, 1973
Temperature
(K)
Cp
(cal/mol*K)

(cal/mol*K)
-(G° - H°298.15)/T
(cal/mol*K)
H° - H°298.15
(kcal/mol)
3200.15.0045.3832.9639.76
3300.15.0045.8533.3441.26
3400.15.0046.2933.7242.76
3500.15.0046.7334.0844.26
3600.15.0047.1534.4445.76
3700.15.0047.5634.7947.26
3800.15.0047.9635.1348.76
3900.15.0048.3535.4650.26
4000.15.0048.7335.7951.76
4100.15.0049.1036.1153.26
4200.15.0049.4636.4354.76
4300.15.0049.8236.7356.26
4400.15.0050.1637.0357.76
4500.15.0050.5037.3359.26

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