calcium

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Solid 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.

View table.

Temperature (K) 298. to 1100.298. to 716.716. to 1115.
A 19.7751711.11735-40.63785
B 10.1081338.52364126.7765
C 14.50338-8.891419-69.73891
D -5.529491-9.61830517.93162
E 0.1780310.3918505.409494
F -5.862997-2.56350324.49192
G 62.9160647.71852-15.67297
H 0.0000001.0560011.056001
ReferenceChase, 1998Chase, 1998Chase, 1998
Comment α phase; Data last reviewed in September, 1983 β phase; Data last reviewed in September, 1983 β phase; Data last reviewed in September, 1983

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References

Go To: Top, Solid 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, Solid Phase Heat Capacity (Shomate Equation), References