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calcium sulphide


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.

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Temperature (K) 298. - 3000.
A 48.60260
B 7.280161
C -1.933724
D 0.329739
E -0.289224
F -488.9966
G 111.6450
H -473.2104
ReferenceChase, 1998
Comment Data last reviewed in September, 1977
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.47.3556.5256.60-0.03
300.47.4156.8456.600.07
400.49.4270.7858.484.92
500.50.6481.9562.099.93
600.51.5491.2666.2015.04
700.52.2799.2670.3620.23
800.52.91106.374.4225.49
900.53.47112.678.3230.81
1000.53.99118.282.0336.18
1100.54.47123.485.5641.61
1200.54.92128.188.9147.08
1300.55.35132.692.1052.59
1400.55.76136.795.1458.15
1500.56.16140.598.0463.74
1600.56.54144.2100.869.38
1700.56.91147.6103.575.05
1800.57.28150.9106.080.76
1900.57.64154.0108.486.50
2000.57.99156.9110.892.29
2100.58.35159.8113.198.10
2200.58.71162.5115.3104.0
2300.59.07165.1117.4109.8
2400.59.44167.6119.4115.8
2500.59.82170.1121.4121.7
2600.60.21172.4123.3127.7
2700.60.61174.7125.2133.8
2800.61.03176.9127.0139.9
2900.61.46179.1128.7146.0
3000.61.91181.2130.4152.2

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

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