dilithium metasilicate


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. - 1474.
A 119.8377
B 41.99397
C -7.954956
D 0.878038
E -2.756776
F -1696.298
G 197.5848
H -1649.500
ReferenceChase, 1998
Comment Data last reviewed in June, 1967
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.100.680.1980.32-0.04
300.101.180.8780.330.16
400.118.2112.684.5111.22
500.127.9140.192.9423.57
600.134.7164.0102.836.71
700.140.0185.2113.150.46
800.144.5204.2123.364.69
900.148.4221.4133.379.34
1000.152.0237.3142.994.36
1100.155.3251.9152.2109.7
1200.158.4265.6161.1125.4
1300.161.3278.4169.6141.4
1400.164.0290.4177.8157.7

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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