magnesium dititanate


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. - 1963.
A 167.2157
B 44.15543
C -3.022325
D 0.427546
E -2.961343
F -2571.101
G 308.2110
H -2509.358
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)
298.146.8135.5135.6-0.04
300.147.3136.5135.60.25
400.165.9181.7141.616.02
500.176.7219.9153.633.19
600.184.5252.9167.451.27
700.190.7281.8181.870.04
800.196.2307.6195.989.39
900.201.2331.0209.6109.3
1000.205.8352.5222.9129.6
1100.210.3372.3235.6150.4
1200.214.5390.8247.7171.7
1300.218.7408.1259.4193.3
1400.222.8424.5270.6215.4
1500.226.8440.0281.4237.9
1600.230.7454.7291.8260.7
1700.234.6468.8301.8284.0
1800.238.5482.4311.4307.7
1900.242.3495.4320.8331.7

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

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