mullite


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. - 1700.1700. - 3000.
A 329.8565691.7784
B 386.1485-125.2518
C -254.575144.19434
D 61.34539-3.971086
E -8.782468-113.6717
F -6962.302-7253.173
G 519.6737854.0423
H -6819.209-6819.209
ReferenceChase, 1998Chase, 1998
Comment mullite phase; Data last reviewed in September, 1967 mullite phase; Data last reviewed in September, 1967
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
298.325.0274.1275.1-0.30
300.326.9276.3275.10.35
400.392.6380.3288.636.66
500.431.8472.4316.478.02
600.458.8553.7349.3122.6
700.478.5625.9383.7169.5
800.493.5690.9418.1218.2
900.505.1749.7451.8268.1
1000.514.0803.4484.3319.1
1100.521.0852.7515.6370.9
1200.526.6898.3545.6423.2
1300.531.2940.6574.4476.1
1400.535.3980.1601.9529.5
1500.539.41017.628.4583.2
1600.543.81052.653.8637.4
1700.548.91085.678.2692.0
Temperature
(K)
Cp
(J/mol*K)

(J/mol*K)
-(G° - H°298.15)/T
(J/mol*K)
H° - H°298.15
(kJ/mol)
1700.547.71085.678.1692.0
1800.551.31117.701.6747.0
1900.554.61147.724.3802.3
2000.557.91175.746.1857.9
2100.561.11202.767.2913.8
2200.564.41229.787.6970.1
2300.567.71254.807.31027.
2400.571.11278.826.41084.
2500.574.61301.844.91141.
2600.578.31324.862.91199.
2700.582.01346.880.41257.
2800.585.91367.897.41315.
2900.589.91388.914.01374.
3000.593.91408.930.11433.

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