silicon carbide
- Formula: CSi
- Molecular weight: 40.0962
- CAS Registry Number: 409-21-2
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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.
| Temperature (K) | 298. - 1000. | 1000. - 4000. | 298. - 1100. | 1100. - 4000. |
|---|---|---|---|---|
| A | 20.55859 | 46.90222 | 20.50009 | 48.22227 |
| B | 64.57962 | 5.845968 | 63.37170 | 5.004148 |
| C | -52.98827 | -1.085410 | -49.54023 | -1.037594 |
| D | 16.95813 | 0.093021 | 14.82801 | 0.086339 |
| E | -0.781847 | -3.448876 | -0.759969 | -3.912333 |
| F | -82.73693 | -95.46716 | -84.29337 | -98.46542 |
| G | 19.90848 | 56.97520 | 20.30926 | 57.76221 |
| H | -71.54598 | -71.54598 | -73.22000 | -73.22000 |
| Reference | Chase, 1998 | Chase, 1998 | Chase, 1998 | Chase, 1998 |
| Comment | α phase; Data last reviewed in March, 1966 | α phase; Data last reviewed in March, 1966 | β phase; Data last reviewed in March, 1966 | β phase; Data last reviewed in March, 1966 |
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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
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