barium iodide
- Formula: BaI2
- Molecular weight: 391.136
- CAS Registry Number: 13718-50-8
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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.
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| Temperature (K) | 298. - 984. |
|---|---|
| A | 73.11875 |
| B | 15.12340 |
| C | 5.007997 |
| D | -1.627769 |
| E | -0.048376 |
| F | -628.1021 |
| G | 248.6359 |
| H | -605.4248 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in June, 1974 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 298. | 77.48 | 165.1 | 165.1 | -0.01 |
| 300. | 77.53 | 165.6 | 165.1 | 0.14 |
| 400. | 79.56 | 188.2 | 168.2 | 8.00 |
| 500. | 81.54 | 206.2 | 174.1 | 16.05 |
| 600. | 83.51 | 221.2 | 180.7 | 24.30 |
| 700. | 85.50 | 234.2 | 187.4 | 32.76 |
| 800. | 87.51 | 245.8 | 194.0 | 41.41 |
| 900. | 89.54 | 256.2 | 200.4 | 50.26 |
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
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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