Tungsten pentabromide
- Formula: Br5W
- Molecular weight: 583.36
- CAS Registry Number: 13470-11-6
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Liquid Phase Heat Capacity (Shomate Equation)
Go To: Top, References, Notes
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 (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 559. to 1000. |
|---|---|
| A | 43.50000 |
| B | 0.000000 |
| C | 0.000000 |
| D | 0.000000 |
| E | 0.000000 |
| F | -84.20741 |
| G | 122.7520 |
| H | -71.23791 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in June, 1967 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 559. | 43.50 | 97.45 | 77.15 | 11.35 |
| 600. | 43.50 | 100.5 | 78.65 | 13.13 |
| 700. | 43.50 | 107.2 | 82.26 | 17.48 |
| 800. | 43.50 | 113.0 | 85.76 | 21.83 |
| 900. | 43.50 | 118.2 | 89.08 | 26.18 |
| 1000. | 43.50 | 122.8 | 92.22 | 30.53 |
References
Go To: Top, Liquid 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, Liquid Phase Heat Capacity (Shomate Equation), References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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