Tungsten chloride
- Formula: Cl2W
- Molecular weight: 254.75
- CAS Registry Number: 13470-12-7
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Solid 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 (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. - 2000. |
|---|---|
| A | 71.27235 |
| B | 21.94048 |
| C | -0.030788 |
| D | 0.005260 |
| E | 0.001067 |
| F | -279.5381 |
| G | 210.2556 |
| H | -257.3164 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1966 |
| 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. | 77.82 | 130.5 | 130.5 | -0.01 |
| 300. | 77.86 | 131.0 | 130.5 | 0.14 |
| 400. | 80.05 | 153.7 | 133.6 | 8.04 |
| 500. | 82.24 | 171.8 | 139.5 | 16.15 |
| 600. | 84.43 | 187.0 | 146.2 | 24.49 |
| 700. | 86.62 | 200.2 | 153.0 | 33.04 |
| 800. | 88.81 | 211.9 | 159.6 | 41.81 |
| 900. | 91.00 | 222.5 | 166.0 | 50.80 |
| 1000. | 93.19 | 232.2 | 172.2 | 60.01 |
| 1100. | 95.38 | 241.2 | 178.0 | 69.44 |
| 1200. | 97.57 | 249.6 | 183.7 | 79.09 |
| 1300. | 99.76 | 257.5 | 189.0 | 88.95 |
| 1400. | 101.9 | 264.9 | 194.2 | 99.04 |
| 1500. | 104.1 | 272.0 | 199.1 | 109.3 |
| 1600. | 106.3 | 278.8 | 203.9 | 119.9 |
| 1700. | 108.5 | 285.3 | 208.5 | 130.6 |
| 1800. | 110.7 | 291.6 | 213.0 | 141.6 |
| 1900. | 112.9 | 297.6 | 217.3 | 152.7 |
| 2000. | 115.1 | 303.5 | 221.4 | 164.1 |
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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