cobalt difluoride
- Formula: CoF2
- Molecular weight: 96.930001
- CAS Registry Number: 10026-17-2
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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 (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 1400. - 3000. |
|---|---|
| A | 104.6000 |
| B | 1.038398×10-9 |
| C | -6.065629×10-10 |
| D | 1.089275×10-10 |
| E | 2.738972×10-11 |
| F | -668.8793 |
| G | 212.8204 |
| H | -637.6918 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in June, 1970 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 1400. | 104.6 | 248.0 | 165.7 | 115.3 |
| 1500. | 104.6 | 255.2 | 171.4 | 125.7 |
| 1600. | 104.6 | 262.0 | 176.9 | 136.2 |
| 1700. | 104.6 | 268.3 | 182.1 | 146.6 |
| 1800. | 104.6 | 274.3 | 187.0 | 157.1 |
| 1900. | 104.6 | 280.0 | 191.8 | 167.6 |
| 2000. | 104.6 | 285.3 | 196.3 | 178.0 |
| 2100. | 104.6 | 290.4 | 200.7 | 188.5 |
| 2200. | 104.6 | 295.3 | 204.9 | 198.9 |
| 2300. | 104.6 | 299.9 | 208.9 | 209.4 |
| 2400. | 104.6 | 304.4 | 212.8 | 219.9 |
| 2500. | 104.6 | 308.7 | 216.5 | 230.3 |
| 2600. | 104.6 | 312.8 | 220.2 | 240.8 |
| 2700. | 104.6 | 316.7 | 223.7 | 251.2 |
| 2800. | 104.6 | 320.5 | 227.1 | 261.7 |
| 2900. | 104.6 | 324.2 | 230.3 | 272.2 |
| 3000. | 104.6 | 327.7 | 233.5 | 282.6 |
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
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