iron dichloride
- Formula: Cl2Fe
- Molecular weight: 126.751
- CAS Registry Number: 7758-94-3
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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) | 950. - 2000. |
|---|---|
| A | 102.1733 |
| B | -1.078819×10-8 |
| C | 8.424401×10-9 |
| D | -2.096737×10-9 |
| E | -1.846362×10-10 |
| F | -341.7989 |
| G | 263.5225 |
| H | -311.3365 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 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) |
|---|---|---|---|---|
| 950. | 102.2 | 258.3 | 188.2 | 66.60 |
| 1000. | 102.2 | 263.5 | 191.8 | 71.71 |
| 1100. | 102.2 | 273.3 | 198.8 | 81.93 |
| 1200. | 102.2 | 282.2 | 205.4 | 92.15 |
| 1300. | 102.2 | 290.3 | 211.6 | 102.4 |
| 1400. | 102.2 | 297.9 | 217.5 | 112.6 |
| 1500. | 102.2 | 305.0 | 223.1 | 122.8 |
| 1600. | 102.2 | 311.5 | 228.4 | 133.0 |
| 1700. | 102.2 | 317.7 | 233.5 | 143.2 |
| 1800. | 102.2 | 323.6 | 238.3 | 153.4 |
| 1900. | 102.2 | 329.1 | 243.0 | 163.7 |
| 2000. | 102.2 | 334.3 | 247.4 | 173.9 |
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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