iron dibromide
- Formula: Br2Fe
- Molecular weight: 215.653
- CAS Registry Number: 7789-46-0
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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) | 964. - 2000. |
|---|---|
| A | 106.6920 |
| B | 6.840883×10-9 |
| C | -5.250168×10-9 |
| D | 1.286200×10-9 |
| E | 1.205829×10-10 |
| F | -242.8155 |
| G | 298.4903 |
| H | -211.0054 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in September, 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) |
|---|---|---|---|---|
| 964. | 106.7 | 294.6 | 220.9 | 71.04 |
| 1000. | 106.7 | 298.5 | 223.6 | 74.88 |
| 1100. | 106.7 | 308.7 | 230.9 | 85.55 |
| 1200. | 106.7 | 317.9 | 237.8 | 96.22 |
| 1300. | 106.7 | 326.5 | 244.3 | 106.9 |
| 1400. | 106.7 | 334.4 | 250.4 | 117.6 |
| 1500. | 106.7 | 341.8 | 256.3 | 128.2 |
| 1600. | 106.7 | 348.6 | 261.8 | 138.9 |
| 1700. | 106.7 | 355.1 | 267.1 | 149.6 |
| 1800. | 106.7 | 361.2 | 272.2 | 160.2 |
| 1900. | 106.7 | 367.0 | 277.0 | 170.9 |
| 2000. | 106.7 | 372.4 | 281.7 | 181.6 |
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
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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