beryllium chloride
- Formula: BeCl2
- Molecular weight: 79.918
- CAS Registry Number: 7787-47-5
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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. to 688. | 298. to 688. |
|---|---|---|
| A | 57.52260 | -2.666730 |
| B | 48.35270 | 325.9030 |
| C | -28.26600 | -439.9610 |
| D | 5.565141 | 206.4320 |
| E | -0.635258 | 0.354212 |
| F | -517.4160 | -499.9580 |
| G | 128.6330 | 1.985951 |
| H | -496.2220 | -490.9300 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | β phase; Data last reviewed in June, 1965 | α phase; Data last reviewed in June, 1965 |
| 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. | 62.42 | 75.77 | 75.81 | -0.01 |
| 300. | 62.58 | 76.19 | 75.81 | 0.11 |
| 400. | 68.73 | 95.11 | 78.35 | 6.70 |
| 500. | 72.79 | 110.9 | 83.32 | 13.79 |
| 600. | 75.80 | 124.5 | 89.08 | 21.23 |
| 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. | 64.83 | 82.63 | 82.67 | -0.01 |
| 300. | 65.02 | 83.06 | 82.68 | 0.12 |
| 400. | 72.73 | 102.9 | 85.32 | 7.03 |
| 500. | 77.52 | 119.7 | 90.56 | 14.56 |
| 600. | 80.06 | 134.1 | 96.64 | 22.46 |
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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