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 (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 298. - 688. | 298. - 688. |
|---|---|---|
| A | 13.74823 | -0.637364 |
| B | 11.55657 | 77.89269 |
| C | -6.755737 | -105.1532 |
| D | 1.330101 | 49.33843 |
| E | -0.151830 | 0.084659 |
| F | -123.6654 | -119.4928 |
| G | 30.74403 | 0.474653 |
| H | -118.5999 | -117.3351 |
| 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 (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 298. | 14.92 | 18.11 | 18.12 | -0.00 |
| 300. | 14.96 | 18.21 | 18.12 | 0.03 |
| 400. | 16.43 | 22.73 | 18.73 | 1.60 |
| 500. | 17.40 | 26.51 | 19.92 | 3.30 |
| 600. | 18.12 | 29.75 | 21.29 | 5.07 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 298. | 15.50 | 19.75 | 19.76 | -0.00 |
| 300. | 15.54 | 19.85 | 19.76 | 0.03 |
| 400. | 17.38 | 24.59 | 20.39 | 1.68 |
| 500. | 18.53 | 28.61 | 21.64 | 3.48 |
| 600. | 19.14 | 32.04 | 23.10 | 5.37 |
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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