beryllium acetylide
- Formula: CBe2
- Molecular weight: 30.0351
- CAS Registry Number: 506-66-1
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Liquid Phase Heat Capacity (Shomate Equation)
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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) | 2400. - 3500. |
|---|---|
| A | 92.04790 |
| B | 0.000092 |
| C | -0.000027 |
| D | 0.000003 |
| E | 0.000044 |
| F | -72.68010 |
| G | 109.0320 |
| H | -15.89260 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in June, 1963 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 2400. | 92.05 | 189.6 | 121.2 | 164.1 |
| 2500. | 92.05 | 193.4 | 124.0 | 173.3 |
| 2600. | 92.05 | 197.0 | 126.8 | 182.5 |
| 2700. | 92.05 | 200.5 | 129.4 | 191.7 |
| 2800. | 92.05 | 203.8 | 132.0 | 200.9 |
| 2900. | 92.05 | 207.0 | 134.6 | 210.2 |
| 3000. | 92.05 | 210.2 | 137.0 | 219.4 |
| 3100. | 92.05 | 213.2 | 139.4 | 228.6 |
| 3200. | 92.05 | 216.1 | 141.8 | 237.8 |
| 3300. | 92.05 | 218.9 | 144.1 | 247.0 |
| 3400. | 92.05 | 221.7 | 146.3 | 256.2 |
| 3500. | 92.05 | 224.3 | 148.5 | 265.4 |
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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