beryllium oxide
- Formula: BeO
- Molecular weight: 25.0116
- IUPAC Standard InChI: InChI=1S/Be.O
- IUPAC Standard InChIKey: LTPBRCUWZOMYOC-UHFFFAOYSA-N
- CAS Registry Number: 1304-56-9
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Beryllium monoxide
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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) | 2780. - 5000. |
|---|---|
| A | 79.49600 |
| B | 7.057823×10-8 |
| C | -1.617753×10-8 |
| D | 1.275735×10-9 |
| E | 9.949218×10-8 |
| F | -616.9559 |
| G | 66.38334 |
| H | -542.7066 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in June, 1975 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 2780. | 79.50 | 147.7 | 94.88 | 146.7 |
| 2800. | 79.50 | 148.2 | 95.26 | 148.3 |
| 2900. | 79.50 | 151.0 | 97.13 | 156.3 |
| 3000. | 79.50 | 153.7 | 98.97 | 164.2 |
| 3100. | 79.50 | 156.3 | 100.8 | 172.2 |
| 3200. | 79.50 | 158.8 | 102.6 | 180.1 |
| 3300. | 79.50 | 161.3 | 104.3 | 188.1 |
| 3400. | 79.50 | 163.7 | 106.0 | 196.0 |
| 3500. | 79.50 | 166.0 | 107.7 | 204.0 |
| 3600. | 79.50 | 168.2 | 109.3 | 211.9 |
| 3700. | 79.50 | 170.4 | 111.0 | 219.9 |
| 3800. | 79.50 | 172.5 | 112.6 | 227.8 |
| 3900. | 79.50 | 174.6 | 114.1 | 235.8 |
| 4000. | 79.50 | 176.6 | 115.7 | 243.7 |
| 4100. | 79.50 | 178.6 | 117.2 | 251.7 |
| 4200. | 79.50 | 180.5 | 118.6 | 259.6 |
| 4300. | 79.50 | 182.3 | 120.1 | 267.6 |
| 4400. | 79.50 | 184.2 | 121.5 | 275.5 |
| 4500. | 79.50 | 186.0 | 123.0 | 283.5 |
| 4600. | 79.50 | 187.7 | 124.3 | 291.4 |
| 4700. | 79.50 | 189.4 | 125.7 | 299.4 |
| 4800. | 79.50 | 191.1 | 127.1 | 307.3 |
| 4900. | 79.50 | 192.7 | 128.4 | 315.3 |
| 5000. | 79.50 | 194.3 | 129.7 | 323.2 |
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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