Beryllium tungsten oxide
- Formula: BeO4W
- Molecular weight: 256.85
- CAS Registry Number: 18304-19-3
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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. - 2000. |
|---|---|
| A | 104.7950 |
| B | 60.43328 |
| C | -13.11713 |
| D | 3.120344 |
| E | -2.179488 |
| F | -1554.536 |
| G | 185.3115 |
| H | -1513.353 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in March, 1967 |
| 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. | 97.18 | 88.17 | 88.39 | -0.07 |
| 300. | 97.61 | 88.82 | 88.39 | 0.13 |
| 400. | 113.4 | 119.3 | 92.39 | 10.76 |
| 500. | 123.4 | 145.7 | 100.5 | 22.63 |
| 600. | 131.0 | 168.9 | 110.0 | 35.36 |
| 700. | 137.3 | 189.6 | 119.9 | 48.78 |
| 800. | 142.9 | 208.3 | 129.8 | 62.80 |
| 900. | 148.1 | 225.5 | 139.5 | 77.35 |
| 1000. | 153.1 | 241.3 | 148.9 | 92.42 |
| 1100. | 157.8 | 256.1 | 158.0 | 108.0 |
| 1200. | 162.3 | 270.0 | 166.7 | 124.0 |
| 1300. | 166.8 | 283.2 | 175.2 | 140.4 |
| 1400. | 171.1 | 295.7 | 183.4 | 157.3 |
| 1500. | 175.5 | 307.7 | 191.3 | 174.6 |
| 1600. | 179.8 | 319.2 | 198.9 | 192.4 |
| 1700. | 184.2 | 330.2 | 206.3 | 210.6 |
| 1800. | 188.6 | 340.8 | 213.5 | 229.3 |
| 1900. | 193.1 | 351.2 | 220.5 | 248.3 |
| 2000. | 197.6 | 361.2 | 227.2 | 267.9 |
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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