zirconium carbide
- Formula: CZr
- Molecular weight: 103.235
- CAS Registry Number: 12070-14-3
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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) | 3805. - 6000. |
|---|---|
| A | 62.76000 |
| B | -2.983816×10-7 |
| C | 5.523508×10-8 |
| D | -3.538477×10-9 |
| E | -8.337248×10-7 |
| F | -156.7264 |
| G | 104.8268 |
| H | -118.8771 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1964 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 3805. | 62.76 | 188.7 | 135.9 | 201.0 |
| 3900. | 62.76 | 190.2 | 137.2 | 206.9 |
| 4000. | 62.76 | 191.8 | 138.5 | 213.2 |
| 4100. | 62.76 | 193.4 | 139.9 | 219.5 |
| 4200. | 62.76 | 194.9 | 141.1 | 225.7 |
| 4300. | 62.76 | 196.4 | 142.4 | 232.0 |
| 4400. | 62.76 | 197.8 | 143.7 | 238.3 |
| 4500. | 62.76 | 199.2 | 144.9 | 244.6 |
| 4600. | 62.76 | 200.6 | 146.1 | 250.8 |
| 4700. | 62.76 | 202.0 | 147.2 | 257.1 |
| 4800. | 62.76 | 203.3 | 148.4 | 263.4 |
| 4900. | 62.76 | 204.6 | 149.5 | 269.7 |
| 5000. | 62.76 | 205.8 | 150.6 | 276.0 |
| 5100. | 62.76 | 207.1 | 151.7 | 282.2 |
| 5200. | 62.76 | 208.3 | 152.8 | 288.5 |
| 5300. | 62.76 | 209.5 | 153.9 | 294.8 |
| 5400. | 62.76 | 210.7 | 154.9 | 301.1 |
| 5500. | 62.76 | 211.8 | 155.9 | 307.3 |
| 5600. | 62.76 | 212.9 | 156.9 | 313.6 |
| 5700. | 62.76 | 214.1 | 157.9 | 319.9 |
| 5800. | 62.76 | 215.1 | 158.9 | 326.2 |
| 5900. | 62.76 | 216.2 | 159.9 | 332.4 |
| 6000. | 62.76 | 217.3 | 160.8 | 338.7 |
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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