zirconium dioxide
- Formula: O2Zr
- Molecular weight: 123.223
- CAS Registry Number: 1314-23-4
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Gas 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) | 5000. - 6000. |
|---|---|
| A | 13.85430 |
| B | 0.032608 |
| C | -0.006794 |
| D | 0.000480 |
| E | -0.439971 |
| F | -73.80581 |
| G | 80.23939 |
| H | -68.40019 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 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) |
|---|---|---|---|---|
| 5000. | 13.89 | 102.6 | 89.81 | 64.15 |
| 5100. | 13.89 | 102.9 | 90.07 | 65.54 |
| 5200. | 13.89 | 103.2 | 90.32 | 66.93 |
| 5300. | 13.89 | 103.5 | 90.56 | 68.32 |
| 5400. | 13.89 | 103.7 | 90.80 | 69.71 |
| 5500. | 13.89 | 104.0 | 91.04 | 71.10 |
| 5600. | 13.89 | 104.2 | 91.27 | 72.49 |
| 5700. | 13.89 | 104.5 | 91.50 | 73.88 |
| 5800. | 13.90 | 104.7 | 91.73 | 75.27 |
| 5900. | 13.90 | 104.9 | 91.95 | 76.66 |
| 6000. | 13.90 | 105.2 | 92.17 | 78.05 |
References
Go To: Top, Gas 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, Gas Phase Heat Capacity (Shomate Equation), References
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