zirconium dioxide
- Formula: O2Zr
- Molecular weight: 123.223
- CAS Registry Number: 1314-23-4
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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 (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 2950. to 5000. |
|---|---|
| A | 20.99993 |
| B | 0.000034 |
| C | -0.000006 |
| D | 4.321941×10-7 |
| E | 0.000094 |
| F | -255.2103 |
| G | 36.57768 |
| H | -244.5411 |
| 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) |
|---|---|---|---|---|
| 2950. | 21.00 | 59.30 | 41.91 | 51.28 |
| 3000. | 21.00 | 59.65 | 42.20 | 52.33 |
| 3100. | 21.00 | 60.34 | 42.78 | 54.43 |
| 3200. | 21.00 | 61.00 | 43.34 | 56.53 |
| 3300. | 21.00 | 61.65 | 43.88 | 58.63 |
| 3400. | 21.00 | 62.28 | 44.42 | 60.73 |
| 3500. | 21.00 | 62.89 | 44.93 | 62.83 |
| 3600. | 21.00 | 63.48 | 45.44 | 64.93 |
| 3700. | 21.00 | 64.05 | 45.94 | 67.03 |
| 3800. | 21.00 | 64.61 | 46.42 | 69.13 |
| 3900. | 21.00 | 65.16 | 46.89 | 71.23 |
| 4000. | 21.00 | 65.69 | 47.36 | 73.33 |
| 4100. | 21.00 | 66.21 | 47.81 | 75.43 |
| 4200. | 21.00 | 66.71 | 48.25 | 77.53 |
| 4300. | 21.00 | 67.21 | 48.69 | 79.63 |
| 4400. | 21.00 | 67.69 | 49.12 | 81.73 |
| 4500. | 21.00 | 68.16 | 49.53 | 83.83 |
| 4600. | 21.00 | 68.62 | 49.94 | 85.93 |
| 4700. | 21.00 | 69.08 | 50.35 | 88.03 |
| 4800. | 21.00 | 69.52 | 50.74 | 90.13 |
| 4900. | 21.00 | 69.95 | 51.13 | 92.23 |
| 5000. | 21.00 | 70.38 | 51.51 | 94.33 |
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
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