dititanium trioxide
- Formula: O3Ti2
- Molecular weight: 143.732
- CAS Registry Number: 1344-54-3
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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 (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 2115. to 3500. |
|---|---|
| A | 37.50000 |
| B | -8.278022×10-8 |
| C | 2.656411×10-8 |
| D | -2.941310×10-9 |
| E | -4.336881×10-8 |
| F | -354.8760 |
| G | 67.12041 |
| H | -339.0201 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in June, 1973 |
| Temperature (K) |
Cp (cal/mol*K) |
S° (cal/mol*K) |
-(G° - H°298.15)/T (cal/mol*K) |
H° - H°298.15 (kcal/mol) |
|---|---|---|---|---|
| 2115. | 37.50 | 95.21 | 65.21 | 63.46 |
| 2200. | 37.50 | 96.69 | 66.39 | 66.64 |
| 2300. | 37.50 | 98.35 | 67.75 | 70.39 |
| 2400. | 37.50 | 99.95 | 69.06 | 74.14 |
| 2500. | 37.50 | 101.5 | 70.32 | 77.89 |
| 2600. | 37.50 | 103.0 | 71.55 | 81.64 |
| 2700. | 37.50 | 104.4 | 72.74 | 85.39 |
| 2800. | 37.50 | 105.7 | 73.89 | 89.14 |
| 2900. | 37.50 | 107.0 | 75.01 | 92.89 |
| 3000. | 37.50 | 108.3 | 76.10 | 96.64 |
| 3100. | 37.50 | 109.5 | 77.16 | 100.4 |
| 3200. | 37.50 | 110.7 | 78.19 | 104.1 |
| 3300. | 37.50 | 111.9 | 79.20 | 107.9 |
| 3400. | 37.50 | 113.0 | 80.18 | 111.6 |
| 3500. | 37.50 | 114.1 | 81.13 | 115.4 |
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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