dialuminium magnesium tetraoxide
- Formula: Al2MgO4
- Molecular weight: 142.2657
- CAS Registry Number: 12068-51-8
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Liquid Phase Heat Capacity (Shomate Equation)
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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) | 2408. - 4000. |
|---|---|
| A | 219.6604 |
| B | 0.000000 |
| C | 0.000000 |
| D | 0.000000 |
| E | 0.000000 |
| F | -2235.210 |
| G | 336.8287 |
| H | -2106.531 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in December, 1979 |
| Temperature (K) |
Cp (J/mol*K) |
S° (J/mol*K) |
-(G° - H°298.15)/T (J/mol*K) |
H° - H°298.15 (kJ/mol) |
|---|---|---|---|---|
| 2408. | 219.7 | 529.9 | 363.6 | 400.3 |
| 2500. | 219.7 | 538.1 | 369.9 | 420.5 |
| 2600. | 219.7 | 546.7 | 376.5 | 442.4 |
| 2700. | 219.7 | 555.0 | 383.0 | 464.4 |
| 2800. | 219.7 | 563.0 | 389.3 | 486.4 |
| 2900. | 219.7 | 570.7 | 395.4 | 508.3 |
| 3000. | 219.7 | 578.2 | 401.4 | 530.3 |
| 3100. | 219.7 | 585.4 | 407.2 | 552.3 |
| 3200. | 219.7 | 592.3 | 412.9 | 574.2 |
| 3300. | 219.7 | 599.1 | 418.4 | 596.2 |
| 3400. | 219.7 | 605.6 | 423.8 | 618.2 |
| 3500. | 219.7 | 612.0 | 429.1 | 640.1 |
| 3600. | 219.7 | 618.2 | 434.3 | 662.1 |
| 3700. | 219.7 | 624.2 | 439.3 | 684.1 |
| 3800. | 219.7 | 630.1 | 444.3 | 706.0 |
| 3900. | 219.7 | 635.8 | 449.1 | 728.0 |
| 4000. | 219.7 | 641.3 | 453.9 | 750.0 |
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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