fH°fG°| Phosphorus Oxide ((P2O5)2) | O10P4(cr) | |||||||||||||
| Enthalpy Reference Temperature = Tr = 298.15 K | Standard State Pressure = p° = 0.1 MPa | |||||||||||||
| J·K-1 mol-1 | kJ·mol-1 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T/K | Cp° | S° | -[G°-H°(Tr)]/T | H-H°(Tr) | fH° |
fG° |
log Kf | |||||||
| 0 | 0.000 | 0.000 | INFINITE | -33.962 | -2979.041 | -2979.041 | INFINITE | |||||||
| 100 | 77.613 | 77.530 | 376.309 | -29.878 | -2993.030 | -2907.054 | 1518.489 | |||||||
| 200 | 154.557 | 155.896 | 246.521 | -18.125 | -3004.886 | -2816.879 | 735.693 | |||||||
| 298.15 | 211.710 | 228.781 | 228.781 | 0.000 | -3009.936 | -2723.335 | 477.117 | |||||||
| 300 | 212.673 | 230.094 | 228.785 | 0.393 | -3009.992 | -2721.557 | 473.865 | |||||||
| 400 | 260.245 | 297.978 | 237.719 | 24.104 | -3014.145 | -2624.398 | 342.711 | |||||||
| 500 | 299.993 | 360.390 | 256.096 | 52.147 | -3011.926 | -2527.145 | 264.009 | |||||||
| 600 | 335.975 | 418.323 | 278.362 | 83.977 | -3006.425 | -2430.655 | 211.607 | |||||||
| 700 | 368.192 | 472.581 | 302.272 | 119.216 | -2997.988 | -2335.322 | 174.264 | |||||||
| 800 | 396.643 | 523.641 | 326.783 | 157.486 | -2986.933 | -2241.381 | 146.347 | |||||||
| 900 | 421.747 | 571.849 | 351.360 | 198.440 | -2973.536 | -2148.968 | 124.723 | |||||||
| 1000 | 442.667 | 617.389 | 375.707 | 241.682 | -2958.135 | -2058.158 | 107.507 | |||||||
| 1100 | 461.077 | 660.477 | 399.655 | 286.904 | -2940.989 | -1968.976 | 93.499 | |||||||
| 1200 | 475.302 | 701.230 | 423.104 | 333.751 | -3176.705 | -1877.108 | 81.708 | |||||||
| 1300 | 486.181 | 739.718 | 445.993 | 381.843 | -3153.960 | -1769.725 | 71.108 | |||||||
| 1400 | 494.967 | 776.080 | 468.284 | 430.914 | -3130.407 | -1664.124 | 62.089 | |||||||
| 1500 | 502.080 | 810.481 | 489.961 | 480.780 | -3106.213 | -1560.231 | 54.332 | |||||||
| PREVIOUS: December 1962 | CURRENT: December 1965 | |||||||||||||
| Phosphorus Oxide ((P2O5)2) | O10P4(cr) | |||||||||||||
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