fH°fG°| Cryolite, Alpha (Na3AlF6) | Al1F6Na3(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. | 0. | INFINITE | -38.095 | -3304.649 | -3304.649 | INFINITE | |||||||
| 100 | 100.039 | 62.287 | 402.572 | -34.028 | -3313.806 | -3261.080 | 1703.414 | |||||||
| 200 | 179.033 | 159.302 | 257.165 | -19.573 | -3317.306 | -3206.528 | 837.459 | |||||||
| 298.15 | 215.727 | 238.467 | 238.467 | 0. | -3316.908 | -3152.168 | 552.247 | |||||||
| 300 | 216.212 | 239.803 | 238.471 | 0.400 | -3316.883 | -3151.146 | 548.663 | |||||||
| 400 | 236.379 | 305.007 | 247.223 | 23.114 | -3323.200 | -3095.511 | 404.232 | |||||||
| 500 | 248.634 | 358.934 | 264.326 | 47.304 | -3321.044 | -3038.816 | 317.463 | |||||||
| 600 | 262.793 | 405.519 | 284.058 | 72.876 | -3317.675 | -2982.666 | 259.664 | |||||||
| 700 | 276.822 | 447.083 | 304.429 | 99.858 | -3313.053 | -2927.179 | 218.429 | |||||||
| 800 | 290.780 | 484.959 | 324.661 | 128.238 | -3307.209 | -2872.439 | 187.551 | |||||||
| 836.000 | 295.809 | 497.868 | 331.843 | 138.797 | ALPHA <--> BETA | |||||||||
| 900 | 304.691 | 520.012 | 344.443 | 158.013 | 3300.200 2818.502 163.582 | |||||||||
| 1000 | 318.582 | 552.834 | 363.657 | 189.176 | -3302.683 | -2764.645 | 144.410 | |||||||
| 1100 | 332.461 | 583.849 | 382.277 | 221.729 | -3293.191 | -2711.290 | 128.748 | |||||||
| 1200 | 346.310 | 613.371 | 400.315 | 255.668 | -3572.796 | -2651.533 | 115.418 | |||||||
| PREVIOUS: December 1968 | CURRENT: December 1979 | |||||||||||||
| Cryolite, Alpha (Na3AlF6) | Al1F6Na3(cr) | |||||||||||||
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