fH°fG°| Cryolite (Na3AlF6) | Al1F6Na3(cr,l) | |||||||||||||
| 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 | |||||||||
| 836.000 | 261.500 | 509.179 | 331.843 | 148.253 | TRANSITION | |||||||||
| 900 | 271.458 | 528.831 | 345.157 | 165.307 | -3292.905 | -2819.145 | 163.619 | |||||||
| 1000 | 287.148 | 558.243 | 365.007 | 193.236 | -3298.624 | -2765.994 | 144.481 | |||||||
| 1100 | 302.963 | 586.352 | 383.860 | 222.741 | -3292.178 | -2713.032 | 128.831 | |||||||
| 1200 | 318.863 | 613.395 | 401.868 | 253.832 | -3574.631 | -2653.397 | 115.499 | |||||||
| 1285.000 | 332.461 | 635.677 | 416.601 | 281.513 | BETA <--> LIQUID | |||||||||
| 1285.000 | 395.514 | 721.311 | 416.601 | 391.552 | TRANSITION | |||||||||
| 1300 | 395.514 | 725.901 | 420.143 | 397.485 | -3451.697 | -2578.392 | 103.601 | |||||||
| 1400 | 395.514 | 755.211 | 443.043 | 437.036 | -3432.929 | -2511.920 | 93.721 | |||||||
| 1500 | 395.514 | 782.499 | 464.774 | 476.588 | -3414.220 | -2446.787 | 85.205 | |||||||
| 1600 | 395.514 | 808.025 | 485.438 | 516.139 | -3395.566 | -2382.900 | 77.794 | |||||||
| 1700 | 395.514 | 832.003 | 505.126 | 555.690 | -3376.962 | -2320.178 | 71.290 | |||||||
| 1800 | 395.514 | 854.610 | 523.920 | 595.242 | -3358.402 | -2258.550 | 65.541 | |||||||
| 1900 | 395.514 | 875.994 | 541.892 | 634.793 | -3339.880 | -2197.953 | 60.426 | |||||||
| 2000 | 395.514 | 896.281 | 559.109 | 674.345 | -3321.387 | -2138.329 | 55.847 | |||||||
| 2100 | 395.514 | 915.578 | 575.628 | 713.896 | -3302.915 | -2079.631 | 51.728 | |||||||
| 2200 | 395.514 | 933.978 | 591.502 | 753.447 | -3284.454 | -2021.812 | 48.004 | |||||||
| 2300 | 395.514 | 951.559 | 606.777 | 792.999 | -3265.996 | -1964.832 | 44.623 | |||||||
| 2400 | 395.514 | 968.392 | 621.496 | 832.550 | -3247.531 | -1908.656 | 41.541 | |||||||
| 2500 | 395.514 | 984.537 | 635.697 | 872.101 | -3229.049 | -1853.249 | 38.722 | |||||||
| 2600 | 395.514 | 1000.050 | 649.414 | 911.653 | -3210.544 | -1798.582 | 36.134 | |||||||
| 2700 | 395.514 | 1014.977 | 662.679 | 951.204 | -3192.008 | -1744.628 | 33.752 | |||||||
| 2800 | 395.514 | 1029.360 | 675.519 | 990.755 | -3467.335 | -1690.393 | 31.535 | |||||||
| 2900 | 395.514 | 1043.240 | 687.961 | 1030.307 | -3447.624 | -1627.278 | 29.310 | |||||||
| 3000 | 395.514 | 1056.648 | 700.029 | 1069.858 | -3427.867 | -1564.845 | 27.246 | |||||||
| PREVIOUS: | CURRENT: December 1979 | |||||||||||||
| Cryolite (Na3AlF6) | Al1F6Na3(cr,l) | |||||||||||||
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