fH°fG°| Magnesium Silicate (Mg2SiO4) | Mg2O4Si1(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 | -17.280 | -2163.634 | -2163.634 | INFINITE | |||||||
| 100 | 32.317 | 14.050 | 176.849 | -16.280 | -2169.994 | -2134.453 | 1114.924 | |||||||
| 200 | 86.144 | 54.162 | 105.060 | -10.180 | -2174.908 | -2096.757 | 547.617 | |||||||
| 298.15 | 118.688 | 95.140 | 95.140 | 0. | -2176.935 | -2057.879 | 360.532 | |||||||
| 300 | 119.148 | 95.876 | 95.142 | 0.220 | -2176.953 | -2057.141 | 358.180 | |||||||
| 400 | 137.557 | 132.920 | 100.068 | 13.141 | -2177.207 | -2017.131 | 263.410 | |||||||
| 500 | 148.695 | 164.894 | 109.913 | 27.491 | -2176.585 | -1977.171 | 206.554 | |||||||
| 600 | 156.431 | 192.724 | 121.447 | 42.767 | -2175.539 | -1937.382 | 168.664 | |||||||
| 700 | 162.310 | 217.297 | 133.419 | 58.715 | -2174.292 | -1897.786 | 141.615 | |||||||
| 800 | 167.063 | 239.291 | 145.302 | 75.191 | -2172.975 | -1858.375 | 121.339 | |||||||
| 900 | 171.088 | 259.206 | 156.869 | 92.104 | -2171.673 | -1819.128 | 105.579 | |||||||
| 1000 | 174.607 | 277.418 | 168.026 | 109.392 | -2187.632 | -1778.598 | 92.904 | |||||||
| 1100 | 177.770 | 294.210 | 178.744 | 127.013 | -2186.547 | -1737.746 | 82.519 | |||||||
| 1200 | 180.665 | 309.804 | 189.024 | 144.936 | -2185.281 | -1697.000 | 73.868 | |||||||
| 1300 | 183.360 | 324.372 | 198.881 | 163.139 | -2183.847 | -1656.367 | 66.554 | |||||||
| 1400 | 185.895 | 338.054 | 208.338 | 181.602 | -2437.073 | -1609.516 | 60.052 | |||||||
| 1500 | 188.309 | 350.962 | 217.420 | 200.314 | -2432.626 | -1550.560 | 53.995 | |||||||
| 1600 | 190.619 | 363.190 | 226.152 | 219.261 | -2428.036 | -1491.904 | 48.706 | |||||||
| 1700 | 192.845 | 374.813 | 234.558 | 238.434 | -2473.488 | -1433.093 | 44.034 | |||||||
| 1800 | 195.008 | 385.897 | 242.660 | 257.828 | -2468.404 | -1372.040 | 39.816 | |||||||
| 1900 | 197.108 | 396.497 | 250.480 | 277.434 | -2463.154 | -1311.273 | 36.049 | |||||||
| 2000 | 199.163 | 406.660 | 258.036 | 297.248 | -2457.742 | -1250.787 | 32.667 | |||||||
| 2100 | 201.175 | 416.426 | 265.348 | 317.264 | -2452.175 | -1190.575 | 29.614 | |||||||
| 2171.000 | 202.673 | 423.139 | 270.399 | 331.600 | CRYSTAL <--> LIQUID | |||||||||
| 2200 | 203.154 | 425.833 | 272.430 | 337.487 | 2446.445 1130.631 26.845 | |||||||||
| 2300 | 205.100 | 434.907 | 279.298 | 357.900 | -2440.573 | -1070.953 | 24.322 | |||||||
| 2400 | 207.020 | 443.676 | 285.965 | 378.506 | -2434.554 | -1011.534 | 22.015 | |||||||
| 2500 | 208.915 | 452.166 | 292.445 | 399.303 | -2428.390 | -952.367 | 19.899 | |||||||
| 2600 | 210.790 | 460.396 | 298.747 | 420.289 | -2422.084 | -893.451 | 17.950 | |||||||
| 2700 | 212.648 | 468.386 | 304.883 | 441.461 | -2415.638 | -834.778 | 16.150 | |||||||
| 2800 | 214.490 | 476.153 | 310.861 | 462.818 | -2409.054 | -776.348 | 14.483 | |||||||
| 2900 | 216.315 | 483.712 | 316.692 | 484.358 | -2402.334 | -718.156 | 12.935 | |||||||
| 3000 | 218.124 | 491.076 | 322.382 | 506.080 | -2395.483 | -660.197 | 11.495 | |||||||
| PREVIOUS: September 1964 | CURRENT: December 1967 | |||||||||||||
| Magnesium Silicate (Mg2SiO4) | Mg2O4Si1(cr) | |||||||||||||
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