fH°fG°| Potassium Carbonate (K2CO3) | C1K2O3(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 | -22.673 | -1144.614 | -1144.614 | INFINITE | |||||||
| 100 | 72.383 | 53.095 | 246.061 | -19.297 | -1149.119 | -1121.217 | 585.664 | |||||||
| 200 | 99.140 | 113.018 | 165.506 | -10.498 | -1150.202 | -1092.747 | 285.396 | |||||||
| 298.15 | 114.437 | 155.519 | 155.519 | 0. | -1150.182 | -1064.528 | 186.501 | |||||||
| 300 | 114.699 | 156.228 | 155.521 | 0.212 | -1150.176 | -1063.997 | 185.258 | |||||||
| 400 | 128.135 | 191.103 | 160.186 | 12.367 | -1154.457 | -1034.430 | 135.083 | |||||||
| 500 | 140.049 | 221.005 | 169.426 | 25.790 | -1153.165 | -1004.553 | 104.945 | |||||||
| 600 | 150.666 | 247.493 | 180.270 | 40.334 | -1151.017 | -975.020 | 84.883 | |||||||
| 700 | 160.483 | 271.462 | 191.611 | 55.896 | -1148.102 | -945.907 | 70.584 | |||||||
| 800 | 170.043 | 293.516 | 202.989 | 72.422 | -1144.456 | -917.262 | 59.891 | |||||||
| 900 | 179.515 | 314.092 | 214.202 | 89.901 | -1140.085 | -889.118 | 51.603 | |||||||
| 1000 | 188.949 | 333.495 | 225.170 | 108.325 | -1135.003 | -861.499 | 45.000 | |||||||
| 1100 | 198.321 | 351.944 | 235.863 | 127.688 | -1287.134 | -825.202 | 39.186 | |||||||
| 1174.000 | 205.259 | 365.079 | 243.596 | 142.621 | CRYSTAL <--> LIQUID | |||||||||
| 1174.000 | 209.200 | 388.601 | 243.596 | 170.235 | TRANSITION | |||||||||
| 1200 | 209.200 | 393.183 | 246.788 | 175.675 | -1250.880 | -784.193 | 34.135 | |||||||
| 1300 | 209.200 | 409.928 | 258.701 | 196.595 | -1241.791 | -745.671 | 29.961 | |||||||
| 1400 | 209.200 | 425.431 | 270.064 | 217.515 | -1232.789 | -707.846 | 26.410 | |||||||
| 1500 | 209.200 | 439.865 | 280.908 | 238.435 | -1223.865 | -670.663 | 23.355 | |||||||
| 1600 | 209.200 | 453.366 | 291.270 | 259.355 | -1215.012 | -634.072 | 20.700 | |||||||
| 1700 | 209.200 | 466.049 | 301.181 | 280.275 | -1206.226 | -598.032 | 18.375 | |||||||
| 1800 | 209.200 | 478.006 | 310.676 | 301.195 | -1197.507 | -562.508 | 16.324 | |||||||
| 1900 | 209.200 | 489.317 | 319.783 | 322.115 | -1188.853 | -527.467 | 14.501 | |||||||
| 2000 | 209.200 | 500.048 | 328.530 | 343.035 | -1180.265 | -492.879 | 12.873 | |||||||
| 2100 | 209.200 | 510.255 | 336.943 | 363.955 | -1171.745 | -458.720 | 11.410 | |||||||
| 2200 | 209.200 | 519.987 | 345.044 | 384.875 | -1163.295 | -424.964 | 10.090 | |||||||
| 2300 | 209.200 | 529.286 | 352.854 | 405.795 | -1154.918 | -391.592 | 8.893 | |||||||
| 2400 | 209.200 | 538.189 | 360.392 | 426.715 | -1146.618 | -358.582 | 7.804 | |||||||
| 2500 | 209.200 | 546.729 | 367.676 | 447.635 | -1138.398 | -325.917 | 6.810 | |||||||
| PREVIOUS: | CURRENT: March 1966 | |||||||||||||
| Potassium Carbonate (K2CO3) | C1K2O3(cr,l) | |||||||||||||
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