Potassium Carbonate (K2CO3) C1K2O3(l) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 100 200 298.15 114.437 170.373 170.373 0. -1130.609 -1049.385 183.848 300 114.699 171.082 170.375 0.212 -1130.604 -1048.881 182.626 400 128.135 205.957 175.039 12.367 -1134.885 -1020.799 133.303 500 140.049 235.859 184.280 25.790 -1133.593 -992.408 103.676 600 150.666 262.347 195.124 40.334 -1131.445 -964.360 83.955 700 160.483 286.316 206.465 55.896 -1128.530 -936.732 69.900 800 183.110 308.360 217.832 72.422 -1124.884 -909.565 59.388 800.000 183.110 308.360 217.832 72.422 GLASS <--> LIQUID 800.000 209.200 308.360 217.832 72.422 TRANSITION 900 209.200 333.000 229.286 93.342 -1117.071 -883.121 51.255 1000 209.200 355.041 240.779 114.262 -1109.493 -857.535 44.793 1100 209.200 374.980 252.087 135.182 -1260.068 -823.476 39.104 1174.000 209.200 388.601 260.267 150.663 CRYSTAL <--> LIQUID 1200 209.200 393.183 263.098 156.102 1250.880 784.193 34.135 1300 209.200 409.928 273.757 177.022 -1241.791 -745.671 29.961 1400 209.200 425.431 284.044 197.942 -1232.789 -707.846 26.410 1500 209.200 439.865 293.957 218.862 -1223.865 -670.663 23.355 1600 209.200 453.366 303.502 239.782 -1215.012 -634.072 20.700 1700 209.200 466.049 312.695 260.702 -1206.226 -598.032 18.375 1800 209.200 478.006 321.550 281.622 -1197.507 -562.508 16.324 1900 209.200 489.317 330.084 302.542 -1188.853 -527.467 14.501 2000 209.200 500.048 338.317 323.462 -1180.265 -492.879 12.873 2100 209.200 510.255 346.263 344.382 -1171.745 -458.720 11.410 2200 209.200 519.987 353.940 365.302 -1163.295 -424.964 10.090 2300 209.200 529.286 361.363 386.222 -1154.918 -391.592 8.893 2400 209.200 538.189 368.547 407.142 -1146.618 -358.582 7.804 2500 209.200 546.729 375.504 428.062 -1138.398 -325.917 6.810