Sodium Carbonate (NaCO3) C1Na2O3(cr,l) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -20.812 -1124.610 -1124.610 INFINITE 100 61.241 43.237 225.158 -18.192 -1129.086 -1102.556 575.916 200 94.140 97.766 148.470 -10.141 -1130.640 -1075.252 280.827 298.15 111.003 138.797 138.797 0. -1130.768 -1048.009 183.607 300 111.253 139.484 138.799 0.206 -1130.764 -1047.496 182.385 400 125.102 173.307 143.317 11.996 -1135.696 -1019.370 133.116 500 142.214 203.007 152.332 25.337 -1134.473 -990.400 103.466 600 163.302 230.759 163.106 40.592 -1131.568 -961.826 83.734 700 187.569 257.722 174.702 58.115 -1126.604 -933.897 69.688 723.150 193.387 263.919 177.459 62.524 I <--> II 723.150 143.761 264.873 177.459 63.214 TRANSITION 800 153.344 279.866 186.580 74.628 -1122.835 -906.701 59.202 900 166.230 298.668 197.996 90.605 -1119.776 -879.857 51.066 1000 179.201 316.851 208.977 107.874 -1115.597 -853.412 44.578 1100 192.046 334.537 219.591 126.441 -1110.305 -827.441 39.292 1123.150 195.101 338.569 222.002 130.922 II <--> LIQUID 1123.150 189.535 364.981 222.002 160.586 TRANSITION 1200 189.535 377.525 231.565 175.152 -1268.589 -799.127 34.785 1300 189.535 392.696 243.384 194.106 -1261.466 -760.294 30.549 1400 189.535 406.742 254.557 213.059 -1254.430 -722.007 26.938 1500 189.535 419.818 265.143 232.013 -1247.470 -684.221 23.827 1600 189.535 432.051 275.197 250.966 -1240.579 -646.896 21.119 1700 189.535 443.541 284.765 269.920 -1233.753 -610.000 18.743 1800 189.535 454.375 293.890 288.873 -1226.988 -573.504 16.643 1900 189.535 464.622 302.608 307.827 -1220.282 -537.383 14.774 2000 189.535 474.344 310.954 326.780 -1213.632 -501.613 13.101 2100 189.535 483.592 318.957 345.734 -1207.037 -466.174 11.595 2200 189.535 492.409 326.642 364.687 -1200.497 -431.048 10.234 2300 189.535 500.834 334.034 383.641 -1194.012 -396.219 8.998 2400 189.535 508.901 341.153 402.594 -1187.582 -361.671 7.872 2500 189.535 516.638 348.019 421.548 -1181.206 -327.389 6.840