Vanadium Oxide (V2O5) O5V2(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0.000 0.000 INFINITE -21.506 -1541.109 -1541.109 INFINITE 100 52.647 31.564 238.170 -20.661 -1548.502 -1506.895 787.121 200 101.123 84.203 141.649 -11.489 -1550.281 -1462.556 381.980 298.15 130.599 130.549 130.549 0.000 -1550.590 -1419.348 248.664 300 131.027 131.358 130.552 0.242 -1550.577 -1418.533 246.989 400 150.950 171.988 135.954 14.414 -1548.962 -1374.719 179.520 500 161.753 206.948 146.747 30.100 -1546.243 -1331.458 139.096 600 168.314 237.044 159.348 46.617 -1543.068 -1288.795 112.200 700 173.234 263.370 172.367 63.702 -1539.671 -1246.682 93.029 800 177.251 286.771 185.232 81.231 -1536.152 -1205.066 78.683 900 180.749 307.858 197.705 99.138 -1532.562 -1163.895 67.551 943.000 182.004 316.323 202.922 106.937 CRYSTAL <--> LIQUID 1000 183.678 327.054 209.694 117.359 1528.939 1123.126 58.666 1100 186.606 344.697 221.176 135.874 -1525.292 -1082.721 51.414 1200 189.535 361.060 232.159 154.681 -1521.624 -1042.649 45.385 1300 192.464 376.346 242.669 173.781 -1517.934 -1002.884 40.296 1400 195.393 390.717 252.736 193.173 -1514.230 -963.403 35.945 1500 198.322 404.297 262.391 212.859 -1510.509 -924.189 32.183