Magnesium Oxide (MgO) Mg1O1(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 37.106 48.366 48.366 0. -532.609 -506.707 88.773 300 37.244 48.596 48.367 0.069 -532.614 -506.546 88.197 400 42.561 60.120 49.902 4.087 -532.636 -497.843 65.012 500 45.544 69.966 52.956 8.505 -532.414 -489.167 51.103 600 47.430 78.448 56.514 13.160 -532.106 -480.546 41.835 700 48.748 85.862 60.188 17.972 -531.794 -471.978 35.219 800 49.740 92.439 63.816 22.898 -531.525 -463.452 30.260 900 50.539 98.344 67.330 27.913 -531.331 -454.955 26.405 1000 51.208 103.705 70.704 33.001 -539.830 -445.763 23.284 1100 51.794 108.613 73.930 38.151 -539.865 -436.354 20.721 1200 52.325 113.143 77.012 43.358 -539.864 -426.943 18.584 1300 52.810 117.351 79.955 48.615 -539.829 -417.535 16.777 1400 53.262 121.281 82.768 53.918 -667.172 -404.962 15.109 1500 53.693 124.970 85.459 59.266 -665.724 -386.284 13.452 1600 54.107 128.449 88.039 64.656 -664.246 -367.702 12.004 1700 54.509 131.741 90.513 70.087 -662.740 -349.214 10.730 1800 54.898 134.868 92.891 75.558 -661.206 -330.816 9.600 1900 55.278 137.846 95.180 81.067 -659.645 -312.503 8.591 2000 55.651 140.691 97.385 86.613 -658.059 -294.274 7.686 2100 56.019 143.415 99.512 92.197 -656.447 -276.124 6.868 2100.001 56.019 143.415 99.512 92.197 GLASS <--> LIQUID 2100.001 66.944 143.415 99.512 92.197 TRANSITION 2200 66.944 146.530 101.579 98.891 -653.736 -258.077 6.128 2300 66.944 149.505 103.599 105.585 -651.037 -240.153 5.454 2400 66.944 152.354 105.571 112.280 -648.350 -222.346 4.839 2500 66.944 155.087 107.498 118.974 -645.674 -204.651 4.276 2600 66.944 157.713 109.379 125.669 -643.012 -187.062 3.758 2700 66.944 160.239 111.216 132.363 -640.362 -169.576 3.281 2800 66.944 162.674 113.011 139.057 -637.725 -152.188 2.839 2900 66.944 165.023 114.764 145.752 -635.103 -134.894 2.430 3000 66.944 167.293 116.477 152.446 -632.496 -117.690 2.049 3100 66.944 169.488 118.152 159.140 -629.904 -100.572 1.695 3105.000 66.944 169.595 118.235 159.475 CRYSTAL <--> LIQUID 3200 66.944 171.613 119.790 165.835 627.329 83.538 1.364 3300 66.944 173.673 121.391 172.529 -624.772 -66.584 1.054 3400 66.944 175.671 122.959 179.224 -622.235 -49.708 0.764 3500 66.944 177.612 124.493 185.918 -619.719 -32.905 0.491 3600 66.944 179.498 125.994 192.612 -617.226 -16.174 0.235 3700 66.944 181.332 127.465 199.307 -614.757 0.487 -0.007 3800 66.944 183.117 128.906 206.001 -612.315 17.083 -0.235 3900 66.944 184.856 130.319 212.696 -609.901 33.615 -0.450 4000 66.944 186.551 131.704 219.390 -607.518 50.084 -0.654 4100 66.944 188.204 133.062 226.084 -605.167 66.495 -0.847 4200 66.944 189.817 134.394 232.779 -602.851 82.849 -1.030 4300 66.944 191.393 135.701 239.473 -600.572 99.149 -1.204 4400 66.944 192.932 136.984 246.168 -598.332 115.395 -1.370 4500 66.944 194.436 138.244 252.862 -596.133 131.591 -1.527 4600 66.944 195.907 139.482 259.556 -593.978 147.739 -1.678 4700 66.944 197.347 140.698 266.251 -591.869 163.840 -1.821 4800 66.944 198.756 141.893 272.945 -589.807 179.897 -1.958 4900 66.944 200.137 143.067 279.640 -587.796 195.912 -2.088 5000 66.944 201.489 144.222 286.334 -585.838 211.886 -2.214