Magnesium Oxide (MgO) Mg1O1(g) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -8.909 58.588 58.588 INFINITE 100 29.124 180.485 240.493 -6.001 59.402 50.970 -26.624 200 30.117 200.873 216.143 -3.054 58.886 42.689 -11.149 250 31.121 207.699 213.793 -1.524 58.517 38.682 -8.082 298.15 32.173 213.269 213.269 0. 58.158 34.895 -6.113 300 32.215 213.468 213.270 0.060 58.144 34.750 -6.051 350 33.401 218.522 213.666 1.699 57.783 30.880 -4.609 400 34.783 223.069 214.562 3.403 57.446 27.060 -3.534 450 36.452 227.259 215.743 5.182 57.147 23.280 -2.702 500 38.434 231.200 217.093 7.053 56.901 19.531 -2.040 600 43.078 238.608 220.068 11.124 56.624 12.088 -1.052 700 47.785 245.608 223.221 15.671 56.672 4.666 -0.348 800 51.560 252.250 226.439 20.649 56.994 -2.783 0.182 900 53.890 258.472 229.657 25.934 57.457 -10.282 0.597 1000 54.795 264.208 232.829 31.379 49.315 -17.121 0.894 1100 54.608 269.429 235.923 36.857 49.607 -23.779 1.129 1200 53.729 274.147 238.915 42.278 49.823 -30.461 1.326 1300 52.496 278.400 241.792 47.591 49.914 -37.156 1.493 1400 51.139 282.241 244.546 52.773 -77.551 -40.685 1.518 1500 49.802 285.723 247.177 57.820 -76.404 -38.093 1.327 1600 48.558 288.897 249.687 62.737 -75.399 -35.573 1.161 1700 47.439 291.807 252.080 67.535 -74.525 -33.111 1.017 1800 46.454 294.490 254.363 72.229 -73.768 -30.697 0.891 1900 45.599 296.978 256.541 76.831 -73.114 -28.323 0.779 2000 44.862 299.298 258.621 81.353 -72.552 -25.980 0.679 2100 44.230 301.471 260.611 85.806 -72.070 -23.664 0.589 2200 43.691 303.516 262.515 90.202 -71.658 -21.368 0.507 2300 43.231 305.447 264.340 94.547 -71.308 -19.091 0.434 2400 42.841 307.279 266.091 98.850 -71.012 -16.827 0.366 2500 42.509 309.021 267.774 103.117 -70.764 -14.574 0.305 2600 42.229 310.682 269.392 107.354 -70.559 -12.331 0.248 2700 41.993 312.272 270.951 111.565 -70.393 -10.095 0.195 2800 41.795 313.795 272.454 115.754 -70.262 -7.864 0.147 2900 41.629 315.259 273.905 119.925 -70.163 -5.637 0.102 3000 41.493 316.668 275.307 124.081 -70.094 -3.414 0.059 3100 41.381 318.026 276.664 128.224 -70.053 -1.191 0.020 3200 41.291 319.339 277.977 132.357 -70.040 1.029 -0.017 3300 41.220 320.608 279.250 136.483 -70.052 3.250 -0.051 3400 41.167 321.838 280.484 140.602 -70.090 5.472 -0.084 3500 41.128 323.030 281.683 144.717 -70.154 7.695 -0.115 3600 41.103 324.189 282.848 148.828 -70.243 9.921 -0.144 3700 41.091 325.315 283.980 152.938 -70.359 12.149 -0.172 3800 41.090 326.411 285.082 157.047 -70.503 14.381 -0.198 3900 41.099 327.478 286.156 161.156 -70.674 16.617 -0.223 4000 41.117 328.519 287.202 165.267 -70.874 18.858 -0.246 4100 41.144 329.534 288.222 169.380 -71.105 21.104 -0.269 4200 41.179 330.526 289.218 173.496 -71.367 23.356 -0.290 4300 41.222 331.496 290.190 177.616 -71.662 25.615 -0.311 4400 41.272 332.444 291.139 181.741 -71.992 27.881 -0.331 4500 41.329 333.372 292.067 185.871 -72.358 30.154 -0.350 4600 41.393 334.281 292.975 190.007 -72.761 32.437 -0.368 4700 41.463 335.172 293.864 194.149 -73.203 34.729 -0.386 4800 41.539 336.046 294.733 198.300 -73.686 37.030 -0.403 4900 41.621 336.903 295.585 202.458 -74.212 39.342 -0.419 5000 41.709 337.745 296.420 206.624 -74.781 41.665 -0.435 5100 41.802 338.572 297.238 210.800 -75.395 44.000 -0.451 5200 41.901 339.384 298.041 214.985 -76.057 46.347 -0.466 5300 42.004 340.183 298.829 219.180 -76.766 48.709 -0.480 5400 42.113 340.970 299.602 223.386 -77.525 51.083 -0.494 5500 42.227 341.743 300.361 227.603 -78.335 53.471 -0.508 5600 42.345 342.505 301.107 231.831 -79.198 55.876 -0.521 5700 42.467 343.256 301.840 236.072 -80.115 58.296 -0.534 5800 42.594 343.995 302.560 240.325 -81.087 60.733 -0.547 5900 42.725 344.725 303.269 244.591 -82.116 63.186 -0.559 6000 42.860 345.444 303.966 248.870 -83.202 65.658 -0.572