Magnesium Carbide (Mg2C3) C3Mg2(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 100 200 298.15 93.763 100.416 100.416 0. 79.496 74.173 -12.995 300 94.140 100.997 100.418 0.174 79.530 74.140 -12.909 400 107.361 130.046 104.288 10.303 81.481 72.052 -9.409 500 114.056 154.770 111.979 21.395 83.260 69.481 -7.259 600 118.198 175.949 120.919 33.018 84.614 66.591 -5.797 700 121.127 194.398 130.127 44.990 85.523 63.509 -4.739 800 123.386 210.724 139.200 57.219 86.012 60.326 -3.939 900 125.269 225.368 147.975 69.653 86.106 57.106 -3.314 1000 126.943 238.654 156.389 82.265 68.636 55.320 -2.890 1100 128.449 250.825 164.428 95.036 67.964 54.021 -2.565 1200 129.830 262.061 172.102 107.950 67.262 52.784 -2.298 1300 131.168 272.506 179.428 121.001 66.554 51.606 -2.074 1400 132.424 282.272 186.429 134.180 -188.965 56.817 -2.120 1500 133.679 291.452 193.128 147.486 -186.940 74.303 -2.587 1600 134.892 300.118 199.547 160.915 -184.884 91.652 -2.992 1700 136.064 308.331 205.706 174.463 -182.790 108.871 -3.345 1800 137.235 316.142 211.626 188.128 -180.652 125.967 -3.655 1900 138.365 323.592 217.325 201.907 -178.466 142.942 -3.930 2000 139.536 330.719 222.817 215.803 -176.227 159.800 -4.174 2100 140.666 337.554 228.119 229.813 -173.931 176.545 -4.391 2200 141.754 344.123 233.244 243.934 -171.579 193.180 -4.587 2300 142.884 350.449 238.203 258.166 -169.167 209.706 -4.763 2400 144.013 356.554 243.008 272.511 -166.692 226.126 -4.921 2500 145.101 362.455 247.669 286.967 -164.155 242.441 -5.066