Iron Oxide, Hematite (Fe2O3) Fe2O3(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -15.560 -819.025 -819.025 INFINITE 100 31.497 14.611 159.795 -14.518 -823.186 -797.438 416.539 200 76.567 51.279 96.132 -8.970 -825.542 -770.573 201.253 298.15 103.763 87.400 87.400 0. -825.503 -743.523 130.262 300 104.182 88.043 87.402 0.192 -825.485 -743.014 129.370 400 120.123 120.299 91.691 11.443 -823.947 -715.727 93.464 500 131.796 148.400 100.284 24.058 -821.626 -688.929 71.972 600 141.168 173.270 110.415 37.713 -818.882 -662.642 57.688 700 149.729 195.675 121.020 52.259 -815.870 -636.837 47.521 800 158.218 216.225 131.653 67.658 -812.705 -611.477 39.925 900 166.490 235.340 142.124 83.894 -809.634 -586.510 34.040 950.000 170.570 244.451 147.271 92.321 I <--> II 950.000 150.624 245.156 147.271 92.990 TRANSITION 1000 150.624 252.882 152.360 100.522 -807.695 -561.866 29.349 1050.000 150.624 260.231 157.323 108.053 II <--> III 1050.000 140.407 260.231 157.323 108.053 TRANSITION 1100 140.775 266.771 162.150 115.083 -809.682 -537.171 25.508 1200 141.511 279.052 171.388 129.197 -811.071 -512.374 22.303 1300 142.248 290.408 180.112 143.385 -809.145 -487.562 19.590 1400 142.984 300.976 188.372 157.647 -807.358 -462.893 17.271 1500 143.720 310.866 196.212 171.982 -805.706 -438.347 15.265 1600 144.566 320.170 203.671 186.397 -804.180 -413.906 13.513 1700 145.266 328.956 210.785 200.890 -804.681 -389.520 11.968 1800 145.780 337.275 217.583 215.445 -804.094 -365.117 10.595 1900 146.231 345.169 224.092 230.045 -831.859 -339.338 9.329 2000 146.789 352.684 230.335 244.696 -832.056 -313.410 8.185 2100 147.277 359.858 236.334 259.400 -832.235 -287.474 7.151 2200 147.695 366.719 242.105 274.149 -832.403 -261.528 6.209 2300 148.044 373.292 247.667 288.937 -832.566 -235.576 5.350 2400 148.323 379.599 253.034 303.756 -832.731 -209.617 4.562 2500 148.532 385.658 258.219 318.599 -832.905 -183.650 3.837