Iron Sulfate (Fe2(SO4)3) Fe2O12S3(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 100 200 298.15 264.722 307.524 307.524 0. -2582.992 -2262.729 396.421 300 265.851 309.165 307.529 0.491 -2583.047 -2260.742 393.630 400 307.022 391.497 318.475 29.209 -2591.203 -2152.742 281.119 500 339.281 463.626 340.441 61.593 -2594.662 -2042.719 213.401 600 363.297 527.707 366.413 96.776 -2595.362 -1932.225 168.215 700 380.702 585.079 393.626 134.017 -2594.341 -1821.767 135.942 800 393.254 636.776 420.843 172.746 -2592.496 -1711.521 111.751 900 402.041 683.617 447.479 212.524 -2749.978 -1598.273 92.761 1000 409.237 726.359 473.261 253.098 -2745.239 -1470.576 76.815 1100 415.262 765.651 498.080 294.328 -2741.963 -1343.236 63.785 1200 420.659 802.019 521.912 336.128 -2737.297 -1216.322 52.945 1300 425.513 835.884 544.776 378.441 -2729.077 -1089.907 43.793 1400 429.906 867.580 566.714 421.214 -2720.794 -964.127 35.972 1500 434.090 897.385 587.775 464.415 -2712.461 -838.943 29.215 1600 438.065 925.528 608.013 508.025 -2704.089 -714.314 23.320 1700 441.830 952.199 627.482 552.020 -2697.589 -590.172 18.134 1800 445.554 977.560 646.232 596.391 -2689.835 -466.432 13.536 1900 449.069 1001.744 664.311 641.121 -2710.265 -341.717 9.394 2000 452.625 1024.868 681.765 686.206 -2702.965 -217.244 5.674