Zinc Sulfate (ZnSO4) O4S1Zn1(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0.000 0.000 INFINITE -17.238 -969.934 -969.934 INFINITE 100 47.585 31.581 183.544 -15.196 -975.390 -940.983 491.519 200 78.053 75.224 118.947 -8.745 -978.636 -905.195 236.413 298.15 99.035 110.541 110.541 0.000 -980.144 -868.777 152.206 300 99.370 111.155 110.543 0.184 -980.158 -868.086 151.147 400 116.022 142.074 114.647 10.971 -982.499 -830.588 108.464 500 131.210 169.620 122.933 23.344 -982.857 -792.557 82.798 540.000 136.817 179.933 126.775 28.705 I <--> II 540.000 136.817 189.231 126.775 33.726 TRANSITION 600 137.444 203.678 133.755 41.954 -976.948 -755.128 65.740 700 138.574 224.950 145.301 55.755 -983.260 -718.162 53.590 800 139.704 243.528 156.442 69.668 -982.369 -680.351 44.422 900 140.875 260.050 167.053 83.698 -1034.546 -641.575 37.236 1000 142.005 274.954 177.110 97.844 -1032.317 -598.031 31.238 1013.000 142.130 276.789 178.377 99.691 ALPHA <--> BETA 1013.000 145.185 296.862 178.377 120.025 TRANSITION 1100 145.185 308.825 188.228 132.656 -1009.533 -556.465 26.424 1200 145.185 321.457 198.812 147.175 -1122.238 -513.448 22.350 1300 145.185 333.078 208.699 161.693 -1118.867 -462.853 18.598 1400 145.185 343.838 217.972 176.212 -1115.572 -412.515 15.391 1500 145.185 353.854 226.701 190.730 -1112.348 -362.410 12.620 1600 145.185 363.224 234.944 205.249 -1109.190 -312.517 10.203 1700 145.185 372.026 242.751 219.767 -1106.097 -262.820 8.075 1800 145.185 380.325 250.166 234.286 -1103.065 -213.304 6.190 1900 145.185 388.174 257.225 248.804 -1100.093 -163.954 4.507 2000 145.185 395.622 263.960 263.323 -1097.180 -114.759 2.997