Sulfuric Acid, Dihydrate (H2SO4.2H2O) H6O6S1(cr,l) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -51.038 -1422.274 -1422.274 INFINITE 100 66.143 56.938 534.191 -47.725 -1437.362 -1359.594 710.179 200 113.413 117.668 311.144 -38.695 -1446.789 -1277.857 333.742 233.700 128.910 136.505 284.609 -34.612 CRYSTAL <--> LIQUID 233.700 248.446 214.564 284.609 -16.370 TRANSITION 298.15 261.453 276.363 276.363 0. -1427.100 -1199.560 210.158 300 262.055 277.982 276.368 0.484 -1426.981 -1198.148 208.616 400 294.604 357.829 287.036 28.317 -1421.376 -1122.886 146.634 500 327.155 427.065 308.254 59.405 -1412.161 -1049.281 109.618 600 359.707 489.589 333.342 93.748 -1399.668 -977.824 85.127 700 392.258 547.483 359.845 131.347 -1383.994 -908.713 67.809 800 424.810 601.987 386.737 172.200 -1365.221 -842.061 54.981 900 457.361 653.901 413.559 216.309 -1396.509 -776.864 45.088 1000 489.913 703.774 440.102 263.672 -1370.399 -709.387 37.055