Sulfuric Acid, Trihydrate (H2SO4.3H2O) H8O7S1(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 -64.520 -1716.249 -1716.249 INFINITE 100 82.711 68.614 673.238 -60.462 -1735.045 -1639.705 856.494 200 145.372 145.125 390.475 -49.070 -1746.258 -1539.587 402.099 236.780 169.746 171.661 354.430 -43.276 CRYSTAL <--> LIQUID 236.780 310.829 273.019 354.430 -19.276 TRANSITION 298.15 319.090 345.373 345.373 0. -1720.402 -1443.893 252.964 300 319.320 347.348 345.379 0.591 -1720.258 -1442.178 251.106 400 347.779 442.970 358.216 33.902 -1713.566 -1350.672 176.380 500 376.606 523.671 383.430 70.121 -1703.672 -1261.054 131.741 600 405.434 594.883 412.845 109.223 -1690.930 -1173.680 102.178 700 434.262 659.546 443.535 151.208 -1675.434 -1088.659 81.237 800 463.089 719.415 474.321 196.075 -1657.267 -1006.044 65.688 900 491.917 775.624 504.706 243.825 -1689.591 -924.781 53.673 1000 520.745 828.944 534.486 294.459 -1664.947 -841.100 43.935