Ammonium Chloride (NH4Cl) Cl1H4N1(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -22.698 -311.391 -311.391 INFINITE 100 37.656 24.552 163.795 -13.924 -311.523 -276.392 144.372 200 67.111 59.752 103.140 -8.678 -314.638 -239.828 62.637 298.15 86.441 94.860 94.860 0. -314.553 -203.092 35.581 300 86.944 95.396 94.861 0.160 -314.558 -202.400 35.241 400 102.968 122.642 98.467 9.670 -314.054 -165.049 21.553 457.700 109.956 136.945 102.428 15.798 II <--> III 457.700 85.898 145.537 102.428 19.731 TRANSITION 500 90.500 153.330 106.407 23.462 -309.363 -128.299 13.403 600 101.671 170.818 115.701 33.071 -308.920 -92.110 8.019 700 112.801 187.327 124.764 43.795 -307.429 -56.079 4.185 800 123.888 203.113 133.577 55.629 -304.904 -20.332 1.328 900 134.976 218.360 142.155 68.585 -301.346 15.037 -0.873 1000 144.557 233.090 150.517 82.573 -296.853 49.958 -2.610 1100 152.716 247.259 158.672 97.446 -291.583 84.389 -4.007 1200 159.829 260.879 166.625 113.104 -285.636 118.311 -5.150 1300 163.176 273.774 174.376 129.217 -279.347 151.720 -6.096 1400 171.000 286.172 181.921 145.952 -272.549 184.628 -6.889 1500 175.728 298.149 189.273 163.314 -265.232 217.030 -7.558