Potassium Tetrahydroborate (KBH4) B1H4K1(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -16.523 -218.190 -218.190 INFINITE 100 43.388 32.560 176.531 -14.397 -223.820 -203.339 106.213 200 73.580 72.530 114.809 -8.456 -226.193 -181.752 47.469 298.15 96.571 106.608 106.608 0. -226.898 -159.738 27.986 300 96.734 107.206 106.610 0.179 -226.902 -159.322 27.740 400 100.918 135.797 110.480 10.127 -229.606 -136.305 17.800 500 102.131 158.434 117.887 20.273 -230.144 -112.920 11.797 600 106.033 177.333 126.258 30.645 -230.651 -89.424 7.785 700 115.227 194.306 134.780 41.668 -230.655 -65.874 4.916 800 118.407 209.909 143.213 53.356 -230.132 -42.368 2.766 900 120.625 223.988 151.419 65.312 -229.490 -18.935 1.099 1000 122.340 236.790 159.326 77.464 -228.820 4.424 -0.231 1100 123.386 248.501 166.908 89.752 -307.159 32.327 -1.535 1200 124.265 259.276 174.162 102.136 -305.599 63.120 -2.748 1300 124.919 269.248 181.098 114.596 -304.101 93.786 -3.768 1400 125.520 278.528 187.730 127.118 -302.676 124.339 -4.639 1500 126.060 287.207 194.075 139.697 -301.326 154.792 -5.390 1600 126.566 295.359 200.153 152.329 -300.054 185.158 -6.045 1700 127.037 303.046 205.982 165.009 -298.859 215.447 -6.620 1800 127.473 310.320 211.578 177.735 -297.741 245.667 -7.129 1900 127.873 317.223 216.958 190.503 -296.700 275.828 -7.583 2000 128.240 323.791 222.137 203.309 -295.735 305.936 -7.990