Boron Carbide (B4C) C1B4(cr) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -5.635 -62.404 -62.404 INFINITE 100 5.071 1.634 56.731 -5.510 -62.435 -62.380 32.584 200 27.426 11.311 31.236 -3.985 -62.568 -62.279 16.266 298.15 53.764 27.175 27.175 0. -62.676 -62.109 10.881 300 54.266 27.509 27.176 0.100 -62.676 -62.106 10.814 400 76.358 46.353 29.595 6.703 -62.546 -61.931 8.087 500 89.789 64.925 34.822 15.051 -62.448 -61.791 6.455 600 98.366 82.103 41.293 24.486 -62.517 -61.657 5.368 700 103.680 97.682 48.254 34.599 -62.796 -61.494 4.589 800 107.654 111.793 55.329 45.171 -63.277 -61.277 4.001 900 110.989 124.666 62.328 56.104 -63.906 -60.991 3.540 1000 114.299 136.533 69.163 67.370 -64.611 -60.630 3.167 1100 117.336 147.571 75.795 78.954 -65.341 -60.196 2.858 1200 120.190 157.904 82.211 90.831 -66.071 -59.696 2.599 1300 122.909 167.632 88.411 102.987 -66.781 -59.136 2.376 1400 125.533 176.837 94.402 115.410 -67.456 -58.522 2.183 1500 128.089 185.585 100.191 128.091 -68.086 -57.862 2.015 1600 130.587 193.932 105.791 141.025 -68.663 -57.161 1.866 1700 133.047 201.923 111.213 154.207 -69.178 -56.426 1.734 1800 135.474 209.596 116.467 167.633 -69.626 -55.663 1.615 1900 137.875 216.986 121.564 181.301 -70.004 -54.877 1.509 2000 140.256 224.118 126.514 195.208 -70.307 -54.072 1.412 2100 142.620 231.019 131.327 209.352 -70.532 -53.255 1.325 2200 144.971 237.708 136.012 223.731 -70.677 -52.428 1.245 2300 147.306 244.203 140.575 238.345 -70.739 -51.597 1.172 2400 149.637 250.522 145.025 253.193 -271.756 -46.490 1.012 2500 151.955 256.677 149.369 268.272 -271.961 -37.099 0.775 2600 154.268 262.682 153.612 283.583 -271.950 -27.704 0.557 2700 156.578 268.548 157.760 299.126 -271.722 -18.313 0.354 2743.000 157.569 271.030 159.517 305.880 CRYSTAL <--> LIQUID 2800 158.887 274.284 161.820 314.899 271.276 8.935 0.167 2900 161.197 279.900 165.795 330.903 -270.614 0.423 -0.008 3000 163.507 285.403 169.691 347.138 -269.733 9.755 -0.170 3100 165.816 290.802 173.511 363.604 -268.635 19.054 -0.321 3200 168.126 296.103 177.259 380.301 -267.318 28.313 -0.462