Boron Oxide ((BO)2) B2O2(g) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 0. 0. INFINITE -12.398 -457.343 -457.343 INFINITE 100 34.367 193.295 286.969 -9.367 -457.265 -459.202 239.863 200 48.231 221.483 247.582 -5.220 -456.694 -461.326 120.486 250 53.477 232.836 243.520 -2.671 -456.345 -462.525 96.639 298.15 57.297 242.597 242.597 0. -456.056 -463.743 81.246 300 57.424 242.952 242.598 0.106 -456.046 -463.791 80.753 350 60.445 252.040 243.309 3.056 -455.827 -465.100 69.412 400 62.871 260.275 244.923 6.141 -455.708 -466.434 60.910 450 64.921 267.802 247.053 9.337 -455.684 -467.777 54.298 500 66.722 274.737 249.479 12.629 -455.741 -469.118 49.008 600 69.820 287.184 254.750 19.461 -456.031 -471.770 41.071 700 72.409 298.147 260.182 26.576 -456.480 -474.359 35.397 800 74.575 307.962 265.551 33.928 -457.030 -476.877 31.137 900 76.378 316.853 270.765 41.479 -457.649 -479.321 27.819 1000 77.874 324.980 275.786 49.194 -458.320 -481.694 25.161 1100 79.116 332.462 280.603 57.045 -459.038 -483.996 22.983 1200 80.149 339.392 285.217 65.010 -459.800 -486.232 21.165 1300 81.013 345.842 289.635 73.069 -460.607 -488.402 19.624 1400 81.739 351.873 293.868 81.208 -461.461 -490.509 18.301 1500 82.353 357.534 297.925 89.413 -462.365 -492.552 17.152 1600 82.876 362.866 301.819 97.675 -463.323 -494.534 16.145 1700 83.323 367.904 305.560 105.986 -464.337 -496.454 15.254 1800 83.709 372.678 309.157 114.338 -465.410 -498.313 14.461 1900 84.042 377.213 312.621 122.726 -466.544 -500.110 13.749 2000 84.333 381.532 315.959 131.145 -467.743 -501.846 13.107 2100 84.588 385.653 319.180 139.591 -469.007 -503.520 12.524 2200 84.812 389.593 322.292 148.062 -470.339 -505.132 11.993 2300 85.010 393.367 325.301 156.553 -471.740 -506.683 11.507 2400 85.185 396.989 328.213 165.063 -573.730 -506.034 11.014 2500 85.342 400.470 331.034 173.589 -575.428 -503.178 10.513 2600 85.482 403.820 333.770 182.131 -577.133 -500.254 10.050 2700 85.608 407.048 336.424 190.685 -578.846 -497.265 9.620 2800 85.722 410.164 339.002 199.252 -580.567 -494.211 9.220 2900 85.824 413.174 341.508 207.829 -582.297 -491.098 8.846 3000 85.917 416.085 343.946 216.416 -584.037 -487.923 8.495 3100 86.002 418.903 346.319 225.012 -585.787 -484.690 8.167 3200 86.079 421.635 348.630 233.617 -587.546 -481.401 7.858 3300 86.150 424.285 350.883 242.228 -589.316 -478.057 7.567 3400 86.214 426.858 353.079 250.846 -591.095 -474.658 7.292 3500 86.274 429.358 355.223 259.471 -592.885 -471.208 7.032 3600 86.328 431.789 357.317 268.101 -594.684 -467.706 6.786 3700 86.379 434.155 359.361 276.736 -596.492 -464.154 6.553 3800 86.426 436.459 361.360 285.377 -598.311 -460.552 6.331 3900 86.469 438.705 363.315 294.021 -600.138 -456.903 6.120 4000 86.509 440.894 365.227 302.670 -601.975 -453.208 5.918 4100 86.547 443.031 367.099 311.323 -603.820 -449.466 5.726 4200 86.581 445.117 368.931 319.979 -1565.374 -431.630 5.368 4300 86.614 447.155 370.727 328.639 -1565.063 -404.640 4.915 4400 86.644 449.146 372.487 337.302 -1564.766 -377.657 4.483 4500 86.672 451.094 374.212 345.968 -1564.481 -350.681 4.071 4600 86.699 452.999 375.904 354.637 -1564.211 -323.711 3.676 4700 86.724 454.864 377.564 363.308 -1563.955 -296.746 3.298 4800 86.747 456.690 379.194 371.981 -1563.715 -269.787 2.936 4900 86.769 458.479 380.794 380.657 -1563.492 -242.831 2.589 5000 86.790 460.232 382.365 389.335 -1563.287 -215.881 2.255 5100 86.810 461.951 383.909 398.015 -1563.101 -188.935 1.935 5200 86.828 463.637 385.426 406.697 -1562.935 -161.993 1.627 5300 86.846 465.291 386.917 415.381 -1562.791 -135.052 1.331 5400 86.862 466.914 388.384 424.066 -1562.670 -108.116 1.046 5500 86.878 468.508 389.826 432.753 -1562.573 -81.181 0.771 5600 86.893 470.074 391.245 441.442 -1562.503 -54.246 0.506 5700 86.907 471.612 392.641 450.132 -1562.461 -27.314 0.250 5800 86.920 473.124 394.016 458.823 -1562.449 -0.381 0.003 5900 86.933 474.609 395.370 467.516 -1562.468 26.550 -0.235 6000 86.945 476.071 396.702 476.210 -1562.521 53.484 -0.466