Boron (B2) | B2(g) | |||||||||||||
Enthalpy Reference Temperature = Tr = 298.15 K | Standard State Pressure = p° = 0.1 MPa | |||||||||||||
J·K-1 mol-1 | kJ·mol-1 | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
T/K | Cp° | S° | -[G°-H°(Tr)]/T | H-H°(Tr) | ![]() |
![]() |
log Kf | |||||||
0 | 0. | 0. | INFINITE | -8.810 | 823.305 | 823.305 | INFINITE | |||||||
100 | 29.111 | 169.727 | 228.775 | -5.905 | 826.162 | 809.251 | -422.709 | |||||||
200 | 29.500 | 189.962 | 204.880 | -2.984 | 828.418 | 791.393 | -206.691 | |||||||
250 | 30.345 | 196.626 | 202.585 | -1.490 | 829.169 | 782.044 | -163.399 | |||||||
298.15 | 31.594 | 202.072 | 202.072 | 0. | 829.687 | 772.918 | -135.412 | |||||||
300 | 31.648 | 202.268 | 202.073 | 0.058 | 829.704 | 772.566 | -134.516 | |||||||
350 | 33.187 | 207.260 | 202.464 | 1.679 | 830.070 | 763.012 | -113.873 | |||||||
400 | 34.737 | 211.794 | 203.351 | 3.377 | 830.297 | 753.415 | -98.386 | |||||||
450 | 36.146 | 215.969 | 204.524 | 5.150 | 830.415 | 743.797 | -86.338 | |||||||
500 | 37.335 | 219.841 | 205.864 | 6.988 | 830.446 | 734.170 | -76.698 | |||||||
600 | 39.012 | 226.809 | 208.788 | 10.813 | 830.309 | 714.924 | -62.240 | |||||||
700 | 39.916 | 232.899 | 211.807 | 14.765 | 829.950 | 695.719 | -51.915 | |||||||
800 | 40.310 | 238.259 | 214.785 | 18.779 | 829.399 | 676.578 | -44.176 | |||||||
900 | 40.410 | 243.015 | 217.663 | 22.817 | 828.673 | 657.517 | -38.161 | |||||||
1000 | 40.355 | 247.271 | 220.415 | 26.856 | 827.788 | 638.546 | -33.354 | |||||||
1100 | 40.226 | 251.111 | 223.033 | 30.886 | 826.758 | 619.671 | -29.426 | |||||||
1200 | 40.071 | 254.605 | 225.521 | 34.901 | 825.595 | 600.895 | -26.156 | |||||||
1300 | 39.914 | 257.806 | 227.883 | 38.900 | 824.311 | 582.221 | -23.394 | |||||||
1400 | 39.766 | 260.758 | 230.127 | 42.884 | 822.915 | 563.651 | -21.030 | |||||||
1500 | 39.632 | 263.497 | 232.262 | 46.853 | 821.417 | 545.183 | -18.985 | |||||||
1600 | 39.516 | 266.051 | 234.295 | 50.811 | 819.821 | 526.819 | -17.199 | |||||||
1700 | 39.416 | 268.444 | 236.234 | 54.757 | 818.135 | 508.558 | -15.626 | |||||||
1800 | 39.332 | 270.694 | 238.086 | 58.694 | 816.363 | 490.398 | -14.231 | |||||||
1900 | 39.263 | 272.819 | 239.859 | 62.624 | 814.510 | 472.339 | -12.986 | |||||||
2000 | 39.207 | 274.832 | 241.558 | 66.547 | 812.578 | 454.380 | -11.867 | |||||||
2100 | 39.164 | 276.743 | 243.188 | 70.466 | 810.572 | 436.519 | -10.858 | |||||||
2200 | 39.132 | 278.564 | 244.755 | 74.381 | 808.492 | 418.755 | -9.943 | |||||||
2300 | 39.110 | 280.303 | 246.263 | 78.293 | 806.343 | 401.088 | -9.109 | |||||||
2400 | 39.098 | 281.968 | 247.716 | 82.203 | 703.606 | 385.653 | -8.394 | |||||||
2500 | 39.095 | 283.564 | 249.119 | 86.112 | 701.166 | 372.455 | -7.782 | |||||||
2600 | 39.099 | 285.097 | 250.473 | 90.022 | 698.725 | 359.355 | -7.220 | |||||||
2700 | 39.112 | 286.573 | 251.783 | 93.933 | 696.286 | 346.349 | -6.701 | |||||||
2800 | 39.131 | 287.996 | 253.051 | 97.845 | 693.848 | 333.432 | -6.220 | |||||||
2900 | 39.156 | 289.369 | 254.280 | 101.759 | 691.412 | 320.603 | -5.775 | |||||||
3000 | 39.188 | 290.697 | 255.472 | 105.676 | 688.979 | 307.858 | -5.360 | |||||||
3100 | 39.224 | 291.983 | 256.629 | 109.597 | 686.550 | 295.195 | -4.974 | |||||||
3200 | 39.266 | 293.229 | 257.753 | 113.521 | 684.124 | 282.609 | -4.613 | |||||||
3300 | 39.312 | 294.438 | 258.847 | 117.450 | 681.703 | 270.099 | -4.275 | |||||||
3400 | 39.362 | 295.612 | 259.911 | 121.384 | 679.287 | 257.662 | -3.958 | |||||||
3500 | 39.416 | 296.754 | 260.947 | 125.323 | 676.876 | 245.297 | -3.661 | |||||||
3600 | 39.474 | 297.865 | 261.957 | 129.267 | 674.470 | 233.000 | -3.381 | |||||||
3700 | 39.534 | 298.947 | 262.943 | 133.217 | 672.071 | 220.770 | -3.117 | |||||||
3800 | 39.597 | 300.002 | 263.904 | 137.174 | 669.677 | 208.605 | -2.867 | |||||||
3900 | 39.663 | 301.032 | 264.843 | 141.137 | 667.290 | 196.502 | -2.632 | |||||||
4000 | 39.731 | 302.037 | 265.760 | 145.107 | 664.910 | 184.461 | -2.409 | |||||||
4100 | 39.801 | 303.019 | 266.657 | 149.083 | 662.536 | 172.479 | -2.197 | |||||||
4200 | 39.872 | 303.979 | 267.534 | 153.067 | -299.529 | 174.604 | -2.172 | |||||||
4300 | 39.945 | 304.918 | 268.393 | 157.058 | -299.713 | 185.895 | -2.258 | |||||||
4400 | 40.020 | 305.837 | 269.233 | 161.056 | -299.894 | 197.190 | -2.341 | |||||||
4500 | 40.095 | 306.737 | 270.057 | 165.062 | -300.072 | 208.489 | -2.420 | |||||||
4600 | 40.172 | 307.619 | 270.864 | 169.075 | -300.247 | 219.793 | -2.496 | |||||||
4700 | 40.249 | 308.484 | 271.655 | 173.096 | -300.418 | 231.100 | -2.568 | |||||||
4800 | 40.328 | 309.332 | 272.431 | 177.125 | -300.588 | 242.411 | -2.638 | |||||||
4900 | 40.406 | 310.164 | 273.193 | 181.162 | -300.757 | 253.725 | -2.705 | |||||||
5000 | 40.486 | 310.982 | 273.940 | 185.206 | -300.924 | 265.042 | -2.769 | |||||||
5100 | 40.565 | 311.784 | 274.675 | 189.259 | -301.091 | 276.363 | -2.831 | |||||||
5200 | 40.645 | 312.573 | 275.396 | 193.319 | -301.258 | 287.688 | -2.890 | |||||||
5300 | 40.725 | 313.348 | 276.105 | 197.388 | -301.426 | 299.015 | -2.947 | |||||||
5400 | 40.805 | 314.110 | 276.801 | 201.464 | -301.596 | 310.346 | -3.002 | |||||||
5500 | 40.885 | 314.859 | 277.487 | 205.549 | -301.768 | 321.680 | -3.055 | |||||||
5600 | 40.966 | 315.596 | 278.160 | 209.641 | -301.942 | 333.017 | -3.106 | |||||||
5700 | 41.046 | 316.322 | 278.824 | 213.742 | -302.121 | 344.357 | -3.156 | |||||||
5800 | 41.126 | 317.037 | 279.476 | 217.850 | -302.303 | 355.700 | -3.203 | |||||||
5900 | 41.206 | 317.740 | 280.119 | 221.967 | -302.491 | 367.046 | -3.250 | |||||||
6000 | 41.285 | 318.434 | 280.752 | 226.092 | -302.685 | 378.396 | -3.294 | |||||||
PREVIOUS: March 1979 (1 atm) | CURRENT: March 1979 (1 bar) | |||||||||||||
Boron (B2) | B2(g) |
Download table in tab-delimited text format.