Phosphorus Oxide ((P2O5)2) | O10P4(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 | -30.951 | -2870.176 | -2870.176 | INFINITE | |||||||
100 | 70.439 | 269.420 | 534.866 | -26.545 | -2883.841 | -2817.054 | 1471.478 | |||||||
200 | 136.770 | 339.152 | 419.662 | -16.102 | -2897.007 | -2745.652 | 717.091 | |||||||
250 | 165.183 | 372.796 | 406.944 | -8.537 | -2901.099 | -2707.317 | 565.663 | |||||||
298.15 | 188.804 | 403.964 | 403.964 | 0. | -2904.081 | -2669.711 | 467.722 | |||||||
300 | 189.639 | 405.134 | 403.967 | 0.350 | -2904.179 | -2668.257 | 464.585 | |||||||
350 | 210.273 | 435.963 | 406.355 | 10.363 | -2909.292 | -2628.464 | 392.277 | |||||||
400 | 227.511 | 465.202 | 411.900 | 21.321 | -2911.072 | -2588.215 | 337.986 | |||||||
450 | 241.860 | 492.853 | 419.373 | 33.066 | -2912.178 | -2547.785 | 295.739 | |||||||
500 | 253.807 | 518.973 | 428.039 | 45.467 | -2912.751 | -2507.262 | 261.932 | |||||||
600 | 272.134 | 566.965 | 447.269 | 71.818 | -2912.729 | -2426.144 | 211.215 | |||||||
700 | 285.128 | 609.946 | 467.494 | 99.717 | -2911.633 | -2345.122 | 174.995 | |||||||
800 | 294.543 | 648.667 | 487.761 | 128.724 | -2909.840 | -2264.308 | 147.844 | |||||||
900 | 301.519 | 683.781 | 507.621 | 158.544 | -2907.577 | -2183.748 | 126.741 | |||||||
1000 | 306.801 | 715.835 | 526.863 | 188.972 | -2904.990 | -2103.459 | 109.873 | |||||||
1100 | 310.877 | 745.276 | 545.399 | 219.864 | -2902.173 | -2023.439 | 96.085 | |||||||
1200 | 314.081 | 772.469 | 563.203 | 251.119 | -3153.482 | -1939.372 | 84.419 | |||||||
1300 | 316.638 | 797.713 | 580.283 | 282.659 | -3147.288 | -1838.447 | 73.870 | |||||||
1400 | 318.708 | 821.257 | 596.664 | 314.430 | -3141.035 | -1738.001 | 64.846 | |||||||
1500 | 320.406 | 843.305 | 612.380 | 346.388 | -3134.750 | -1638.004 | 57.040 | |||||||
1600 | 321.814 | 864.030 | 627.467 | 378.501 | -3128.454 | -1538.426 | 50.224 | |||||||
1700 | 322.995 | 883.576 | 641.962 | 410.744 | -3122.165 | -1439.242 | 44.223 | |||||||
1800 | 323.993 | 902.067 | 655.904 | 443.094 | -3115.899 | -1340.429 | 38.898 | |||||||
1900 | 324.845 | 919.608 | 669.325 | 475.537 | -3109.669 | -1241.961 | 34.144 | |||||||
2000 | 325.577 | 936.290 | 682.260 | 508.059 | -3103.484 | -1143.821 | 29.874 | |||||||
2100 | 326.211 | 952.190 | 694.738 | 540.650 | -3097.355 | -1045.988 | 26.018 | |||||||
2200 | 326.763 | 967.379 | 706.788 | 573.299 | -3091.289 | -948.444 | 22.519 | |||||||
2300 | 327.246 | 981.915 | 718.436 | 606.000 | -3085.291 | -851.178 | 19.331 | |||||||
2400 | 327.672 | 995.851 | 729.707 | 638.746 | -3079.366 | -754.172 | 16.414 | |||||||
2500 | 328.050 | 1009.235 | 740.622 | 671.533 | -3073.517 | -657.409 | 13.736 | |||||||
2600 | 328.385 | 1022.108 | 751.203 | 704.355 | -3067.746 | -560.879 | 11.268 | |||||||
2700 | 328.685 | 1034.507 | 761.467 | 737.208 | -3062.056 | -464.568 | 8.988 | |||||||
2800 | 328.954 | 1046.466 | 771.434 | 770.091 | -3056.445 | -368.466 | 6.874 | |||||||
2900 | 329.196 | 1058.014 | 781.118 | 802.998 | -3050.914 | -272.569 | 4.909 | |||||||
3000 | 329.415 | 1069.178 | 790.535 | 835.929 | -3045.464 | -176.855 | 3.079 | |||||||
3100 | 329.613 | 1079.982 | 799.698 | 868.881 | -3040.091 | -81.321 | 1.370 | |||||||
3200 | 329.793 | 1090.450 | 808.622 | 901.851 | -3034.796 | 14.035 | -0.229 | |||||||
3300 | 329.957 | 1100.601 | 817.316 | 934.839 | -3029.575 | 109.229 | -1.729 | |||||||
3400 | 330.108 | 1110.453 | 825.794 | 967.842 | -3024.427 | 204.269 | -3.138 | |||||||
3500 | 330.245 | 1120.024 | 834.064 | 1000.860 | -3019.352 | 299.155 | -4.465 | |||||||
3600 | 330.372 | 1129.329 | 842.138 | 1033.891 | -3014.344 | 393.899 | -5.715 | |||||||
3700 | 330.488 | 1138.383 | 850.022 | 1066.934 | -3009.405 | 488.502 | -6.896 | |||||||
3800 | 330.596 | 1147.198 | 857.727 | 1099.988 | -3004.531 | 582.980 | -8.014 | |||||||
3900 | 330.695 | 1155.787 | 865.260 | 1133.053 | -2999.720 | 677.326 | -9.072 | |||||||
4000 | 330.788 | 1164.160 | 872.629 | 1166.127 | -2994.972 | 771.546 | -10.075 | |||||||
4100 | 330.873 | 1172.329 | 879.839 | 1199.210 | -2990.286 | 865.651 | -11.029 | |||||||
4200 | 330.953 | 1180.304 | 886.898 | 1232.301 | -2985.658 | 959.642 | -11.935 | |||||||
4300 | 331.027 | 1188.092 | 893.813 | 1265.400 | -2981.091 | 1053.526 | -12.798 | |||||||
4400 | 331.096 | 1195.703 | 900.588 | 1298.507 | -2976.583 | 1147.299 | -13.620 | |||||||
4500 | 331.161 | 1203.144 | 907.229 | 1331.620 | -2972.132 | 1240.972 | -14.405 | |||||||
4600 | 331.221 | 1210.423 | 913.741 | 1364.739 | -2967.742 | 1334.546 | -15.154 | |||||||
4700 | 331.278 | 1217.547 | 920.130 | 1397.864 | -2963.413 | 1428.029 | -15.871 | |||||||
4800 | 331.331 | 1224.523 | 926.399 | 1430.994 | -2959.145 | 1521.419 | -16.556 | |||||||
4900 | 331.381 | 1231.355 | 932.553 | 1464.130 | -2954.941 | 1614.724 | -17.213 | |||||||
5000 | 331.429 | 1238.050 | 938.596 | 1497.270 | -2950.801 | 1707.940 | -17.843 | |||||||
5100 | 331.473 | 1244.614 | 944.532 | 1530.416 | -2946.730 | 1801.076 | -18.447 | |||||||
5200 | 331.515 | 1251.051 | 950.365 | 1563.565 | -2942.728 | 1894.126 | -19.027 | |||||||
5300 | 331.554 | 1257.366 | 956.098 | 1596.718 | -2938.801 | 1987.109 | -19.584 | |||||||
5400 | 331.592 | 1263.564 | 961.735 | 1629.876 | -2934.952 | 2080.012 | -20.120 | |||||||
5500 | 331.627 | 1269.648 | 967.278 | 1663.037 | -2931.182 | 2172.844 | -20.636 | |||||||
5600 | 331.660 | 1275.624 | 972.731 | 1696.201 | -2927.500 | 2265.616 | -21.133 | |||||||
5700 | 331.692 | 1281.495 | 978.097 | 1729.369 | -2923.907 | 2358.316 | -21.612 | |||||||
5800 | 331.722 | 1287.264 | 983.378 | 1762.539 | -2920.408 | 2450.960 | -22.073 | |||||||
5900 | 331.751 | 1292.934 | 988.576 | 1795.713 | -2917.010 | 2543.532 | -22.519 | |||||||
6000 | 331.778 | 1298.510 | 993.696 | 1828.890 | -2913.718 | 2636.061 | -22.949 | |||||||
PREVIOUS: December 1965 (1 atm) | CURRENT: December 1965 (1 bar) | |||||||||||||
Phosphorus Oxide ((P2O5)2) | O10P4(g) |
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