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) fH° fG° 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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