Nitrogen Oxide (N2O5) N2O5(g) T(K) Cp S -[G-H(Tr)]/T H-H(Tr) delta-f H delta-f G log Kf 0 100 200 78.203 311.842 354.795 -8.591 12.733 83.104 -21.704 298.15 96.303 346.548 346.548 0. 11.297 118.013 -20.675 300 96.604 347.145 346.550 0.178 11.285 118.675 -20.663 400 110.851 376.991 350.523 10.587 11.349 154.497 -20.175 500 121.190 402.904 358.466 22.219 12.395 190.178 -19.868 600 128.382 425.677 367.809 34.720 14.013 225.590 -19.639 700 133.432 445.869 377.546 47.826 15.940 260.703 -19.454 800 137.001 463.930 387.235 61.356 18.018 295.528 -19.296 900 139.599 480.224 396.677 75.192 20.164 330.089 -19.158 1000 141.444 495.031 405.784 89.248 22.324 364.409 -19.035 1100 142.829 508.579 414.522 103.463 24.470 398.514 -18.924 1200 143.971 521.058 422.886 117.805 26.591 432.424 -18.823 1300 144.816 532.616 430.888 132.246 28.680 466.158 -18.730 1400 145.528 543.375 438.543 146.764 30.731 499.734 -18.645 1500 146.078 553.434 445.871 161.345 32.741 533.163 -18.566 1600 146.553 562.877 452.892 175.977 34.706 566.460 -18.493 1700 146.879 571.772 459.626 190.649 36.623 599.636 -18.425 1800 147.179 580.176 466.091 205.352 38.487 632.699 -18.360 1900 147.454 588.141 472.307 220.084 40.300 665.662 -18.300 2000 147.704 595.711 478.290 234.842 42.064 698.530 -18.244 2100 147.846 602.921 484.054 249.620 43.773 731.311 -18.190 2200 147.981 609.802 489.615 264.411 45.424 764.013 -18.140 2300 148.109 616.383 494.985 279.216 47.018 796.640 -18.092 2400 148.230 622.689 500.175 294.033 48.558 829.198 -18.047 2500 148.344 628.742 505.198 308.861 50.043 861.694 -18.004 2600 148.450 634.562 510.062 323.701 51.475 894.131 -17.963 2700 148.549 640.167 514.777 338.551 52.857 926.516 -17.925 2800 148.641 645.571 519.353 353.411 54.188 958.850 -17.888 2900 148.726 650.788 523.796 368.279 55.470 991.134 -17.852 3000 148.804 655.832 528.113 383.156 56.704 1023.378 -17.819 3100 148.851 660.712 532.312 398.038 57.892 1055.582 -17.786 3200 148.896 665.438 536.399 412.926 59.032 1087.746 -17.756 3300 148.939 670.021 540.379 427.818 60.127 1119.875 -17.726 3400 148.980 674.468 544.258 442.714 61.180 1151.974 -17.698 3500 149.019 678.787 548.040 457.614 62.190 1184.041 -17.671 3600 149.057 682.985 551.730 472.517 63.161 1216.080 -17.645 3700 149.092 687.070 555.333 487.425 64.094 1248.092 -17.620 3800 149.125 691.046 558.853 502.336 64.989 1280.082 -17.596 3900 149.156 694.920 562.292 517.250 65.849 1312.047 -17.573 4000 149.185 698.697 565.655 532.167 66.674 1343.989 -17.551 4100 149.206 702.381 568.945 547.086 67.465 1375.912 -17.529 4200 149.227 705.977 572.165 562.008 68.223 1407.816 -17.509 4300 149.247 709.488 575.318 576.932 68.948 1439.704 -17.489 4400 149.267 712.920 578.407 591.858 69.640 1471.572 -17.470 4500 149.285 716.274 581.433 606.785 70.301 1503.426 -17.451 4600 149.303 719.556 584.400 621.715 70.929 1535.266 -17.433 4700 149.319 722.767 587.310 636.646 71.525 1567.093 -17.416 4800 149.335 725.911 590.165 651.578 72.088 1598.908 -17.400 4900 149.350 728.990 592.967 666.513 72.616 1630.713 -17.384 5000 149.365 732.007 595.718 681.448 73.111 1662.506 -17.368 5100 149.378 734.965 598.419 696.386 73.569 1694.290 -17.353 5200 149.391 737.866 601.073 711.324 73.990 1726.062 -17.339 5300 149.402 740.712 603.681 726.264 74.373 1757.831 -17.324 5400 149.413 743.505 606.244 741.204 74.714 1789.590 -17.311 5500 149.423 746.246 608.765 756.146 75.014 1821.343 -17.298 5600 149.432 748.939 611.244 771.089 75.269 1853.094 -17.285 5700 149.441 751.584 613.683 786.033 75.477 1884.838 -17.273 5800 149.448 754.183 616.083 800.977 75.635 1916.581 -17.261 5900 149.455 756.738 618.446 815.922 75.741 1948.317 -17.249 6000 149.461 759.250 620.772 830.868 75.791 1980.057 -17.238