Tungstic Acid (O2W(OH)2) H2O4W1(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 -21.062 -896.091 -896.091 INFINITE
100 60.677 265.197 430.296 -16.510 -901.000 -881.824 460.618
200 84.476 314.672 360.846 -9.235 -904.248 -861.251 224.936
250 94.555 334.639 353.644 -4.751 -905.233 -850.380 177.677
 
298.15 102.527 351.999 351.999 0. -905.836 -839.756 147.122
 
300 102.802 352.634 352.001 0.190 -905.853 -839.346 146.143
350 109.449 368.999 353.278 5.502 -906.167 -828.233 123.607
400 114.836 383.977 356.193 11.114 -906.241 -817.091 106.701
450 119.269 397.767 360.056 16.970 -906.131 -805.953 93.553
500 122.986 410.531 364.473 23.029 -905.881 -794.834 83.036
 
600 128.916 433.504 374.107 35.638 -905.077 -772.694 67.269
700 133.483 453.733 384.066 48.767 -903.996 -750.713 56.019
800 137.120 471.804 393.924 62.304 -902.731 -728.900 47.592
900 140.070 488.130 403.499 76.168 -901.341 -707.253 41.048
1000 142.491 503.017 412.717 90.300 -899.871 -685.766 35.821
 
1100 144.492 516.695 421.557 104.652 -898.355 -664.429 31.551
1200 146.159 529.341 430.018 119.187 -896.820 -643.230 27.999
1300 147.555 541.097 438.116 133.875 -895.289 -622.160 24.999
1400 148.733 552.076 445.868 148.691 -893.780 -601.207 22.431
1500 149.733 562.373 453.296 163.616 -892.309 -580.361 20.210
 
1600 150.587 572.064 460.419 178.633 -890.887 -559.611 18.269
1700 151.320 581.216 467.258 193.729 -889.525 -538.948 16.560
1800 151.954 589.884 473.832 208.894 -888.231 -518.364 15.043
1900 152.504 598.114 480.158 224.117 -887.011 -497.850 13.687
2000 152.985 605.949 486.253 239.392 -885.872 -477.397 12.468
 
2100 153.407 613.424 492.132 254.712 -884.818 -457.000 11.367
2200 153.779 620.569 497.809 270.072 -883.853 -436.649 10.367
2300 154.109 627.412 503.297 285.467 -882.979 -416.342 9.455
2400 154.402 633.978 508.606 300.892 -882.199 -396.072 8.620
2500 154.664 640.286 513.748 316.346 -881.513 -375.831 7.853
 
2600 154.898 646.357 518.732 331.824 -880.921 -355.615 7.144
2700 155.109 652.207 523.568 347.325 -880.448 -335.420 6.489
2800 155.300 657.851 528.263 362.846 -880.131 -315.240 5.881
2900 155.472 663.304 532.826 378.384 -880.008 -295.069 5.315
3000 155.628 668.577 537.264 393.939 -880.106 -274.897 4.786
 
3100 155.771 673.683 541.583 409.509 -880.467 -254.718 4.292
3200 155.901 678.630 545.789 425.093 -881.123 -234.524 3.828
3300 156.020 683.429 549.887 440.689 -882.098 -214.304 3.392
3400 156.129 688.089 553.884 456.297 -883.426 -194.048 2.981
3500 156.229 692.616 557.783 471.915 -885.171 -173.748 2.593
 
3600 156.321 697.018 561.590 487.542 -887.428 -153.391 2.226
3700 156.407 701.303 565.308 503.179 -925.062 -132.773 1.874
3800 156.486 705.475 568.942 518.823 -925.055 -111.359 1.531
3900 156.559 709.540 572.495 534.476 -925.087 -89.945 1.205
4000 156.627 713.505 575.971 550.135 -925.157 -68.531 0.895
 
4100 156.690 717.373 579.373 565.801 -925.266 -47.114 0.600
4200 156.749 721.150 582.704 581.473 -925.412 -25.694 0.320
4300 156.804 724.839 585.967 597.151 -925.595 -4.269 0.052
4400 156.856 728.444 589.164 612.834 -925.816 17.158 -0.204
4500 156.904 731.970 592.299 628.522 -926.073 38.591 -0.448
 
4600 156.949 735.419 595.372 644.214 -926.368 60.031 -0.682
4700 156.991 738.795 598.388 659.911 -926.699 81.479 -0.906
4800 157.031 742.100 601.348 675.612 -927.068 102.933 -1.120
4900 157.068 745.339 604.254 691.317 -927.475 124.397 -1.326
5000 157.103 748.512 607.107 707.026 -927.920 145.869 -1.524
 
5100 157.137 751.624 609.910 722.738 -928.403 167.349 -1.714
5200 157.168 754.675 612.665 738.453 -928.926 188.838 -1.897
5300 157.198 757.669 615.373 754.172 -929.488 210.340 -2.073
5400 157.226 760.608 618.035 769.893 -930.092 231.851 -2.243
5500 157.252 763.493 620.654 785.617 -930.737 253.373 -2.406
 
5600 157.278 766.327 623.230 801.343 -931.425 274.911 -2.564
5700 157.301 769.111 625.765 817.072 -932.156 296.458 -2.717
5800 157.324 771.847 628.260 832.803 -932.933 318.021 -2.864
5900 157.346 774.536 630.716 848.537 -933.755 339.592 -3.007
6000 157.366 777.181 633.136 864.272 -934.625 361.184 -3.144
 
PREVIOUS: March 1967 (1 atm) CURRENT: March 1967 (1 bar)
 
Tungstic Acid (O2W(OH)2) H2O4W1(g)

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