Potassium Cyanide ((KCN)2) C2K2N2(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 -24.786 -8.217 -8.217 INFINITE
100 77.547 266.448 465.521 -19.907 -9.825 -13.178 6.883
200 103.437 330.321 383.046 -10.545 -9.215 -16.652 4.349
250 107.785 353.916 374.932 -5.254 -8.720 -18.570 3.880
 
298.15 110.262 373.129 373.129 0. -8.368 -20.502 3.592
 
300 110.337 373.812 373.132 0.204 -8.359 -20.578 3.583
350 112.029 390.955 374.482 5.766 -12.978 -22.435 3.348
400 113.310 406.001 377.500 11.400 -13.082 -23.779 3.105
450 114.405 419.411 381.425 17.094 -13.238 -25.107 2.914
500 115.421 431.518 385.839 22.839 -13.451 -26.415 2.760
 
600 117.361 452.734 395.269 34.479 -14.030 -28.957 2.521
700 119.200 470.965 404.811 46.308 -14.781 -31.388 2.342
800 120.890 486.995 414.102 58.314 -15.680 -33.700 2.200
900 122.393 501.322 423.011 70.480 -16.725 -35.892 2.083
1000 123.702 514.287 431.500 82.786 -17.931 -37.958 1.983
 
1100 124.828 526.131 439.573 95.214 -177.226 -30.675 1.457
1200 125.791 537.035 447.246 107.747 -176.702 -17.376 0.756
1300 126.614 547.137 454.546 120.368 -176.230 -4.118 0.165
1400 127.317 556.547 461.500 133.065 -175.804 9.105 -0.340
1500 127.920 565.352 468.133 145.828 -175.417 22.299 -0.777
 
1600 128.439 573.624 474.470 158.647 -175.069 35.468 -1.158
1700 128.888 581.425 480.534 171.514 -174.757 48.617 -1.494
1800 129.277 588.803 486.346 184.422 -174.481 61.749 -1.792
1900 129.616 595.802 491.924 197.367 -174.241 74.866 -2.058
2000 129.913 602.458 497.286 210.344 -174.041 87.971 -2.298
 
2100 130.175 608.803 502.447 223.349 -173.881 101.068 -2.514
2200 130.405 614.864 507.420 236.378 -173.766 114.158 -2.710
2300 130.610 620.666 512.218 249.429 -173.699 127.244 -2.890
2400 130.793 626.228 516.854 262.499 -173.684 140.328 -3.054
2500 130.956 631.571 521.336 275.587 -173.726 153.412 -3.205
 
2600 131.102 636.710 525.675 288.690 -173.831 166.499 -3.345
2700 131.234 641.660 529.880 301.807 -174.002 179.592 -3.474
2800 131.353 646.435 533.958 314.936 -174.248 192.692 -3.595
2900 131.460 651.046 537.916 328.077 -174.573 205.803 -3.707
3000 131.558 655.505 541.762 341.228 -174.984 218.926 -3.812
 
3100 131.647 659.820 545.501 354.388 -175.488 232.064 -3.910
3200 131.729 664.001 549.139 367.557 -176.094 245.221 -4.003
3300 131.803 668.056 552.682 380.734 -176.789 258.396 -4.090
3400 131.871 671.991 556.133 393.917 -177.609 271.596 -4.173
3500 131.934 675.815 559.498 407.108 -178.547 284.820 -4.251
 
3600 131.992 679.532 562.781 420.304 -179.619 298.074 -4.325
3700 132.046 683.150 565.986 433.506 -180.830 311.360 -4.396
3800 132.095 686.672 569.116 446.713 -182.188 324.680 -4.463
3900 132.141 690.104 572.174 459.925 -183.704 338.038 -4.528
4000 132.184 693.450 575.164 473.141 -185.374 351.436 -4.589
 
4100 132.224 696.714 578.089 486.362 -187.220 364.878 -4.649
4200 132.261 699.901 580.952 499.586 -189.258 378.368 -4.706
4300 132.295 703.013 583.754 512.814 -191.491 391.909 -4.761
4400 132.327 706.055 586.499 526.045 -193.373 405.450 -4.813
4500 132.358 709.029 589.189 539.279 -195.885 419.087 -4.865
 
4600 132.386 711.939 591.826 552.516 -198.594 432.783 -4.914
4700 132.413 714.786 594.412 565.756 -201.465 446.535 -4.963
4800 132.438 717.574 596.949 578.999 -204.323 460.327 -5.009
4900 132.461 720.305 599.439 592.244 -207.595 474.208 -5.055
5000 132.483 722.981 601.883 605.491 -211.075 488.157 -5.100
 
5100 132.504 725.605 604.283 618.740 -214.766 502.178 -5.143
5200 132.524 728.178 606.641 631.992 -218.669 516.273 -5.186
5300 132.542 730.703 608.958 645.245 -222.784 530.446 -5.228
5400 132.560 733.180 611.236 658.500 -227.113 544.698 -5.269
5500 132.577 735.613 613.475 671.757 -231.652 559.032 -5.309
 
5600 132.593 738.002 615.678 685.016 -236.402 573.451 -5.349
5700 132.608 740.349 617.844 698.276 -240.670 587.861 -5.387
5800 132.622 742.655 619.976 711.537 -245.745 602.440 -5.426
5900 132.635 744.922 622.075 724.800 -251.012 617.109 -5.463
6000 132.648 747.152 624.141 738.064 -256.468 631.869 -5.501
 
PREVIOUS: March 1966 (1 atm) CURRENT: March 1966 (1 bar)
 
Potassium Cyanide ((KCN)2) C2K2N2(g)

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