Potassium, Ion (K+) K1+(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 -6.197 508.695    
100 20.786 131.869 173.057 -4.119      
200 20.786 146.277 156.478 -2.040      
250 20.786 150.915 154.919 -1.001      
 
298.15 20.786 154.576 154.576 0. 514.007 480.947 -84.260
 
300 20.786 154.705 154.577 0.038 514.030 480.742 -83.705
350 20.786 157.909 154.830 1.078 512.217 475.245 -70.926
400 20.786 160.685 155.392 2.117 512.709 469.930 -61.367
450 20.786 163.133 156.119 3.156 513.223 464.552 -53.924
500 20.786 165.323 156.932 4.196 513.758 459.116 -47.963
 
600 20.786 169.113 158.656 6.274 514.876 448.083 -39.009
700 20.786 172.317 160.384 8.353 516.037 436.860 -32.599
800 20.786 175.092 162.053 10.431 517.217 425.468 -27.780
900 20.786 177.541 163.641 12.510 518.392 413.929 -24.024
1000 20.786 179.731 165.142 14.589 519.536 402.260 -21.012
 
1100 20.786 181.712 166.560 16.667 441.675 395.089 -18.761
1200 20.786 183.520 167.899 18.746 443.753 390.762 -17.009
1300 20.786 185.184 169.165 20.824 445.832 386.262 -15.520
1400 20.786 186.725 170.365 22.903 447.910 381.602 -14.238
1500 20.786 188.159 171.504 24.982 449.988 376.793 -13.121
 
1600 20.786 189.500 172.588 27.060 452.064 371.845 -12.140
1700 20.786 190.760 173.620 29.139 454.139 366.768 -11.269
1800 20.786 191.948 174.605 31.217 456.211 361.569 -10.492
1900 20.786 193.072 175.548 33.296 458.279 356.255 -9.794
2000 20.786 194.138 176.451 35.375 460.342 350.832 -9.163
 
2100 20.786 195.153 177.318 37.453 462.398 345.305 -8.589
2200 20.786 196.120 178.151 39.532 464.445 339.682 -8.065
2300 20.786 197.044 178.952 41.610 466.480 333.965 -7.585
2400 20.786 197.928 179.724 43.689 468.502 328.160 -7.142
2500 20.786 198.777 180.470 45.768 470.508 322.271 -6.733
 
2600 20.786 199.592 181.190 47.846 472.494 316.302 -6.355
2700 20.786 200.376 181.886 49.925 474.459 310.258 -6.002
2800 20.786 201.132 182.560 52.004 476.399 304.141 -5.674
2900 20.786 201.862 183.213 54.082 478.311 297.955 -5.367
3000 20.786 202.566 183.846 56.161 480.192 291.703 -5.079
 
3100 20.786 203.248 184.461 58.239 482.037 285.390 -4.809
3200 20.786 203.908 185.059 60.318 483.844 279.017 -4.554
3300 20.786 204.548 185.640 62.397 485.617 272.589 -4.315
3400 20.786 205.168 186.205 64.475 487.339 266.107 -4.088
3500 20.786 205.771 186.755 66.554 489.013 259.576 -3.874
 
3600 20.786 206.356 187.292 68.632 490.632 252.997 -3.671
3700 20.786 206.926 187.815 70.711 492.193 246.375 -3.478
3800 20.786 207.480 188.325 72.790 493.691 239.711 -3.295
3900 20.786 208.020 188.823 74.868 495.122 233.008 -3.121
4000 20.786 208.546 189.310 76.947 496.487 226.269 -2.955
 
4100 20.786 209.060 189.785 79.025 497.775 219.497 -2.796
4200 20.786 209.560 190.250 81.104 498.978 212.695 -2.645
4300 20.786 210.050 190.705 83.183 500.095 205.866 -2.501
4400 20.786 210.527 191.150 85.261 501.399 198.984 -2.362
4500 20.786 210.995 191.586 87.340 502.399 192.099 -2.230
 
4600 20.786 211.451 192.013 89.418 503.312 185.194 -2.103
4700 20.786 211.898 192.431 91.497 504.155 178.267 -1.981
4800 20.786 212.336 192.841 93.576 505.016 171.311 -1.864
4900 20.786 212.765 193.243 95.654 505.680 164.352 -1.752
5000 20.786 213.185 193.638 97.733 506.253 157.380 -1.644
 
5100 20.786 213.596 194.025 99.811 506.731 150.398 -1.540
5200 20.786 214.000 194.406 101.890 507.114 143.407 -1.441
5300 20.786 214.396 194.779 103.969 507.403 136.410 -1.344
5400 20.786 214.784 195.146 106.047 507.596 129.408 -1.252
5500 20.786 215.166 195.506 108.126 507.695 122.403 -1.162
 
5600 20.786 215.540 195.861 110.204 507.701 115.398 -1.076
5700 20.786 215.908 196.209 112.283 507.959 108.345 -0.993
5800 20.786 216.270 196.552 114.362 507.825 101.336 -0.913
5900 20.786 216.625 196.889 116.440 507.607 94.329 -0.835
6000 20.786 216.974 197.221 118.519 507.306 87.327 -0.760
 
PREVIOUS: March 1965 (1 atm) CURRENT: December 1983 (1 bar)
 
Potassium, Ion (K+) K1+(g)

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