Tantalum, Ion (Ta-) Ta1-(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 -6.416 750.403    
100 20.787 150.978 194.351 -4.337      
200 21.456 165.484 176.691 -2.241      
250 22.780 170.401 174.954 -1.138      
 
298.15 24.558 174.560 174.560 0. 744.941 711.515 -124.654
 
300 24.632 174.712 174.561 0.045 744.901 711.308 -123.850
350 26.631 178.660 174.868 1.327 743.870 705.791 -105.334
400 28.486 182.340 175.575 2.706 742.924 700.417 -91.465
450 30.041 185.788 176.520 4.171 742.051 695.157 -80.692
500 31.236 189.018 177.610 5.704 741.234 689.991 -72.083
 
600 32.583 194.852 180.009 8.906 739.697 679.888 -59.189
700 32.816 199.904 182.499 12.184 738.192 670.038 -49.999
800 32.336 204.261 184.954 15.446 736.642 660.407 -43.120
900 31.479 208.022 187.313 18.638 735.000 650.975 -37.782
1000 30.476 211.288 189.551 21.737 733.240 641.732 -33.521
 
1100 29.464 214.145 191.660 24.733 731.348 632.672 -30.043
1200 28.511 216.667 193.641 27.631 729.320 623.790 -27.153
1300 27.649 218.914 195.500 30.439 727.165 615.082 -24.714
1400 26.885 220.935 197.246 33.164 724.902 606.545 -22.630
1500 26.216 222.766 198.887 35.819 722.551 598.172 -20.830
 
1600 25.633 224.439 200.432 38.411 720.127 589.959 -19.260
1700 25.127 225.977 201.890 40.948 717.631 581.900 -17.880
1800 24.688 227.401 203.269 43.438 715.053 573.989 -16.657
1900 24.306 228.725 204.574 45.887 712.384 566.225 -15.567
2000 23.972 229.963 205.813 48.301 709.626 558.603 -14.589
 
2100 23.680 231.126 206.991 50.683 706.785 551.122 -13.708
2200 23.424 232.221 208.113 53.038 703.863 543.777 -12.911
2300 23.199 233.258 209.184 55.369 700.862 536.568 -12.186
2400 23.000 234.241 210.208 57.679 697.779 529.490 -11.524
2500 22.823 235.176 211.188 59.970 694.611 522.543 -10.918
 
2600 22.666 236.068 212.128 62.244 691.351 515.724 -10.361
2700 22.525 236.921 213.030 64.504 687.990 509.033 -9.848
2800 22.399 237.737 213.898 66.750 684.517 502.468 -9.374
2900 22.286 238.521 214.734 68.984 680.918 496.029 -8.934
3000 22.184 239.275 215.539 71.207 677.180 489.717 -8.527
 
3100 22.091 240.001 216.317 73.421 673.283 483.532 -8.147
3200 22.008 240.701 217.068 75.626 669.208 477.476 -7.794
3300 21.931 241.377 217.794 77.823 628.478 472.020 -7.471
3400 21.862 242.031 218.498 80.012 624.405 467.340 -7.180
3500 21.799 242.664 219.179 82.195 620.325 462.780 -6.907
 
3600 21.740 243.277 219.840 84.372 616.239 458.337 -6.650
3700 21.687 243.872 220.482 86.543 612.148 454.007 -6.409
3800 21.638 244.449 221.105 88.710 608.052 449.787 -6.183
3900 21.593 245.011 221.711 90.871 603.951 445.676 -5.969
4000 21.551 245.557 222.300 93.028 599.845 441.670 -5.768
 
4100 21.512 246.089 222.874 95.182 595.736 437.766 -5.577
4200 21.476 246.607 223.433 97.331 591.623 433.963 -5.397
4300 21.443 247.112 223.977 99.477 587.506 430.258 -5.227
4400 21.412 247.604 224.509 101.620 583.386 426.649 -5.065
4500 21.383 248.085 225.027 103.759 579.263 423.133 -4.912
 
4600 21.356 248.555 225.534 105.896 575.138 419.709 -4.766
4700 21.331 249.014 226.029 108.031 571.009 416.375 -4.627
4800 21.307 249.463 226.512 110.163 566.879 413.128 -4.496
4900 21.285 249.902 226.985 112.292 562.746 409.968 -4.370
5000 21.264 250.332 227.448 114.420 558.610 406.892 -4.251
 
5100 21.245 250.752 227.900 116.545 554.473 403.898 -4.137
5200 21.227 251.165 228.344 118.669 550.334 400.986 -4.028
5300 21.209 251.569 228.778 120.790 546.193 398.154 -3.924
5400 21.193 251.965 229.204 122.911 542.051 395.399 -3.825
5500 21.178 252.354 229.621 125.029 537.907 392.722 -3.730
 
5600 21.163 252.735 230.031 127.146 533.761 390.120 -3.639
5700 21.149 253.110 230.432 129.262 529.614 387.591 -3.552
5800 21.136 253.478 230.827 131.376 -213.289 387.937 -3.494
5900 21.124 253.839 231.214 133.489 -217.652 398.340 -3.527
6000 21.112 254.194 231.594 135.601 -222.060 408.818 -3.559
 
PREVIOUS: CURRENT: March 1984 (1 bar)
 
Tantalum, Ion (Ta-) Ta1-(g)

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