fH°fG°| Niobium Carbide (NbC0.98) | C0.98Nb1(cr) | |||||||||||||
| 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 | -5.422 | -138.061 | -138.061 | INFINITE | |||||||
| 100 | 14.426 | 7.983 | 56.725 | -4.874 | -138.352 | -137.801 | 71.980 | |||||||
| 200 | 27.476 | 22.238 | 35.932 | -2.739 | -138.635 | -137.103 | 35.808 | |||||||
| 298.15 | 36.233 | 34.966 | 34.966 | 0. | -138.909 | -136.785 | 23.964 | |||||||
| 300 | 36.380 | 35.190 | 34.966 | 0.067 | -138.903 | -136.772 | 23.814 | |||||||
| 400 | 41.882 | 46.463 | 36.466 | 3.999 | -138.481 | -136.120 | 17.776 | |||||||
| 500 | 45.145 | 56.179 | 39.461 | 8.359 | -137.986 | -135.587 | 14.165 | |||||||
| 600 | 47.363 | 64.616 | 42.966 | 12.990 | -137.514 | -135.153 | 11.766 | |||||||
| 700 | 48.911 | 72.038 | 46.600 | 17.806 | -137.091 | -134.793 | 10.058 | |||||||
| 800 | 50.124 | 78.651 | 50.200 | 22.760 | -136.718 | -134.491 | 8.781 | |||||||
| 900 | 51.087 | 84.611 | 53.698 | 27.822 | -136.389 | -134.233 | 7.791 | |||||||
| 1000 | 51.923 | 90.038 | 57.065 | 32.973 | -136.097 | -134.009 | 7.000 | |||||||
| 1100 | 52.635 | 95.021 | 60.292 | 38.202 | -135.839 | -133.813 | 6.354 | |||||||
| 1200 | 53.304 | 99.630 | 63.380 | 43.499 | -135.609 | -133.640 | 5.817 | |||||||
| 1300 | 53.932 | 103.921 | 66.336 | 48.861 | -135.398 | -133.484 | 5.363 | |||||||
| 1400 | 54.504 | 107.939 | 69.165 | 54.283 | -135.207 | -133.344 | 4.975 | |||||||
| 1500 | 55.061 | 111.718 | 71.878 | 59.761 | -135.038 | -133.217 | 4.639 | |||||||
| 1600 | 55.605 | 115.289 | 74.480 | 65.295 | -134.894 | -133.101 | 4.345 | |||||||
| 1700 | 56.134 | 118.676 | 76.981 | 70.882 | -134.781 | -132.992 | 4.086 | |||||||
| 1800 | 56.651 | 121.900 | 79.388 | 76.521 | -134.705 | -132.889 | 3.856 | |||||||
| 1900 | 57.153 | 124.976 | 81.707 | 82.211 | -134.671 | -132.790 | 3.651 | |||||||
| 2000 | 57.656 | 127.920 | 83.944 | 87.952 | -134.683 | -132.691 | 3.466 | |||||||
| 2100 | 58.158 | 130.746 | 86.106 | 93.743 | -134.745 | -132.590 | 3.298 | |||||||
| 2200 | 58.660 | 133.463 | 88.197 | 99.583 | -134.863 | -132.484 | 3.146 | |||||||
| 2300 | 59.162 | 136.081 | 90.223 | 105.475 | -135.042 | -132.373 | 3.006 | |||||||
| 2400 | 59.664 | 138.610 | 92.187 | 111.416 | -135.293 | -132.251 | 2.878 | |||||||
| 2500 | 60.166 | 141.056 | 94.093 | 117.407 | -135.630 | -132.118 | 2.760 | |||||||
| 2600 | 60.668 | 143.425 | 95.945 | 123.449 | -136.076 | -131.969 | 2.651 | |||||||
| 2700 | 61.170 | 145.724 | 97.746 | 129.541 | -136.669 | -131.801 | 2.550 | |||||||
| 2800 | 61.672 | 147.958 | 99.500 | 135.683 | -163.822 | -131.122 | 2.446 | |||||||
| 2900 | 62.174 | 150.131 | 101.208 | 141.875 | -163.565 | -129.959 | 2.341 | |||||||
| 3000 | 62.676 | 152.247 | 102.874 | 148.118 | -163.272 | -128.805 | 2.243 | |||||||
| PREVIOUS: | CURRENT: December 1973 | |||||||||||||
| Niobium Carbide (NbC0.98) | C0.98Nb1(cr) | |||||||||||||
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