fH°fG°| Chromium Carbide (Cr7C3) | C3Cr7(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 | -34.397 | -163.508 | -163.508 | INFINITE | |||||||
| 100 | 80.414 | 39.481 | 355.684 | -31.620 | -163.089 | -163.752 | 85.535 | |||||||
| 200 | 167.414 | 125.392 | 218.991 | -18.720 | -162.255 | -164.668 | 43.007 | |||||||
| 298.15 | 209.748 | 200.983 | 200.983 | 0. | -160.666 | -166.161 | 29.111 | |||||||
| 300 | 210.372 | 202.282 | 200.987 | 0.389 | -160.628 | -166.195 | 28.937 | |||||||
| 400 | 236.714 | 266.701 | 209.591 | 22.844 | -159.033 | -168.182 | 21.962 | |||||||
| 500 | 252.873 | 321.361 | 226.622 | 47.369 | -156.663 | -170.748 | 17.838 | |||||||
| 600 | 263.504 | 368.438 | 246.427 | 73.206 | -154.596 | -173.765 | 15.128 | |||||||
| 700 | 271.956 | 409.702 | 266.865 | 99.986 | -152.839 | -177.103 | 13.216 | |||||||
| 800 | 279.608 | 446.519 | 287.061 | 127.566 | -151.313 | -180.676 | 11.797 | |||||||
| 900 | 287.006 | 479.880 | 306.660 | 155.897 | -150.046 | -184.425 | 10.704 | |||||||
| 1000 | 294.369 | 510.499 | 325.534 | 184.966 | -149.159 | -188.297 | 9.836 | |||||||
| 1100 | 301.779 | 538.903 | 343.655 | 214.773 | -148.794 | -192.233 | 9.128 | |||||||
| 1200 | 309.269 | 565.481 | 361.045 | 245.324 | -149.015 | -196.177 | 8.539 | |||||||
| 1300 | 316.842 | 590.535 | 377.743 | 276.629 | -149.909 | -200.076 | 8.039 | |||||||
| 1400 | 324.494 | 614.295 | 393.798 | 308.695 | -151.542 | -203.879 | 7.607 | |||||||
| 1500 | 332.214 | 636.945 | 409.259 | 341.530 | -153.940 | -207.538 | 7.227 | |||||||
| 1600 | 339.992 | 658.634 | 424.171 | 375.140 | -157.128 | -211.012 | 6.889 | |||||||
| 1700 | 347.824 | 679.481 | 438.580 | 409.531 | -161.123 | -214.261 | 6.583 | |||||||
| 1800 | 355.703 | 699.585 | 452.525 | 444.707 | -165.938 | -217.252 | 6.304 | |||||||
| 1900 | 363.619 | 719.028 | 466.043 | 480.672 | -171.585 | -219.953 | 6.047 | |||||||
| 2000 | 371.568 | 737.882 | 479.166 | 517.431 | -178.075 | -222.334 | 5.807 | |||||||
| 2100 | 379.552 | 756.204 | 491.924 | 554.987 | -185.417 | -224.370 | 5.581 | |||||||
| 2200 | 387.543 | 774.045 | 504.344 | 593.342 | -328.970 | -221.450 | 5.258 | |||||||
| 2300 | 395.530 | 791.448 | 516.450 | 632.496 | -325.008 | -216.649 | 4.920 | |||||||
| 2400 | 403.526 | 808.451 | 528.264 | 672.449 | -320.295 | -212.036 | 4.615 | |||||||
| 2500 | 411.517 | 825.085 | 539.805 | 713.201 | -314.828 | -207.635 | 4.338 | |||||||
| PREVIOUS: | CURRENT: December 1973 | |||||||||||||
| Chromium Carbide (Cr7C3) | C3Cr7(cr) | |||||||||||||
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