Chromium Oxide (Cr2O3) | Cr2O3(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) | ![]() |
![]() |
log Kf | |||||||
0 | 0. | 0. | INFINITE | -15.282 | -1128.844 | -1128.844 | INFINITE | |||||||
100 | 24.255 | 10.093 | 155.642 | -14.555 | -1133.096 | -1107.252 | 578.369 | |||||||
200 | 75.412 | 43.065 | 90.567 | -9.501 | -1135.576 | -1080.195 | 282.118 | |||||||
298.15 | 120.366 | 81.154 | 81.154 | 0. | -1134.701 | -1053.066 | 184.493 | |||||||
300 | 121.922 | 81.904 | 81.157 | 0.224 | -1134.645 | -1052.560 | 183.267 | |||||||
305.000 | 126.775 | 83.958 | 81.186 | 0.845 | Cp LAMBDA MAXIMUM | |||||||||
+ | ||||||||||||||
305.000 | 126.775 | 83.958 | 81.186 | 0.845 | TRANSITION | |||||||||
400 | 112.675 | 113.736 | 85.534 | 11.281 | -1133.129 | -1025.421 | 133.906 | |||||||
500 | 117.721 | 139.503 | 93.829 | 22.837 | -1131.353 | -998.699 | 104.333 | |||||||
600 | 120.549 | 161.232 | 103.300 | 34.759 | -1129.610 | -972.333 | 84.649 | |||||||
700 | 122.625 | 179.977 | 112.945 | 46.922 | -1127.958 | -946.252 | 70.610 | |||||||
800 | 124.290 | 196.463 | 122.375 | 59.270 | -1126.413 | -920.401 | 60.096 | |||||||
900 | 125.725 | 211.187 | 131.440 | 71.773 | -1125.007 | -894.736 | 51.929 | |||||||
1000 | 127.009 | 224.501 | 140.091 | 84.410 | -1123.795 | -869.217 | 45.403 | |||||||
1100 | 128.202 | 236.663 | 148.325 | 97.171 | -1122.829 | -843.808 | 40.069 | |||||||
1200 | 129.332 | 247.867 | 156.159 | 110.049 | -1122.137 | -818.475 | 35.627 | |||||||
1300 | 130.411 | 258.261 | 163.618 | 123.036 | -1121.754 | -793.188 | 31.871 | |||||||
1400 | 131.457 | 267.964 | 170.729 | 136.130 | -1121.703 | -767.918 | 28.651 | |||||||
1500 | 132.482 | 277.069 | 177.518 | 149.327 | -1121.999 | -742.639 | 25.861 | |||||||
1600 | 133.486 | 285.651 | 184.011 | 162.625 | -1122.654 | -717.329 | 23.418 | |||||||
1700 | 134.478 | 293.774 | 190.230 | 176.024 | -1123.676 | -691.967 | 21.262 | |||||||
1800 | 135.457 | 301.486 | 196.199 | 189.517 | -1125.077 | -666.534 | 19.342 | |||||||
1900 | 136.880 | 308.848 | 201.935 | 203.135 | -1126.833 | -641.013 | 17.623 | |||||||
2000 | 138.168 | 315.903 | 207.459 | 216.888 | -1128.937 | -615.391 | 16.072 | |||||||
2100 | 139.056 | 322.665 | 212.785 | 230.749 | -1131.423 | -589.654 | 14.667 | |||||||
2200 | 139.947 | 329.155 | 217.928 | 244.699 | -1172.985 | -562.478 | 13.355 | |||||||
2300 | 140.839 | 335.395 | 222.900 | 258.739 | -1172.557 | -534.738 | 12.144 | |||||||
2400 | 141.733 | 341.408 | 227.714 | 272.867 | -1172.074 | -507.017 | 11.035 | |||||||
2500 | 142.628 | 347.212 | 232.378 | 287.085 | -1171.534 | -479.318 | 10.015 | |||||||
2600 | 143.526 | 352.824 | 236.903 | 301.393 | -1170.937 | -451.640 | 9.074 | |||||||
2603.000 | 143.553 | 352.989 | 237.037 | 301.824 | CRYSTAL <--> LIQUID | |||||||||
2700 | 144.428 | 358.257 | 241.298 | 315.791 | 1170.281 423.987 8.203 | |||||||||
2800 | 145.333 | 363.526 | 245.570 | 330.279 | -1169.566 | -396.359 | 7.394 | |||||||
2900 | 146.242 | 368.642 | 249.726 | 344.857 | -1168.789 | -368.759 | 6.642 | |||||||
3000 | 147.155 | 373.615 | 253.773 | 359.527 | -1845.987 | -331.960 | 5.780 | |||||||
PREVIOUS: | CURRENT: December 1973 | |||||||||||||
Chromium Oxide (Cr2O3) | Cr2O3(cr) |
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