fH°fG°| Sodium Oxide (Na2O) | Na2O1(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 | -12.399 | -413.146 | -413.146 | INFINITE | |||||||
| 100 | 32.752 | 16.649 | 128.981 | -11.233 | -416.111 | -404.348 | 211.210 | |||||||
| 200 | 59.551 | 49.209 | 81.114 | -6.381 | -417.626 | -391.841 | 102.338 | |||||||
| 298.15 | 69.103 | 75.042 | 75.042 | 0. | -417.982 | -379.090 | 66.415 | |||||||
| 300 | 69.245 | 75.470 | 75.043 | 0.128 | -417.985 | -378.849 | 65.964 | |||||||
| 400 | 75.776 | 96.304 | 77.840 | 7.386 | -423.456 | -365.363 | 47.712 | |||||||
| 500 | 81.496 | 113.855 | 83.332 | 15.262 | -423.312 | -350.842 | 36.652 | |||||||
| 600 | 85.709 | 129.103 | 89.717 | 23.631 | -422.555 | -336.410 | 29.287 | |||||||
| 700 | 88.851 | 142.560 | 96.324 | 32.365 | -421.353 | -322.142 | 24.039 | |||||||
| 800 | 91.291 | 154.589 | 102.869 | 41.376 | -419.828 | -308.070 | 20.115 | |||||||
| 900 | 93.266 | 165.458 | 109.229 | 50.607 | -418.075 | -294.204 | 17.075 | |||||||
| 1000 | 94.918 | 175.373 | 115.355 | 60.018 | -416.169 | -280.541 | 14.654 | |||||||
| 1023.150 | 95.264 | 177.549 | 116.737 | 62.219 | GAMMA <--> BETA | |||||||||
| 1023.150 | 95.265 | 179.266 | 116.737 | 63.977 | TRANSITION | |||||||||
| 1100 | 96.353 | 186.205 | 121.351 | 71.340 | -412.418 | -267.206 | 12.689 | |||||||
| 1200 | 97.629 | 194.645 | 127.111 | 81.040 | -603.913 | -249.215 | 10.848 | |||||||
| 1243.150 | 98.140 | 198.103 | 129.516 | 85.264 | BETA <--> ALPHA | |||||||||
| 1243.150 | 98.142 | 207.695 | 129.516 | 97.188 | TRANSITION | |||||||||
| 1300 | 98.788 | 212.098 | 133.031 | 102.786 | -588.116 | -220.358 | 8.854 | |||||||
| 1400 | 99.860 | 219.459 | 138.945 | 112.719 | -584.147 | -192.218 | 7.172 | |||||||
| 1405.200 | 99.913 | 219.829 | 139.243 | 113.239 | ALPHA <--> LIQUID | |||||||||
| 1500 | 100.868 | 226.383 | 144.545 | 122.756 | 580.088 164.364 5.724 | |||||||||
| 1600 | 101.822 | 232.923 | 149.866 | 132.891 | -575.944 | -136.784 | 4.466 | |||||||
| 1700 | 102.734 | 239.124 | 154.936 | 143.119 | -571.720 | -109.465 | 3.363 | |||||||
| 1800 | 103.617 | 245.021 | 159.778 | 153.437 | -567.418 | -82.398 | 2.391 | |||||||
| 1900 | 104.470 | 250.646 | 164.414 | 163.841 | -563.042 | -55.571 | 1.528 | |||||||
| 2000 | 105.307 | 256.026 | 168.861 | 174.330 | -558.594 | -28.977 | 0.757 | |||||||
| PREVIOUS: June 1962 | CURRENT: June 1968 | |||||||||||||
| Sodium Oxide (Na2O) | Na2O1(cr) | |||||||||||||
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