Silicon Oxide, Cristobalite, Low (SiO2) | O2Si1(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) | ![]() |
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log Kf | |||||||
0 | 0.000 | 0.000 | INFINITE | -7.037 | -903.482 | -903.482 | INFINITE | |||||||
100 | 16.000 | 11.247 | 74.760 | -6.351 | -905.967 | -889.378 | 464.563 | |||||||
200 | 32.995 | 27.878 | 47.145 | -3.853 | -907.559 | -872.105 | 227.770 | |||||||
298.15 | 44.953 | 43.396 | 43.396 | 0.000 | -908.346 | -854.509 | 149.706 | |||||||
300 | 45.145 | 43.675 | 43.397 | 0.083 | -908.355 | -854.175 | 148.725 | |||||||
400 | 53.145 | 57.848 | 45.275 | 5.029 | -908.501 | -836.079 | 109.181 | |||||||
500 | 58.672 | 70.326 | 49.064 | 10.631 | -908.236 | -817.997 | 85.456 | |||||||
600 | 62.969 | 81.426 | 53.549 | 16.726 | -907.677 | -799.998 | 69.646 | |||||||
700 | 65.689 | 91.348 | 58.254 | 23.166 | -906.940 | -782.108 | 58.362 | |||||||
800 | 67.572 | 100.247 | 62.956 | 29.832 | -906.119 | -764.330 | 49.906 | |||||||
900 | 69.036 | 108.292 | 67.554 | 36.664 | -905.254 | -746.658 | 43.335 | |||||||
1000 | 70.291 | 115.633 | 72.000 | 43.632 | -904.359 | -729.084 | 38.083 | |||||||
PREVIOUS: | CURRENT: June 1967 | |||||||||||||
Silicon Oxide, Cristobalite, Low (SiO2) | O2Si1(cr) |
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