fH°fG°| Sulfuric Acid (O2S(OH)2) | H2O4S1(cr,l) | |||||||||||||
| 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 | -28.226 | -811.969 | -811.969 | INFINITE | |||||||
| 100 | 45.142 | 42.586 | 300.474 | -25.789 | -819.030 | -777.302 | 406.021 | |||||||
| 200 | 73.587 | 82.684 | 181.887 | -19.841 | -823.240 | -733.773 | 191.642 | |||||||
| 283.456 | 96.902 | 112.175 | 157.073 | -12.727 | CRYSTAL <--> LIQUID | |||||||||
| 283.456 | 135.770 | 149.962 | 157.073 | -2.016 | TRANSITION | |||||||||
| 298.15 | 138.584 | 156.895 | 156.895 | 0. | -813.989 | -689.918 | 120.871 | |||||||
| 300 | 138.940 | 157.753 | 156.897 | 0.257 | -813.936 | -689.149 | 119.991 | |||||||
| 400 | 158.205 | 200.356 | 162.576 | 15.112 | -812.526 | -647.968 | 84.616 | |||||||
| 500 | 177.619 | 237.744 | 173.938 | 31.903 | -808.704 | -607.248 | 63.439 | |||||||
| 600 | 197.033 | 271.844 | 187.451 | 50.636 | -802.804 | -567.476 | 49.403 | |||||||
| 700 | 216.447 | 303.674 | 201.804 | 71.310 | -794.924 | -528.851 | 39.463 | |||||||
| 800 | 235.860 | 333.844 | 216.438 | 93.925 | -785.146 | -491.486 | 32.091 | |||||||
| 900 | 255.274 | 362.745 | 231.099 | 118.482 | -826.632 | -454.377 | 26.371 | |||||||
| 1000 | 274.688 | 390.646 | 245.666 | 144.980 | -811.918 | -413.788 | 21.614 | |||||||
| PREVIOUS: December 1966 | CURRENT: September 1977 | |||||||||||||
| Sulfuric Acid (O2S(OH)2) | H2O4S1(cr,l) | |||||||||||||
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