Sodium Silicate (Na2Si2O5) | Na2O5Si2(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) | ![]() |
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log Kf | |||||||
0 | ||||||||||||||
100 | ||||||||||||||
200 | ||||||||||||||
298.15 | 156.984 | 188.705 | 188.705 | 0. | -2438.485 | -2299.931 | 402.938 | |||||||
300 | 157.494 | 189.678 | 188.708 | 0.291 | -2438.508 | -2299.071 | 400.304 | |||||||
400 | 183.401 | 238.657 | 195.210 | 17.379 | -2444.334 | -2252.060 | 294.089 | |||||||
500 | 203.246 | 281.828 | 208.304 | 36.762 | -2443.356 | -2204.069 | 230.258 | |||||||
600 | 217.576 | 320.191 | 223.817 | 57.825 | -2440.978 | -2156.416 | 187.733 | |||||||
700 | 245.810 | 355.525 | 240.121 | 80.783 | -2436.956 | -2109.271 | 157.396 | |||||||
800 | 272.169 | 390.353 | 256.734 | 106.895 | -2430.022 | -2062.904 | 134.694 | |||||||
900 | 276.228 | 422.809 | 273.415 | 134.455 | -2421.874 | -2017.501 | 117.093 | |||||||
1000 | 267.776 | 451.569 | 289.825 | 161.744 | -2414.237 | -1972.990 | 103.058 | |||||||
1100 | 261.207 | 476.706 | 305.694 | 188.113 | -2407.769 | -1929.186 | 91.609 | |||||||
1147.000 | 261.207 | 487.635 | 312.927 | 200.390 | III <--> LIQUID | |||||||||
1200 | 261.207 | 499.434 | 320.906 | 214.234 | 2595.338 1881.064 81.881 | |||||||||
1300 | 261.207 | 520.342 | 335.454 | 240.355 | -2587.813 | -1821.847 | 73.203 | |||||||
1400 | 261.207 | 539.700 | 349.360 | 266.475 | -2580.448 | -1763.204 | 65.786 | |||||||
1500 | 261.207 | 557.721 | 362.657 | 292.596 | -2573.236 | -1705.082 | 59.376 | |||||||
1600 | 261.207 | 574.579 | 375.381 | 318.717 | -2566.173 | -1647.437 | 53.783 | |||||||
1700 | 261.207 | 590.415 | 387.569 | 344.838 | -2659.609 | -1589.334 | 48.834 | |||||||
1800 | 261.207 | 605.345 | 399.257 | 370.958 | -2652.376 | -1526.587 | 44.300 | |||||||
1900 | 261.207 | 619.468 | 410.479 | 397.079 | -2645.202 | -1464.239 | 40.255 | |||||||
2000 | 261.207 | 632.866 | 421.266 | 423.200 | -2638.086 | -1402.267 | 36.623 | |||||||
2100 | 261.207 | 645.610 | 431.648 | 449.320 | -2631.031 | -1340.650 | 33.347 | |||||||
2200 | 261.207 | 657.761 | 441.652 | 475.441 | -2624.034 | -1279.366 | 30.376 | |||||||
2300 | 261.207 | 669.373 | 451.302 | 501.562 | -2617.098 | -1218.401 | 27.671 | |||||||
2400 | 261.207 | 680.489 | 460.622 | 527.683 | -2610.223 | -1157.736 | 25.197 | |||||||
2500 | 261.207 | 691.152 | 469.631 | 553.803 | -2603.410 | -1097.356 | 22.928 | |||||||
PREVIOUS: June 1965 | CURRENT: September 1967 | |||||||||||||
Sodium Silicate (Na2Si2O5) | Na2O5Si2(l) |
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