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) fH° fG° 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)

Download table in tab-delimited text format.