Sodium Sulfide (Na2S2) Na2S2(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              
100              
200              
250              
 
298.15 98.625 150.624 150.624 0. -397.062 -392.173 68.707
 
300 98.726 151.234 150.626 0.183 -397.067 -392.142 68.278
400 104.299 180.399 154.565 10.334 -407.354 -389.839 50.908
500 109.872 204.272 162.187 21.042 -410.704 -385.082 40.229
 
600 115.445 224.796 170.949 32.308 -412.640 -379.752 33.060
700 121.018 243.011 179.966 44.131 -413.415 -374.196 27.923
 
753.000 123.972 251.950 184.720 50.624 BETA <--> LIQUID
753.000 124.683 277.065 184.720 69.535 TRANSITION
 
800 124.683 284.614 190.370 75.395 -394.391 -369.773 24.144
900 124.683 299.299 201.673 87.864 -500.211 -364.559 21.158
1000 124.683 312.436 212.104 100.332 -497.229 -349.647 18.264
 
1100 124.683 324.320 221.774 112.800 -494.321 -335.030 15.909
1200 124.683 335.168 230.778 125.269 -685.047 -315.794 13.746
1300 124.683 345.148 239.197 137.737 -680.541 -285.206 11.460
1400 124.683 354.388 247.099 150.205 -676.066 -254.963 9.513
1500 124.683 362.991 254.542 162.674 -671.622 -225.040 7.837
 
PREVIOUS: CURRENT: December 1983
 
Sodium Sulfide (Na2S2) Na2S2(cr,l)

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