Sodium Sulfide (Na2S2) Na2S2(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 98.625 172.365 172.365 0. -380.114 -381.707 66.873
 
300 98.726 172.975 172.367 0.183 -380.119 -381.717 66.463
400 104.299 202.140 176.305 10.334 -390.405 -381.587 49.830
500 109.872 226.012 183.928 21.042 -393.756 -379.005 39.594
 
 
500.000 109.872 226.012 183.928 21.042 GLASS <--> LIQUID
500.000 124.683 226.012 183.928 21.042 TRANSITION
 
600 124.683 248.745 192.894 33.511 -394.489 -375.971 32.731
700 124.683 267.965 202.280 45.979 -394.619 -372.868 27.824
 
753.000 124.683 277.065 207.228 52.587 BETA <--> LIQUID
 
800 124.683 284.614 211.555 58.447 394.391 369.773 24.144
900 124.683 299.299 220.504 70.916 -500.211 -364.559 21.158
1000 124.683 312.436 229.052 83.384 -497.229 -349.647 18.264
 
1100 124.683 324.320 237.181 95.852 -494.321 -335.030 15.909
1200 124.683 335.168 244.901 108.321 -685.047 -315.794 13.746
1300 124.683 345.148 252.234 120.789 -680.541 -285.206 11.460
1400 124.683 354.388 259.205 133.257 -676.066 -254.963 9.513
1500 124.683 362.991 265.840 145.726 -671.622 -225.040 7.837
 
PREVIOUS: CURRENT: December 1983
 
Sodium Sulfide (Na2S2) Na2S2(l)

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