Lead Sulfide (PbS) Pb1S1(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 49.438 100.795 100.795 0. -84.064 -85.242 14.934
 
300 49.455 101.101 100.796 0.091 -84.064 -85.250 14.843
400 50.459 115.459 102.746 5.085 -86.396 -85.544 11.171
500 51.463 126.827 106.464 10.181 -88.042 -85.153 8.896
 
600 52.384 136.291 110.668 15.373 -89.323 -84.449 7.352
700 53.346 144.440 114.924 20.661 -95.205 -82.755 6.175
800 54.308 151.627 119.071 26.045 -96.049 -80.916 5.283
900 55.271 158.078 123.053 31.522 -149.814 -77.904 4.521
 
900.000 55.271 158.078 123.053 31.522 GLASS <--> LIQUID
900.000 66.944 158.078 123.053 31.522 TRANSITION
 
1000 66.944 165.131 126.914 38.217 -147.930 -70.014 3.657
 
1100 66.944 171.512 130.683 44.911 -146.032 -62.315 2.959
1200 66.944 177.336 134.332 51.606 -144.118 -54.788 2.385
1300 66.944 182.695 137.849 58.300 -142.197 -47.422 1.905
 
1386.500 66.944 187.007 140.782 64.091 CRYSTAL <--> LIQUID
 
1400 66.944 187.656 141.231 64.994 140.283 40.204 1.500
1500 66.944 192.275 144.482 71.689 -138.386 -33.122 1.153
 
1600 66.944 196.595 147.606 78.383 -136.513 -26.165 0.854
1700 66.944 200.654 150.608 85.078 -134.667 -19.325 0.594
1800 66.944 204.480 153.495 91.772 -132.850 -12.593 0.365
1900 66.944 208.099 156.275 98.466 -131.065 -5.961 0.164
2000 66.944 211.533 158.953 105.161 -129.312 0.578 -0.015
 
PREVIOUS: CURRENT: June 1973
 
Lead Sulfide (PbS) Pb1S1(l)

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