Lead Sulfide (PbS) Pb1S1(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 0. 0. INFINITE -11.511 -98.545 -98.545 INFINITE
100 39.748 41.296 133.734 -9.244 -98.734 -97.928 51.152
200 47.614 71.920 95.823 -4.781 -98.437 -97.239 25.396
 
298.15 49.438 91.343 91.343 0. -98.324 -96.685 16.939
 
300 49.455 91.649 91.344 0.091 -98.324 -96.675 16.833
400 50.459 106.008 93.295 5.085 -100.657 -96.024 12.539
500 51.463 117.375 97.013 10.181 -102.302 -94.688 9.892
 
600 52.384 126.839 101.217 15.373 -103.584 -93.039 8.100
700 53.346 134.988 105.473 20.661 -109.465 -90.400 6.746
800 54.308 142.176 109.620 26.045 -110.310 -87.616 5.721
900 55.271 148.627 113.602 31.523 -164.074 -83.658 4.855
1000 56.191 154.498 117.402 37.096 -163.312 -74.763 3.905
 
1100 57.153 159.900 121.023 42.764 -162.439 -65.949 3.132
1200 58.074 164.912 124.474 48.525 -161.459 -57.220 2.491
1300 59.036 169.599 127.767 54.382 -160.375 -48.577 1.952
 
1386.500 59.832 173.428 130.497 59.523 CRYSTAL <--> LIQUID
1386.500 66.944 187.007 130.497 78.351 TRANSITION
 
1400 66.944 187.656 131.045 79.255 -140.283 -40.204 1.500
1500 66.944 192.275 134.975 85.949 -138.386 -33.122 1.153
 
1600 66.944 196.595 138.693 92.644 -136.513 -26.165 0.854
1700 66.944 200.654 142.219 99.338 -134.667 -19.325 0.594
1800 66.944 204.480 145.573 106.033 -132.850 -12.593 0.365
1900 66.944 208.099 148.769 112.727 -131.065 -5.961 0.164
2000 66.944 211.533 151.823 119.421 -129.312 0.578 -0.015
 
PREVIOUS: CURRENT: June 1973
 
Lead Sulfide (PbS) Pb1S1(cr,l)

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