Lead Sulfide (PbS)								Pb1S1(g)
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		-9.430		133.656		133.656		INFINITE
100		29.787		216.077		281.169		-6.509		134.121		117.448		-61.349
200		33.139		237.771		254.569		-3.360		133.104		101.132		-26.413
250		34.305		245.299		251.986		-1.672		132.467		93.211		-19.475
298.15		35.085		251.412		251.412		0.		131.796		85.711		-15.016
300		35.110		251.629		251.413		0.065		131.769		85.425		-14.874
350		35.671		257.086		251.842		1.835		131.020		77.759		-11.605
400		36.073		261.877		252.803		3.629		128.008		70.292		-9.179
450		36.370		266.144		254.053		5.441		126.497		63.159		-7.331
500		36.596		269.988		255.457		7.265		124.902		56.210		-5.872
600		36.912		276.690		258.454		10.942		122.104		42.739		-3.721
700		37.121		282.397		261.477		14.644		114.638		30.517		-2.277
800		37.272		287.364		264.409		18.364		112.130		18.673		-1.219
900		37.386		291.761		267.208		22.097		56.621		8.216		-0.477
1000		37.477		295.705		269.864		25.841		55.553		2.895		-0.151
1100		37.554		299.280		272.378		29.592		54.509		-2.320		0.110
1200		37.620		302.551		274.758		33.351		53.487		-7.441		0.324
1300		37.679		305.564		277.014		37.116		52.479		-12.477		0.501
1400		37.734		308.359		279.154		40.887		51.469		-17.436		0.651
1500		37.785		310.964		281.189		44.663		50.447		-22.322		0.777
1600		37.836		313.404		283.127		48.444		49.407		-27.140		0.886
1700		37.889		315.699		284.976		52.230		48.345		-31.891		0.980
1800		37.945		317.867		286.744		56.022		47.259		-36.580		1.062
1900		38.008		319.920		288.436		59.819		46.147		-41.207		1.133
2000		38.081		321.871		290.060		63.624		45.010		-45.776		1.196
2100		38.166		323.731		291.619		67.436		-133.372		-43.171		1.074
2200		38.266		325.509		293.119		71.257		-134.166		-38.858		0.923
2300		38.386		327.213		294.565		75.090		-135.047		-34.506		0.784
2400		38.527		328.849		295.960		78.935		-136.013		-30.115		0.655
2500		38.693		330.425		297.307		82.796		-137.064		-25.681		0.537
2600		38.887		331.946		298.610		86.675		-138.195		-21.203		0.426
2700		39.112		333.418		299.872		90.574		-139.398		-16.681		0.323
2800		39.368		334.845		301.096		94.498		-140.669		-12.113		0.226
2900		39.659		336.232		302.284		98.449		-141.997		-7.499		0.135
3000		39.986		337.581		303.438		102.431		-143.375		-2.837		0.049
3100		40.349		338.898		304.560		106.447		-144.791		1.871		-0.032
3200		40.750		340.186		305.654		110.502		-146.235		6.625		-0.108
3300		41.189		341.446		306.719		114.599		-147.696		11.424		-0.181
3400		41.666		342.683		307.759		118.741		-149.164		16.268		-0.250
3500		42.179		343.898		308.774		122.933		-150.628		21.155		-0.316
3600		42.729		345.094		309.766		127.178		-152.077		26.083		-0.378
3700		43.314		346.272		310.737		131.480		-153.502		31.052		-0.438
3800		43.932		347.436		311.688		135.842		-154.892		36.059		-0.496
3900		44.581		348.585		312.619		140.268		-156.239		41.101		-0.550
4000		45.259		349.722		313.532		144.759		-157.536		46.178		-0.603
4100		45.964		350.848		314.429		149.320		-158.773		51.286		-0.653
4200		46.692		351.965		315.309		153.953		-159.946		56.424		-0.702
4300		47.440		353.072		316.175		158.659		-161.047		61.589		-0.748
4400		48.206		354.172		317.026		163.442		-162.072		66.778		-0.793
4500		48.985		355.264		317.863		168.301		-163.017		71.990		-0.836
4600		49.774		356.349		318.688		173.239		-163.877		77.222		-0.877
4700		50.570		357.428		319.501		178.256		-164.651		82.472		-0.917
4800		51.368		358.501		320.302		183.353		-165.337		87.738		-0.955
4900		52.166		359.568		321.093		188.530		-165.932		93.016		-0.992
5000		52.959		360.630		321.873		193.786		-166.437		98.306		-1.027
5100		53.745		361.687		322.643		199.121		-166.851		103.605		-1.061
5200		54.519		362.738		323.404		204.535		-167.175		108.912		-1.094
5300		55.279		363.784		324.156		210.025		-167.410		114.223		-1.126
5400		56.022		364.824		324.900		215.590		-167.559		119.539		-1.156
5500		56.744		365.858		325.635		221.228		-167.622		124.856		-1.186
5600		57.443		366.887		326.363		226.938		-167.603		130.174		-1.214
5700		58.117		367.910		327.082		232.716		-167.504		135.490		-1.242
5800		58.764		368.926		327.795		238.561		-167.329		140.805		-1.268
5900		59.382		369.936		328.501		244.468		-167.081		146.115		-1.294
6000		59.969		370.939		329.200		250.436		-166.764		151.421		-1.318
PREVIOUS: June 1973 (1 atm)								CURRENT: June 1973 (1 bar)
Lead Sulfide (PbS)								Pb1S1(g)

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