Potassium Sulfide (K2S)								K2S1(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		74.684		115.060		115.060		0.		-376.560		-362.745		63.551
300		74.726		115.522		115.061		0.138		-376.573		-362.659		63.145
400		77.320		137.375		118.023		7.741		-384.524		-356.897		46.606
500		79.914		154.907		123.702		15.602		-386.806		-349.730		36.536
600		82.508		169.706		130.167		23.723		-388.349		-342.158		29.787
700		85.144		182.621		136.757		32.105		-389.306		-334.377		24.952
800		87.738		194.161		143.224		40.749		-389.826		-326.490		21.318
900		103.554		205.100		149.486		50.053		-442.745		-317.488		18.427
1000		156.063		218.274		155.672		62.602		-438.078		-303.773		15.867
1050.000		194.982		226.816		158.850		71.364		Cp HUMP MAXIMUM
1050.000		194.985		226.816		158.850		71.364		TRANSITION
1100		142.340		234.558		162.127		79.675		-586.914		-281.577		13.371
1200		142.340		246.943		168.686		93.908		-578.724		-254.180		11.064
1221.000		142.340		249.413		170.053		96.898		CRYSTAL <--> LIQUID
1221.000		100.960		262.640		170.053		113.048		TRANSITION
1300		100.960		268.969		175.874		121.024		-557.669		-228.408		9.178
1400		100.960		276.451		182.794		131.120		-553.649		-203.231		7.583
1500		100.960		283.417		189.273		141.216		-549.646		-178.341		6.210
1600		100.960		289.932		195.363		151.312		-545.660		-153.717		5.018
1700		100.960		296.053		201.107		161.408		-541.691		-129.343		3.974
1800		100.960		301.824		206.544		171.504		-537.742		-105.201		3.053
1900		100.960		307.282		211.704		181.600		-533.813		-81.278		2.234
2000		100.960		312.461		216.613		191.696		-529.907		-57.562		1.503
2100		100.960		317.387		221.296		201.792		-526.026		-34.040		0.847
2200		100.960		322.084		225.771		211.888		-522.174		-10.702		0.254
2300		100.960		326.571		230.057		221.984		-518.353		12.461		-0.283
2400		100.960		330.868		234.168		232.080		-514.569		35.458		-0.772
2500		100.960		334.990		238.119		242.176		-510.825		58.299		-1.218
2600		100.960		338.949		241.922		252.272		-507.125		80.991		-1.627
2700		100.960		342.760		245.586		262.368		-503.476		103.541		-2.003
2800		100.960		346.431		249.123		272.464		-499.882		125.957		-2.350
2900		100.960		349.974		252.540		282.560		-496.350		148.246		-2.670
3000		100.960		353.397		255.845		292.656		-492.887		170.414		-2.967
PREVIOUS:								CURRENT: March 1978
Potassium Sulfide (K2S)								K2S1(cr,l)

Download table in tab-delimited text format.