Sodium Sulfide (Na2S)								Na2S1(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		82.801		96.232		96.232		0.		-366.100		-354.552		62.116
300		82.843		96.744		96.234		0.153		-366.093		-354.480		61.720
400		84.308		120.780		99.501		8.512		-373.575		-350.129		45.722
500		85.772		139.753		105.719		17.017		-375.200		-344.086		35.946
600		87.236		155.522		112.742		25.668		-376.166		-337.761		29.405
700		88.701		169.081		119.844		34.466		-376.619		-331.319		24.723
800		90.165		181.023		126.760		43.411		-376.704		-324.838		21.210
900		91.337		191.717		133.394		52.491		-429.655		-317.282		18.415
1000		92.843		201.418		139.718		61.700		-428.077		-304.880		15.925
1100		110.458		210.823		145.749		71.581		-425.884		-292.653		13.897
1200		159.494		222.269		151.627		84.771		-614.002		-275.864		12.008
1276.000		211.921		233.718		156.162		98.962		Cp LAMBDA MAXIMUM
1276.000		211.939		233.718		156.162		98.962		TRANSITION
1300		187.652		237.411		157.629		103.718		-601.115		-248.179		9.972
1400		137.152		249.134		163.773		119.505		-591.403		-221.426		8.262
1445.000		133.888		253.390		166.498		125.559		CRYSTAL <--> LIQUID
1445.000		92.048		266.710		166.498		144.805		TRANSITION
1500		92.048		270.148		170.236		149.868		-567.131		-195.945		6.823
1600		92.048		276.089		176.668		159.073		-564.031		-171.301		5.592
1700		92.048		281.669		182.682		168.278		-560.947		-146.849		4.512
1800		92.048		286.931		188.329		177.482		-557.877		-122.579		3.557
1900		92.048		291.907		193.651		186.687		-554.820		-98.480		2.707
2000		92.048		296.629		198.683		195.892		-551.777		-74.541		1.947
2100		92.048		301.120		203.455		205.097		-548.747		-50.753		1.262
2200		92.048		305.402		207.992		214.302		-545.729		-27.110		0.644
2300		92.048		309.494		212.317		223.506		-542.725		-3.604		0.082
2400		92.048		313.411		216.448		232.711		-539.735		19.772		-0.430
2500		92.048		317.169		220.402		241.916		-536.760		43.024		-0.899
2600		92.048		320.779		224.194		251.121		-533.800		66.157		-1.329
2700		92.048		324.253		227.836		260.326		-530.858		89.176		-1.725
2800		92.048		327.600		231.339		269.530		-527.934		112.087		-2.091
2900		92.048		330.830		234.715		278.735		-525.032		134.893		-2.430
3000		92.048		333.951		237.971		287.940		-522.153		157.600		-2.744
PREVIOUS:								CURRENT: March 1978
Sodium Sulfide (Na2S)								Na2S1(cr,l)

Download table in tab-delimited text format.