		J·K^-1 mol^-1						kJ·mol^-1
Sodium Sulfate (Na₂SO₄)								Na₂O₄S₁(l)

Enthalpy Reference Temperature = T_r = 298.15 K								Standard State Pressure = p° = 0.1 MPa
T/K		C_p^°		S^°		-[G^°-H^°(T_r)]/T		H-H^°(T_r)		_fH^°		_fG^°		log K_f
0
100
200

298.15		159.620		181.172		181.172		0.		-1356.385		-1247.832		218.615

300		159.724		182.160		181.175		0.295		-1356.345		-1247.159		217.150
400		164.758		228.794		187.500		16.518		-1361.905		-1210.568		158.084
500		170.017		266.128		199.611		33.258		-1361.412		-1172.792		122.521

600		175.331		297.589		213.385		50.522		-1360.085		-1135.179		98.826
700		181.042		325.038		227.415		68.337		-1358.031		-1097.848		81.922
800		187.276		349.614		241.179		86.748		-1355.323		-1060.856		69.267

800.000		187.276		349.614		241.179		86.748		GLASS <--> LIQUID
800.000		197.033		349.614		241.179		86.748		TRANSITION

900		197.033		372.822		254.542		106.451		-1404.461		-1023.207		59.385
1000		197.033		393.581		267.426		126.155		-1399.313		-981.123		51.249

1100		197.033		412.360		279.762		145.858		-1394.316		-939.547		44.615

1157.000		197.033		422.314		286.541		157.089		I <--> LIQUID

1200		197.033		429.504		291.537		165.561		1583.018 893.538 38.895
1300		197.033		445.275		302.764		185.265		-1576.541		-836.345		33.605
1400		197.033		459.877		313.471		204.968		-1570.140		-779.647		29.089
1500		197.033		473.471		323.690		224.671		-1563.809		-723.405		25.191

1600		197.033		486.187		333.453		244.374		-1557.546		-667.583		21.794
1700		197.033		498.132		342.792		264.078		-1551.347		-612.150		18.809
1800		197.033		509.394		351.738		283.781		-1545.210		-557.082		16.166
1900		197.033		520.047		360.319		303.484		-1539.134		-502.351		13.811
2000		197.033		530.154		368.560		323.188		-1533.117		-447.939		11.699

2100		197.033		539.767		376.486		342.891		-1527.159		-393.827		9.796
2200		197.033		548.933		384.118		362.594		-1521.259		-339.997		8.073
2300		197.033		557.692		391.475		382.298		-1515.418		-286.435		6.505
2400		197.033		566.077		398.577		402.001		-1509.635		-233.125		5.074
2500		197.033		574.120		405.439		421.704		-1503.912		-180.055		3.762

2600		197.033		581.848		412.076		441.407		-1498.246		-127.213		2.556
2700		197.033		589.284		418.503		461.111		-1492.640		-74.587		1.443
2800		197.033		596.450		424.731		480.814		-1487.093		-22.168		0.414
2900		197.033		603.364		430.772		500.517		-1481.607		30.053		-0.541
3000		197.033		610.044		436.637		520.221		-1476.185		82.087		-1.429

PREVIOUS: December 1966								CURRENT: June 1978

Sodium Sulfate (Na₂SO₄)								Na₂O₄S₁(l)

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