		J·K^-1 mol^-1						kJ·mol^-1
Sodium Sulfate (Na₂SO₄)								Na₂O₄S₁(cr,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		0.		0.		INFINITE		-23.217		-1376.361		-1376.361		INFINITE
100		66.542		43.120		247.007		-20.389		-1382.711		-1346.347		703.259
200		105.667		103.010		160.624		-11.523		-1386.221		-1308.422		341.725

298.15		128.143		149.595		149.595		0.		-1387.816		-1269.849		222.472

300		128.495		150.388		149.597		0.237		-1387.834		-1269.117		220.973
400		145.101		189.702		154.845		13.943		-1395.911		-1228.937		160.483

458.000		153.331		209.905		160.555		22.602		V <--> IV
458.000		153.331		210.462		160.555		22.857		TRANSITION

500		158.908		224.159		165.328		29.415		-1396.687		-1187.082		124.014


514.000		160.712		228.572		166.990		31.653		IV <--> I
514.000		170.732		249.793		166.990		42.560		TRANSITION

600		175.331		276.549		180.817		57.439		-1384.599		-1147.069		99.861
700		181.042		303.999		196.494		75.253		-1382.545		-1107.634		82.653
800		187.276		328.577		211.494		93.666		-1379.835		-1068.539		69.768
900		193.845		351.015		225.767		112.723		-1429.621		-1028.740		59.707
1000		200.309		371.773		239.342		132.431		-1424.467		-984.470		51.423

1100		206.731		391.166		252.272		152.784		-1418.821		-940.739		44.672

1157.000		210.367		401.702		259.376		164.671		I <--> LIQUID
1157.000		197.033		422.314		259.376		188.520		TRANSITION

1200		197.033		429.504		265.344		196.992		-1583.018		-893.538		38.895
1300		197.033		445.275		278.586		216.696		-1576.541		-836.345		33.605
1400		197.033		459.877		291.021		236.399		-1570.140		-779.647		29.089
1500		197.033		473.471		302.736		256.102		-1563.809		-723.405		25.191

1600		197.033		486.187		313.809		275.806		-1557.546		-667.583		21.794
1700		197.033		498.132		324.303		295.509		-1551.347		-612.150		18.809
1800		197.033		509.394		334.276		315.212		-1545.210		-557.081		16.166
1900		197.033		520.047		343.776		334.916		-1539.134		-502.351		13.811
2000		197.033		530.154		352.844		354.619		-1533.117		-447.939		11.699

2100		197.033		539.767		361.518		374.322		-1527.159		-393.827		9.796
2200		197.033		548.933		369.831		394.025		-1521.259		-339.997		8.073
2300		197.033		557.692		377.809		413.729		-1515.418		-286.435		6.505
2400		197.033		566.077		385.480		433.432		-1509.635		-233.125		5.074
2500		197.033		574.120		392.866		453.135		-1503.912		-180.055		3.762

2600		197.033		581.848		399.987		472.839		-1498.246		-127.213		2.556
2700		197.033		589.284		406.861		492.542		-1492.640		-74.587		1.443
2800		197.033		596.450		413.505		512.245		-1487.093		-22.168		0.414
2900		197.033		603.364		419.934		531.948		-1481.607		30.053		-0.541
3000		197.033		610.044		426.160		551.652		-1476.185		82.087		-1.429

PREVIOUS:								CURRENT: June 1978

Sodium Sulfate (Na₂SO₄)								Na₂O₄S₁(cr,l)

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