		J·K^-1 mol^-1						kJ·mol^-1
Sodium Tungsten Oxide (Na₂WO₄)								Na₂O₄W₁(cr)

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		-25.286		-1534.786		-1534.786		INFINITE
100		69.860		43.482		267.673		-22.419		-1541.060		-1505.022		786.143
200		117.244		108.962		172.462		-12.700		-1544.082		-1467.547		383.284

298.15		139.775		160.331		160.331		0.		-1544.733		-1429.786		250.493

300		140.122		161.197		160.334		0.259		-1544.732		-1429.073		248.824
400		155.335		203.750		166.032		15.087		-1549.553		-1390.158		181.536
500		167.360		239.748		177.264		31.242		-1548.233		-1350.438		141.079

600		178.238		271.237		190.355		48.529		-1545.854		-1311.086		114.140
700		188.698		299.500		203.961		66.877		-1542.521		-1272.209		94.933
800		198.740		325.351		217.541		86.248		-1538.287		-1233.871		80.564

860.800		205.101		340.137		225.682		98.524		I <--> II
860.800		205.099		375.975		225.682		129.372		TRANSITION


862.000		205.226		376.260		225.891		129.618		II <--> III
862.000		205.224		381.032		225.891		133.731		TRANSITION

900		209.200		389.971		232.631		141.606		-1498.203		-1197.704		69.513
1000		219.242		412.530		249.504		163.026		-1492.216		-1164.628		60.834

1100		229.492		433.907		265.304		185.463		-1485.393		-1132.192		53.763
1200		239.743		454.314		280.211		208.923		-1671.275		-1095.535		47.687
1300		250.120		473.913		294.362		233.417		-1660.975		-1047.968		42.108
1400		260.454		492.828		307.866		258.946		-1649.746		-1001.228		37.356
1500		270.705		511.147		320.811		285.505		-1637.590		-955.325		33.267

PREVIOUS:								CURRENT: June 1967

Sodium Tungsten Oxide (Na₂WO₄)								Na₂O₄W₁(cr)

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