		J·K^-1 mol^-1						kJ·mol^-1
Potassium Oxide (K₂O)								K₂O₁(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
100
200
250

298.15		83.680		94.140		94.140		0.		-363.171		-322.094		56.429

300		83.889		94.658		94.142		0.155		-363.153		-321.839		56.037
400		91.546		119.958		97.539		8.968		-366.782		-307.331		40.133
500		94.266		140.671		104.161		18.255		-365.240		-292.638		30.572

600		97.404		158.126		111.736		27.834		-363.320		-278.292		24.227
700		101.384		173.439		119.478		37.773		-361.000		-264.299		19.722
800		105.395		187.239		127.099		48.111		-358.283		-250.665		16.367
900		109.455		199.887		134.494		58.854		-355.209		-237.394		13.778
1000		113.512		211.629		141.627		70.002		-351.817		-224.482		11.726

1100		117.549		222.637		148.496		81.555		-506.056		-202.704		9.626
1200		121.592		233.038		155.112		93.512		-500.031		-175.390		7.635
1300		125.642		242.931		161.489		105.874		-493.618		-148.594		5.971
1400		129.699		252.390		167.647		118.641		-486.816		-122.306		4.563
1500		133.762		261.477		173.601		131.814		-479.623		-96.519		3.361

1600		137.833		270.240		179.369		145.394		-472.038		-71.223		2.325
1700		141.910		278.718		184.965		159.381		-464.062		-46.415		1.426
1800		145.993		286.945		190.403		173.776		-455.695		-22.087		0.641
1900		150.083		294.948		195.696		188.580		-446.939		1.766		-0.049
2000		154.180		302.751		200.854		203.793		-437.796		25.147		-0.657

PREVIOUS:								CURRENT: June 1963

Potassium Oxide (K₂O)								K₂O₁(cr)

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