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Electrochemical Engineering by John N. Harb, Thomas F. Fuller

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Appendix C: Thermodynamic Data

Table C.1 Standard Enthalpy and Gibbs Energy of Formation from the Elements at 25 °C (298.15 K).

Chemical species Formula State ΔG [kJ·mol−1] ΔH [kJ·mol−1]
Acetic acid CH3COOH Liquid −389.9 −484.3
Acetic acid CH3COOH Aqueous −396.5 −486.1
Aluminum oxide Al2O3 Solid, α −1582.3 −1675.7
Ammonia NH3 Aqueous −26.6 −80.3
Ammonia NH3 Gas −16.4 −45.9
Bromine Br2 Gas 3.1 30.9
Carbon dioxide CO2 Gas −394.359 −393.509
Carbon monoxide CO Gas −137.2 −110.5
Cobalt(II) oxide CoO Solid −214.2 −237.9
Formaldehyde CH2O Gas −102.5 −108.6
Formic acid CH2O2 Liquid −361.4 −425.0
Hydrogen bromide HBr Gas −53.4 −36.3
Hydrogen chloride HCl Gas −95.3 −92.3
Hydrogen peroxide H2O2 Liquid −120.4 −187.8
Hydrogen peroxide H2O2 Gas −105.6 −136.3
Lead(II) oxide PbO Solid −187.9 −217.3
Lead(IV) oxide PbO2 Solid −217.3 −277.4
Lead(II, IV) oxide Pb3O4 Solid −601.7 −718.8
Lead sulfate PbSO4 Solid −813.302 −919.936
Lithia Li2O Solid −561.2 −597.9
Lithium hydroxide LiOH Aqueous −451.1 −506.9
Lithium iodide LiI Solid −270.3 −270.4
Lithium peroxide Li2O2 Solid −571.1 −632.6
Mercury(II) chloride HgCl2 Solid −178.6 −224.3
Mercury(I) chloride Hg2Cl2 Solid −210.8 −265.2
Methanol CH3OH Liquid −166.6 −239.2
Methane CH4 Gas −50.5 −74.6
Propane C3H8 Gas −24.3 −104.7
Silver oxide Ag2O Solid −11.21 −31.1
Silver sulfate Ag2SO4 Solid −618.4 −715.9
Sodium chloride NaCl Solid −384.1 −411.2
Sodium chloride NaCl Aqueous −393.1 −407.3
Sodium hydroxide NaOH Aqueous ...

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