18.4 ΔG0rxn, ΔH0rxn, ΔS0rxn, and Formation Reactions
Course Menu
- 19.1 How to Assign Oxidation Numbers
- 19.2 How to Balance Oxidation Reduction Reactions
- 19.3 Galvanic Cells
- 19.4 How to Calculate Standard Cell Potential
- 19.5 How to Calculate Nonstandard Cell Potential [Nernst Equation]
- 19.6 Cell Potential, Delta G, and the Equilibrium Constant
- 19.7 Electrolytic Cells
- 19.8 Electrolysis Calculations

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Calculating ΔG0 and ΔH0 from Formation Reactions
ΔG0rxn = ΣnΔGf,products - ΣmΔGf,reactants
ΔH0rxn = ΣnΔHf,products - ΣmΔHf,reactants
Calculating ΔS0 from Absolute Entropies
ΔS0rxn = ΣnS0products - ΣmS0reactants