1. It shows the relationship between standard free energy change and equilibrium constant. 2. Since the Gibbs free energy change is negative, aluminium can reduce chromium oxide. 3. This gives a favourable enthalpy contribution to the Gibbs free energy change for the reaction 4. The free energy change ( ?G ) for this reaction is 102 kilocalories per mole. 5. The relationship between free energy change of a system and its interfacial area is expressed in the equation: 6. The determinant of the degree to which a reaction will proceed to completion is the free energy change . 7. The acid dissociation constant for an acid is a direct consequence of the underlying Gibbs free energy change for the reaction. 8. The Gibbs free energy change here is expressed frequently also as electrochemical ion gradient & Delta; & mu; m+ 9. In practice, the efficiency is given by electrical work achieved divided by the Gibbs free energy change of the reaction. 10. The Ellingham diagram plots the Gibbs free energy change ( ?G ) for each oxidation reaction as a function of temperature.
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