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infoWhy this? Electrode potentials allow us to compare redox systems, predict reaction feasibility under defined conditions, and calculate cell voltages. Electrochemical cells connect electron transfer with useful electrical energy, including its supply through batteries and fuel cells.

scheduleWhy now? Redox provides the half-equations and electron-transfer reasoning, while thermodynamics establishes the meaning and limitations of feasibility predictions. Transition metal chemistry supplies further examples of redox couples to which these ideas can be applied.