Nernst equation
In electrochemistry, the Nernst equation gives the electrode potential (E), relative to the standard electrode potential, (E0), of the electrode couple or, equivalently, of the half cells of a battery
- R is the universal gas constant, equal to 8.314570 J K-1 mol-1
- T the temperature in kelvin
- z the charge number or valence of the electrode reaction
- a the chemical activities on the reduced and oxidized side, respectively
- F is the Faraday constant, equal to 96,485 C mol-1
- n is the number of electrons transferred in the half-reaction.
- [red] is the concentration of oxidizing agent (the reduced species).
- [ox] is the concentration of reducing agent (the oxidized species).