Electrode Potentials — Definition, Formula, Properties & Uses | AllChemicals | AllChemicals

What is Electrode Potentials?

Electrode potential is the electromotive force of a galvanic cell built from a standard reference electrode (the standard hydrogen electrode) and another electrode to be characterized. It measures the tendency of a half-cell to be reduced or oxidized, expressed in volts. Standard electrode potentials are measured under standard conditions (1 M concentration, 25°C, 1 atm) and are used to predict the direction of redox reactions.

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Term Electrode Potentials

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What is Electrode Potentials?

Electrode potential is the electromotive force of a galvanic cell built from a standard reference electrode (the standard hydrogen electrode) and another electrode to be characterized. It measures the tendency of a half-cell to be reduced or oxidized, expressed in volts. Standard electrode potentials are measured under standard conditions (1 M concentration, 25°C, 1 atm) and are used to predict the direction of redox reactions.

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Effective Collisions Effective Collisions E ≥ Ea (activation energy required) Effective Molality m_eff = i × m (van't Hoff factor) Effective Nuclear Charge Z_eff = Z − σ (Slater's rules) Efflorescence Hydrated salt losing water in air: M·nH₂O(s) → M·(n-x)H₂O(s) + xH₂O(g) Einsteinium Es Electrical Conductivity κ = 1/ρ; Λm = κ/c Electrochemical Cell Galvanic cell: ΔG = −nFE_cell; Electrolytic cell: ΔG = +nFE_applied Electrochemical Series Arranged by E° (standard reduction potential); SHE: E° = 0.00 V Electrochemistry E° cell = E° cathode − E° anode | ΔG° = −nFE° Electrochemistry Electrode

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