Electrochemistry Vocabulary Flashcards

Flashcards for key vocabulary terms related to electrochemistry.

Electrochemistry

The study of the relationship between electricity and chemical reactions.

Standard Hydrogen Electrode (SHE)

An electrode used as a reference for measuring the electrode potentials of other half-cells.

Electrode Potential (E°)

The measurement of the tendency of a chemical species to acquire electrons and thereby be reduced.

Voltmeter

An instrument used to measure electrical potential difference between two points.

Reducing Agent

A substance that donates electrons and reduces another substance.

Oxidizing Agent

A substance that accepts electrons and is reduced by another substance.

Salt Bridge

A component of electrochemical cells that allows the movement of ions while preventing the mixing of different solutions.

Half-Cell

A part of an electrochemical cell that contains a reversible electrode reaction.

Gibbs Free Energy

A thermodynamic quantity that measures the amount of usable energy in a system.

Nernst Equation

An equation used to calculate the cell potential under non-standard conditions.