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Study of chemical changes produced by electrical current and the production of electricity by chemical reactions.

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Homogeneous Equilibria

Equilibria involving only one species in a single phase. For example, all gases, all liquids or all solids.

Condensed States

The solid and liquid states.

Excited State

Any state other than the ground state of an atom or molecule.

Hydrocarbons

Compounds that contain only carbon and hydrogen.

Heterogeneous Equilibria

Equilibria involving species in more than one phase.

Deposition

The direct solidification of a vapor by cooling, the reverse of sublimation.

Debye

The unit used to express dipole moments.

Coordination Sphere

The metal ion and its coordinating ligands but not any uncoordinated counter-ions.

Electrodes

Surfaces upon which oxidation and reduction half-reactions, occur in electrochemical cells.

Formal Charge

A method of counting electrons in a covalently bonded molecule or ion, counts bonding electrons as though they were equally shared between the two atoms.