Chem Final

galvanic cell

a device that converts

the energy released in a spontaneous chemical reaction into electrical energy

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electrolytic cell

 

Device in which electrical energy is converted to chemical energy (opposite of galvanic)

Battery

 device consisting of one or more cells that can produce a direct current

by converting chemical energy to electrical energy

Half-reaction

 type of chemical equation

shows the

that shows the electrons either lost or gained.

oxidation half-reaction
shows the reactant that loses electrons
reduction half-reaction
shows reactant that gains electrons