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Compartment in which the oxidation or reduction half-reaction occurs in a voltaic cell.

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Heat Capacity

The amount of heat required to raise the temperature of a body (of any mass) one degree Celsius.

Electron Configuration

Specific distribution of electrons in atomic orbitals of atoms or ions.

Secondary Voltaic Cells

Voltaic cells that can be recharged, original reactanats can be regenerated be reversing the direction of the current flow.

Boron Hydrides

Binary compounds of boron and hydrogen.

Condensation

Liquefaction of vapor.

Catalyst

A substance that speeds up a chemical reaction without being consumed itself in the reaction.
A substance that alters (usually increases) the rate at which a reaction occurs.

Hund's Rule

All orbitals of a given sublevel must be occupied by single electrons before pairing begins.

Polarization

The buildup of a product of oxidation or a reduction of an electrode, preventing further reaction.

Colligative Properties

Physical properties of solutions that depend upon the number but not the kind of solute particles present.

Law of Conservation of Matter and Energy

The total amount of matter and energy available in the universe is fixed.