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An equilibrium in which processes occur continuously, with no net change. When two (or more) processes occur at the same rate so that no net change occurs.

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Nucleons

Particles comprising the nucleus, protons and neutrons.

Ferromagnetism

The ability of a substance to become permanently magnetized by exposure to an external magnetic field.

Molality

Concentration expressed as number of moles of solute per kilogram of solvent.

Levorotatory

Refers to an optically active substance that rotates the plane of plane polarized light counterclockwise, also called levo.

Deposition

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

Coordination Isomers

Isomers involving exchanges of ligands between complex cation and complex anion of the same compound.

Ostwald Process

A process for the industrial production of nitrogen oxide and nitric acid from ammonia and oxygen.

Periodic Law

The properties of the elements are periodic functions of their atomic numbers.

Law of Conservation of Matter and Energy

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

Sublimation

The direct vaporization of a sold by heating without passing through the liquid state.