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At constant temperature the volume occupied by a definite mass of a gas is inversely proportional to the applied pressure.

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Homogeneous Equilibria

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

Atomic Mass Unit (amu)

One twelfth of a mass of an atom of the carbon-12 isotope, a unit used for stating atomic and formula weights, also called dalton.

Crystal Field Theory

Theory of bonding in transition metal complexes in which ligands and metal ions are treated as point charges, a purely ionic model, ligand point charges represent the crystal (electrical) field perturbing the metal?s d orbitals containing nonbonding electrons.

Fatty Acids

An aliphatic acid, many can obtained from animal fats.

Square Planar

A term used to describe molecules and polyatomic ions that have one atom in the center and four atoms at the corners of a square.

Compound

A substance of two or more elements in fixed proportions. Compounds can be decomposed into their constituent elements.

Clay

A class of silicate and aluminosilicate minerals with sheet-like structures that have enormous surface areas that can absorb large amounts of water.

Heavy Water

Water containing deuterium, a heavy isotope of hydrogen.

Acid Anhydride

Compound produced by dehydration of a carbonic acid. General formula is R--C--O--C--R. Chemical compound that reacts with water to form an acid and are usually oxides of nonmetallic elements.

Half-Cell

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