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Chemical bond formed by the sharing of one or more electron pairs between two atoms.

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Base

A substance that produces OH (aq) ions in aqueous solution. Strong soluable bases are soluble in water and are completely dissociated. Weak bases ionize only slightly.

Condensed States

The solid and liquid states.

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.

Polymorphous

Refers to substances that crystallize in more than one crystalline arrangement.

Phenol

Hydrocarbon derivative containing an [OH] group bound to an aromatic raing.

 

Contact Process

Industrial process by which sulfur trioxide and sulfuric acid are produced from sulfur dioxide.

Coordination Compound or Complex

A compound containing coordinate covalent bonds.

Entropy

A thermodynamic state or property that measures the degree of disorder or randomness of a system.

yttria

Y2O3: A white, water-insoluble powder, Y2O3, used chiefly in incandescent gas and acetylene mantles.

Acetic Acid

CA3COOH, clear, colorless liquid, pungent odor. Boiling point 140C, flash point 54C (closed cup), autoignition temperature 38OC.