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Compound in which an oxygen atom is bonded to two alkyl or two aryl groups, or one alkyl and one aryl group.

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xylic acid

Any of six colorless, crystalline, isomeric acids having the formula C9H10O2, derived from xylene.

Band Theory of Metals

Theory that accounts for the bonding and properties of metallic solids.

Linear Accelerator

A device used for accelerating charged particles along a straight line path.

Allotropic Modifications (Allotropes)

Different forms of the same element in the same physical state.

Fatty Acids

An aliphatic acid, many can obtained from animal fats.

Deuterium

An isotope of hydrogen whose atoms are twice as massive as ordinary hydrogen,deuterion atoms contain both a proton and a neutron in the nucleus.

Buret

A piece of volumetric glassware, usually graduated in 0.1-mL intervals, that is used to deliver solutions to be used in titrations in a quantitative (dropwise) manner.

Sublimation

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

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.

Dispersing Medium

The solvent-like phase in a colloid.