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A substance whose aqueous solutions do not conduct electricity.

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Lewis Base

Any species that can make available a share in an electron pair.

Adsorption

Adhesion of a species onto the surfaces of particles.

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Phase Diagram

Diagram that shows equilibrium temperature-pressure relationships for different phases of a substance.

Standard Reaction

A reaction in which the numbers of moles of reactants shown in the balanced equation, all in their standard states, are completely converted to the numbers of moles of products shown in the balanced equation, also sall at their standard state.

Pauli Exclusion Principle

No two electrons in the same atom may have identical sets of four quantum numbers.

xylose

A colorless, crystalline pentose sugar, C5H10O5, derived from xylan, straw, corncobs, etc., by treating with heated dilute sulfuric acid, and dehydrating to furfural if stronger acid is used.

Aryl Group

Group of atoms remaining after a hydrogen atom is removed from the aromatic system.

Aromatic Hydrocarbons

Benzene and its derivatives.

Electron Configuration

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