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Stereoisomers that differ only by being nonsuperimposable mirror images of each other, like right and left hands, also called enantiomers.

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Differential Thermometer

A thermometer used for accurate measurement of very small changes in temperature.

Distilland

The material in a distillation apparatus that is to be distilled.

Molecule

The smallest particle of an element or compound capable of a stable, independent existence.

Condensation

Liquefaction of vapor.

Aryl Group

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

Reactants

Substances consumed in a chemical reaction.

Ground State

The lowest energy state or most stable state of an atom, molecule or ion.

Solvolysis

The reaction of a substance with the solvent in which it is dissolved.

Nernst Equation

Corrects standard electrode potentials for nonstandard conditions.

Neutralization

The reaction of an acid with a base to form a salt and water. Usually, the reaction of hydrogen ions with hydrogen ions to form water molecules.