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

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Critical Point

The combination of critical temperature and critical pressure of a substance.

Ideal Solution

A solution that obeys Raoult's Law exactly.

Ionization

In aqueous solution, the process in which a molecular compound reacts with water and forms ions.

Distillation

The separation of a liquid mixture into its components on the basis of differences in boiling points. The process in which components of a mixture are separated by boiling away the more volitile liquid.

Calorimeter

A device used to measure the heat transfer between system and surroundings.

xenon

A heavy, colorless, chemically inactive, monatomic gaseous element used for filling radio, television, and luminescent tubes. Symbol: Xe, at. wt.: 131.30, at. no.: 54.

Amine

Derivatives of ammonia in which one or more hydrogen atoms have been replaced by organic groups.

Inhibitory Catalyst

An inhibitor, a catalyst that decreases the rate of reaction.

Polymorphous

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

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.