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Mathematical method of treating particles on the basis of quantum theory, which assumes that energy (of small particles) is not infinitely divisible.

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xylidine

Any of six isomeric compounds that have the formula C8H11N, are derivatives of xylene, and resemble aniline: used in dye manufacture.

Distillate

The material in a distillation apparatus that is collected in the receiver.

 

Mass

A measure of the amount of matter in an object. Mass is usually measured in grams or kilograms.

Kinetic-molecular Theory

A theory, that attempts to explain macroscopic observations on gases in microscopic observations on gases in microscopic observations on gases in microscopic or molecular terms.

Flux

A substance added to react with the charge, or a product of its reduction, in metallurgy, usually added to lower a melting point.

Chemical Periodicity

The variations in properties of elements with their position in the periodic table.

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.

Effective Molality

The sum of the molalities of all solute particles in a solution.

Polarization

The buildup of a product of oxidation or a reduction of an electrode, preventing further reaction.

Dilution

Process of reducing the concentration of a solute in solution, usually simply by mixing with more solvent.