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A change in which a substance changes from one physical state to another but no substances with different composition are formed. Example Gas to Liquid - Solid.

 

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Haber Process

A process for the catalyzed industrial production of ammonia from N2 and H2 at high temperature and pressure.

Hydrocarbons

Compounds that contain only carbon and hydrogen.

Dumas Method

A method used to determine the molecular weights of volatile liquids.

xanthate

A salt or ester of xanthic acid. Many xanthates have a yellow color. Xanthates are used as flotation agents in mineral processing.

Saturated Solution

Solution in which no more solute will dissolve.

Dextrorotatory

Refers to an optically active substance that rotates the plane of plane polarized light clockwise, also called dextro.

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.

Amphiprotism

Ability of a substance to exhibit amphiprotism by accepting donated protons.

Water Equivalent

The amount of water that would absorb the same amount of heat as the calorimeter per degree temperature increase.

Square Planar Complex

Complex in which the metal is in the center of a square plane, with ligand donor atoms at each of the four corners.