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Standard Electrodes

Half-cells in which the oxidized and reduced forms of a species are present at unit activity, 1.0M solutions of dissolved ions, 1.0atm partial pressure of gases, and pure solids and liquids.

xanthate

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

Fat

Solid triester of glycerol and (mostly) saturated fatty acids.

Cis-

The prefix used to indicate that groups are located on the same side of a bon about which rotation is restricted.

Common Ion Effect

Suppression of ionization of a weak electrolyte by the presence in the same solution of a strong electrolyte containing one of the same ions as the weak electrolyte.

Flotation

Method by which hydrophobic (water-repelling) particles of an ore are separated from hydrophilic (water-attracting) particles of a metallurgical pretreatment process.

Nonelectrolyte

A substance whose aqueous solutions do not conduct electricity.

Native State

Refers to the occurrence of an element in an uncombined or free state in nature.

 

Domain

A cluster of atoms in a ferromagnetic substance, all of which align in the same direction in the presence of an external magnetic field.

Oxidation-reduction Reactions

Reactions in which oxidation and reduction occur, also called redox reactions.