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Number of moles of solute per litre of solution.

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Pairing

A favourable interaction of two electrons with opposite m , values in the same orbital.

Precipitate

An insoluble solid formed by mixing in solution the constituent ions of a slightly soluble solution.

Phase Diagram

Diagram that shows equilibrium temperature-pressure relationships for different phases of a substance.

Rate of Reaction

Change in the concentration of a reactant or product per unit time.

Carcinogen

A substance capable of causing or producing cancer in mammals.

 

Eutrophication

The undesirable overgrowth of vegetation caused by high concentrates of plant nutrients in bodies of water.

Amine Complexes

Complex species that contain ammonia molecules bonded to metal ions.

Rate-determining Step

The slowest step in a mechanism, the step that determines the overall rate of reaction.

Ioniztion

The breaking up of a compound into separate ions.

Frasch Process

Method by which elemental sulfur is mined or extracted. Sulfur is melted with superheated water (at 170°C under high pressure) and forced to the surface of the earth as a slurry.