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

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Alums

Hydrated sulfates of the general formula M+M3+(SO4)2.12H2).

Nitrogenases

A class of enzymes found in bacteria within root nodules in some plants, which catalyze reactions by which N2 molecules from the air are converted to ammonia.

 

Coulomb

Unit of electrical charge.

Homogeneous Catalyst

A catalyst that exists in the same phase (solid, liquid or gas) as the reactants. The process is called Homogeneous Catalysis.

Radiation

High energy particles or rays emitted during the nuclear decay processes.

Fractional Precipitation

Removal of some ions from solution by precipitation while leaving other ions with similar properties in solution.

Total Ionic Equation

Equation for a chemical reaction written to show the predominant form of all species in aqueous solution or in contact with water.

Electron

A subatomic particle having a mass of 0.00054858 amu and a charge of 1-.

Chemical Kinetics

The study of rates and mechanisms of chemical reactions and of the factors on which they depend.

Free Radical

A highly reactive chemical species carrying no charge and having a single unpaired electron in an orbital.