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Equilibrium constant that applies to the dissociation of a comples ion into a simple ion and coordinating species (ligands).

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Concentration

Amount of solute per unit volume or mass of solvent or of solution.

Biodegradability

The ability of a substance to be broken down into simpler substances by bacteria.

 

Homogeneous Mixture

A mixture which has uniform composition and properties throughout.

Critical Pressure

The pressure required to liquefy a gas (vapor) at its critical temperature.

Electrolyte

A substance whose aqueous solutions conduct electricity.

 

Mole Fraction

The number of moles of a component of a mixture divided by the total number of moles in the mixture.

 

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.

Nickel-cadmium cell (Nicad battery)

A dry cell in which the anode is Cd, the cathode is NiO2, and the electrolyte is basic.

Mass

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

S Orbital

A spherically symmetrical atomic orbital, one per energy level.