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An equilibrium in which processes occur continuously, with no net change. When two (or more) processes occur at the same rate so that no net change occurs.

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Hydrogenation

The reaction in which hydrogen adds across a double or triple bond.

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.

Chain Termination Step

The combination of two radicals, which removes the reactive species that propagate the change reaction.

Electrolyte

A substance whose aqueous solutions conduct electricity.

 

Valence Electrons

Outermost electrons of atoms, usually those involved in bonding.

Polar Bond

Covalent bond in which there is an unsymmetrical distribution of electron density.

Cyclotron

A device for accelerating charged particles along a spiral path.

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.

Basic Salt

A salt containing an ionizable OH group.

Heat of Condensation

The amount of heat that must be removed from one gram of a vapor at it's condensation point to condense the vapour with no change in temperature.