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Hydrocarbon derivative containing an [OH] group bound to an aromatic raing.

 

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Physical Change

A change in which a substance changes from one physical state to another but no substances with different composition are formed. Example Gas to Liquid - Solid.

 

Organic Chemistry

The chemistry of substances that contain carbon-hydrogen bonds.

Hard Water

Water containing Fe3+, Ca2+, and Mg2+ ions, which forms precipates with soap.

Rate of Reaction

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

Cathode

Electrode at which reduction occurs in a cathode ray tube, the negative electrode.

Standard Electrode Potential

By convention, potential, Eo, of a half-reaction as a reduction relative to the standard hydrogen electrode when all species are present at unit activity.

 

Electrolytic Conduction

Conduction of electrical current by ions through a solution or pure liquid.

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.

Artificial Transmutation

An artificially induced nuclear reaction caused by the bombardment of a nucleus with subatomic particiles or small nucei.

Sigma Orbital

Molecular orbital resulting from head-on overlap of two atomic orbitals.