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Hydrocarbons that contain only single bonds. They are also called alkanes or paraffin hydrocarbons.

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Greenhouse Effect

Trapping of heat at the surface of the earth by carbon dioxide and water vapour in the atmosphere.

Fossil Fuels

Substances consisting largely of hydrocarbons, derived from decay of organic materials under geological conditions of high pressure and temperature (metamorphism) include coal, petroleum, natural gas, peat and oil shale.  For further information see Fuel Chemistry

Nernst Equation

Corrects standard electrode potentials for nonstandard conditions.

Conformations

Structures of a compound that differ by the extent of rotation about a single bond.

Enzyme

A protein that acts as a catalyst in biological systems.

Rate-law Expression

Equation relating the rate of a reaction to the concentrations of the reactants and the specific rate of the constant.

Molality

Concentration expressed as number of moles of solute per kilogram of solvent.

Safranine

Also called "phenosafranine". A purplish-red, water-soluble dye, C18H14N4, used for textiles and as a stain in microscopy.

Voltaic Cells

Electrochemical cells in which spontaneous chemical reactions produce electricity, also called galvanic cells.

 

xylidine

Any of six isomeric compounds that have the formula C8H11N, are derivatives of xylene, and resemble aniline: used in dye manufacture.