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The point at which chemically equivalent amounts of reactants have reacted.

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Percentage Ionization

The percentage of the weak electrolyte that ionizes in a solution of given concentration.

Amino Acid

Compound containing both an amino and a carboxylic acid group.The --NH2 group.

Alcohol

Hydrocarbon derivative containing an --OH group attached to a carbon atom not in an aromatic ring. Alcohols are a class of organic compounds containing the hydroxyl group, OH, attached to a carbon atom.

Dubnium

Discovered : at both Berkeley, California, USA, and Dubna, near Moscow, Russia in 1970. Description:A highly radioactive metal which does not occur naturally, and of which only a few atoms have ever been made. It is of research interest only. Origin:The element is named after the Russian town of Dubna.

Equation of State

An equation that describes the behavior of matter in a given state, the van der Waals equation describes the behavior of the gaseous state.

Element

A substance that cannot be decomposed into simpler substances by chemical means.

Acid

A substance that produces H+(aq) ions in aqueous solution. Strong acids ionize completely or almost completely in dilute aqueous solution. Weak acids ionize only slightly. Chemicals or substances having the property of an acid are said to be acidic.

Osmosis

The process by which solvent molecules pass through a semipermable membrane from a dilute solution into a more concentrated solution.

 

Carbanion

An organic ion carrying a negative charge on a carbon atom.

Reversible Reaction

Reactions that do not go to completion and occur in both the forward and reverse direction.