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A substance added to react with the charge, or a product of its reduction, in metallurgy, usually added to lower a melting point.

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Titration

A Procedure in which one solution is added to another solution until the chemical reaction between the two solutes is complete, the concentration of one solution is known and that of the other is unknown.

 

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.

Crystal Lattice

A pattern of arrangement of particles in a crystal.

Ionic Geometry

The arrangement of atoms (not lone pairs of electrons) about the central atom of a polyatomic ion.

Dissociation Constant

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

Surface Tension

It is the force in dynes acting along the surface of the liquid 1cm in length and perpendicular to it.

Autoionization

An ionization reaction between identical molecules.

Endothermicity

The absorption of heat by a system as the process occurs.

Compound

A substance of two or more elements in fixed proportions. Compounds can be decomposed into their constituent elements.

Law of Conservation of Matter

There is no detectable change in the quantity of matter during an ordinary chemical reaction.