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At constant pressure the volume occupied by a definite mass of gas is directly proportional to its absolute temperature.

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Square Planar Complex

Complex in which the metal is in the center of a square plane, with ligand donor atoms at each of the four corners.

Element

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

Acid Anhydride

Compound produced by dehydration of a carbonic acid. General formula is R--C--O--C--R. Chemical compound that reacts with water to form an acid and are usually oxides of nonmetallic elements.

Semiconductor

A substance that does not conduct electricity at low temperatures but does so at higher temperatures.

Equivalence Point

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

K Capture

Absorption of a K shell (n=1) electron by a proton as it is converted to a neutron.

Distilland

The material in a distillation apparatus that is to be distilled.

End Point

The point at which an indicator changes colour and a titration is stopped.

All Chemicals - Chemical Glossary

The Chemical Glossary currently has 651 chemical entries. You may search the Chemical Glossary by entering the keyword in the search box or by browsing the entire chemical glossary by letter in alphabetical order.

Capillary Action

The drawing of a liquid up the inside of a small-bore tube when adhesive forces exceed cohesive forces, or the depression of the surface of the liquid when cohesive forces exceed the adhesive forces.