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Equilibria involving species in more than one phase.

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Unsaturated Hydrocarbons

Hydrocarbons that contain double or triple carbon-carbon bonds.

Joule

A unit of energy in the SI system. One joule is 1 kg. m2/s2 which is also 0.2390 calorie.

Radioactive Tracer

A small amount of radioisotope replacing a nonradioactive isotope of the element in a compound whose path (for example, in the body) or whose decomposition products are to be monitored by detection of radioctivity, also called a radioactive label.

Precipitate

An insoluble solid formed by mixing in solution the constituent ions of a slightly soluble solution.

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

Linkage Isomers

Isomers in which a particular ligand bonds to a metal ion through different donor atoms.

 

Coulometry

The quantitative application of Faraday's Law to the analysis of materials. The current and time are the usual variables measured.

Law of Conservation of Matter

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

Dumas Method

A method used to determine the molecular weights of volatile liquids.

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.