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surface chemistry
(Encyclopedia)surface chemistry, study of chemical reactions in which the reactants are first adsorbed onto a surface medium (see adsorption) that then acts as a catalyst for the reaction; after the reaction the pr...radiation chemistry
(Encyclopedia)radiation chemistry: see radiochemistry. ...Molé, Louis Mathieu, Comte
(Encyclopedia)Molé, Louis Mathieu, Comte lwē mätyöˈ kôNt môlāˈ [key], 1781–1855, French politician. He was made a count and minister of justice by Emperor Napoleon I and later served in several cabinets ...earth, in chemistry
(Encyclopedia)earth, in chemistry, metallic oxide not readily reducible by chemical means, e.g., alkaline earths, rare earths, and alumina. The name is also applied to certain absorbent clays, e.g., fuller's earth,...dispersion, in chemistry
(Encyclopedia)dispersion, in chemistry, mixture in which fine particles of one substance are scattered throughout another substance. A dispersion is classed as a suspension, colloid, or solution. Generally, the par...ether, in chemistry
(Encyclopedia)CE5 Ethers ether, any of a number of organic compounds whose molecules contain two hydrocarbon groups joined by single bonds to an oxygen atom. The most common of these compounds is ethyl ether, C...emanation, in chemistry
(Encyclopedia)emanation: see radon.ion, in chemistry
(Encyclopedia)ion, atom or group of atoms having a net electric charge. Ionization has many applications. Vapor lamps and fluorescent lamps take advantage of the light given off when positive ions recombine with ...formula, in chemistry
(Encyclopedia)formula, in chemistry, an expression showing the chemical composition of a compound. Formulas of compounds are used in writing the equations (see chemical equations) that represent chemical reactions....ash, in chemistry
(Encyclopedia)ash, in chemistry, solid residue of combustion. The chemical composition of an ash depends on that of the substance burned. Wood ash contains metal carbonates (e.g., potassium carbonate) and oxides fo...Browse by Subject
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