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chemical analysis

(Encyclopedia)chemical analysis, the study of the chemical composition and structure of substances. More broadly, it may be considered the corpus of all techniques whereby any exact chemical information is obtained...

chemical bond

(Encyclopedia)chemical bond, mechanism whereby atoms combine to form molecules. There is a chemical bond between two atoms or groups of atoms when the forces acting between them are strong enough to lead to the for...

chemical engineering

(Encyclopedia)chemical engineering: see engineering. ...

chemical industry

(Encyclopedia)chemical industry, the business of using chemical reactions to turn raw materials, such as coal, oil, and salt, into a variety of products. During the 19th and 20th cent. technological advances in the...

chemical kinetics

(Encyclopedia)chemical kinetics: see chemical reaction. ...

chemical warfare

(Encyclopedia)chemical warfare, employment in war of incendiaries, poison gases, and other chemical substances. Ancient armies attacking or defending fortified cities threw burning oil and fireballs. A primitive ty...

reaction, chemical

(Encyclopedia)reaction, chemical: see chemical reaction. ...

bond, chemical

(Encyclopedia)bond, chemical: see chemical bond. ...

van der Waals equation

(Encyclopedia)van der Waals equation: see gas laws. ...

La, chemical symbol

(Encyclopedia)La, symbol for the element lanthanum. ...