Arrhenius' theory

Arrhenius' theory
the theory of electrolytic dissociation, proposed in 1887, which explained the properties of electrolytes based on the presence of free ions in solution and also defined acids and bases as compounds that dissociate to release hydrogen and hydroxide ions, respectively, in solution.

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  • Arrhenius theory — ▪ chemistry       theory, introduced in 1887 by the Swedish scientist Svante Arrhenius (Arrhenius, Svante August), that acids (acid) are substances that dissociate in water to yield electrically charged atoms or molecules, called ions (ion), one… …   Universalium

  • Arrhenius theory of dissociation — noun (chemistry) theory that describes aqueous solutions in terms of acids (which dissociate to give hydrogen ions) and bases (which dissociate to give hydroxyl ions); the product of an acid and a base is a salt and water • Syn: ↑theory of… …   Useful english dictionary

  • theory of dissociation — noun (chemistry) theory that describes aqueous solutions in terms of acids (which dissociate to give hydrogen ions) and bases (which dissociate to give hydroxyl ions); the product of an acid and a base is a salt and water • Syn: ↑theory of… …   Useful english dictionary

  • theory of electrolytic dissociation — noun (chemistry) theory that describes aqueous solutions in terms of acids (which dissociate to give hydrogen ions) and bases (which dissociate to give hydroxyl ions); the product of an acid and a base is a salt and water • Syn: ↑theory of… …   Useful english dictionary

  • Arrhenius — [ä rā′nē oos; ] E [ ə rā′nē əs] Svante August [svän′te ou′goost] 1859 1927; Swed. physical chemist: first to present the theory of ionization …   English World dictionary

  • Arrhenius equation — The Arrhenius equation is a simple, but remarkably accurate, formula for the temperature dependence of the rate constant, and therefore, rate of a chemical reaction. [http://www.iupac.org/goldbook/A00446.pdf Arrhenius equation] IUPAC Goldbook… …   Wikipedia

  • Arrhenius, Svante August — ▪ Swedish chemist Introduction born Feb. 19, 1859, Vik, Swed. died Oct. 2, 1927, Stockholm  Swedish physicist and physical chemist known for his theory of electrolytic dissociation and his model of the greenhouse effect. In 1903 he was awarded… …   Universalium

  • Arrhénius — Svante August Arrhenius Pour les articles homonymes, voir Arrhenius. Svante August Arrhenius Svante August Arrhe …   Wikipédia en Français

  • Arrhenius , Svante August — (1859–1927) Swedish physical chemist Arrhenius was born in Wijk, near Uppsala, Sweden. He originally went to Uppsala University to study chemistry, changing later to physics. Finding the standard mediocre, he transferred to Stockholm in 1881 to… …   Scientists

  • theory — A reasoned explanation of known facts or phenomena that serves as a basis of investigation by which to seek the truth. SEE ALSO: hypothesis, postulate. [G. theoria, a beholding, speculation, t., fr. theoros, a beholder] adsorption t. of narcosis… …   Medical dictionary

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