# Arrhenius equation

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## Ar·rhe·ni·us e·qua·tion

(ă-rē'nē-ŭs),an equation relating chemical reaction rate (

*k*) to the absolute temperature (*T*) by the equation: d(ln*k*)/d*T*) = Δ*E*_{a}/*RT*^{2}where*E*_{a}is the activation energy and*R*is the universal gas constant. [Svante

*Arrhenius*]## Arrhenius equation

(ă-rā′nē-us) [Svante Arrhenius, Swedish chemist and Nobel laureate, 1859–1927]

A mathematical formula that specifies the influence of temperature on the rate of a chemical reaction. In general, a higher temperature produces a faster reaction. The equation is used in industry and pharmacy to predict shelf life of reagents and pharmaceuticals.

## Arrhenius,

Svante, Swedish chemist and Nobel laureate, 1859-1927.**Arrhenius doctrine**- the theory of electrolytic dissociation that became the basis of modern understanding of electrolytes. Synonym(s): Arrhenius law

**Arrhenius equation**- an equation relating chemical reaction rate to the absolute temperature.

**Arrhenius law**- Synonym(s): Arrhenius doctrine

**Arrhenius-Madsen theory**- that the reaction of an antigen with its antibody is a reversible reaction.

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