stoichiometry(redirected from Extent of reaction (chemistry))
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1. Calculation of the quantities of reactants and products in a chemical reaction.
2. The quantitative relationship between reactants and products in a chemical reaction.
stoi′chi·o·met′ric (-ə-mĕt′rĭk) adj.
(Chemistry) the branch of chemistry concerned with the proportions in which elements are combined in compounds and the quantitative relationships between reactants and products in chemical reactions
[C19: from Greek stoikheion element + -metry]
stoi•chi•om•e•try(ˌstɔɪ kiˈɒm ɪ tri)
1. the calculation of the quantities of chemical elements or compounds involved in chemical reactions.
2. the branch of chemistry dealing with relationships of combining elements, esp. quantitatively.
[1800–10; < Greek stoicheîo(n) element (derivative of stoîchos row, file; akin to stíchos stich) + -metry]
stoi′chi•o•met`ric (-əˈmɛ trɪk) adj.
The calculation of the proportions in which elements or compounds (molecules) react with each other.
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|Noun||1.||stoichiometry - (chemistry) the relation between the quantities of substances that take part in a reaction or form a compound (typically a ratio of whole integers)|
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
ratio - the relative magnitudes of two quantities (usually expressed as a quotient)