entropy of activation

entropy of activation
ентропія активації

English-Ukrainian analytical chemistry dictionary. 2013.

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  • activation energy — Minimum amount of energy (heat, electromagnetic radiation, or electrical energy) required to activate atoms or molecules to a condition in which it is equally likely that they will undergo chemical reaction or transport as it is that they will… …   Universalium

  • Metal ions in aqueous solution — A metal ion in aqueous solution is a cation, dissolved in water, of chemical formula [M(H2O)n]z+. The solvation number, n, determined by a variety of experimental methods is 4 for Li+ and Be2+ and 6 for elements in rows 3 and 4 of the periodic… …   Wikipedia

  • Eyring equation — The Eyring equation also known as Eyring–Polanyi equation in chemical kinetics relates the reaction rate to temperature. It was developed almost simultaneously in 1935 by Henry Eyring, M.G. Evans and Michael Polanyi. This equation follows from… …   Wikipedia

  • Kinetic isotope effect — The kinetic isotope effect (KIE) is the ratio of reaction rates of two different isotopically labeled molecules in a chemical reaction. It is also called isotope fractionation, although this term is somewhat broader in meaning. A KIE involving… …   Wikipedia

  • Cheletropic reaction — Pericyclic Reactions Cheletropic reactions are a type of pericyclic reaction. A pericyclic reaction is one that involves a transition state with a cyclic array of atoms and an associated cyclic array of interacting orbitals. A reorganization of σ …   Wikipedia

  • Киселев, Владимир Дмитриевич — В Википедии есть статьи о других людях с такой фамилией, см. Киселёв. Владимир Кисилёв Дата рождения: 23 ноября 1942(1942 11 23) (70 лет) Место рождения: Кубань Страна …   Википедия

  • Brook rearrangement — The Brook rearrangement in organic chemistry is a rearrangement reaction in which a organosilyl group switches position with a hydroxyl proton over a carbon to oxygen covalent bond under the influence of a base [cite journal | author = A. G.… …   Wikipedia

  • isoentropic — adjective Describing a series of reactions in which each step has the same entropy of activation …   Wiktionary

  • Dissociative substitution — Dissociative reaction redirects here. For the disorder formerly known as dissociative reaction, see dissociative identity disorder. Dissociative substitution describes a pathway by which compounds interchange ligands. The term is typically… …   Wikipedia

  • Associative substitution — describes a pathway by which compounds interchange ligands. The terminology is typically applied to coordination and organometallic complexes, but resembles the Sn2 mechanism in organic chemistry. The opposite pathway is dissociative substitution …   Wikipedia

  • chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… …   Universalium


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