reaction mechanism — Introduction in chemical reactions (chemical reaction), the detailed processes by which chemical substances are transformed into other substances. The reactions themselves may involve the interactions of atoms (atom), molecules (molecule),… … Universalium
electrochemical reaction — ▪ chemistry Introduction any process either caused or accompanied by the passage of an electric current and involving in most cases the transfer of electrons between two substances one a solid and the other a liquid. Under ordinary… … Universalium
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
Proton transfer reaction - mass spectrometry — (PTR MS) is a very sensitive technique for online monitoring of volatile organic compounds (VOCs) in ambient air developed by scientists at the Institut für Ionenphysik at the Leopold Franzens University in Innsbruck, Austria [A. Hansel, A.… … Wikipedia
Erythrocyte sedimentation rate — Diagnostics A rack of ESR tubes. MeSH … Wikipedia
coal utilization — Introduction combustion of coal or its conversion into useful solid, gaseous, and liquid products. By far the most important use of coal is in combustion, mainly to provide heat to the boilers of electric power plants. Metallurgical coke… … Universalium
Collision theory — Reaction rate tends to increase with concentration phenomenon explained by collision theory Collision theory is a theory proposed by Max Trautz[1] and William Lewis in 1916 and 1918, that qualitatively explains how chemical reactions occur and… … Wikipedia
chemical kinetics — Introduction the branch of physical chemistry (chemistry) that is concerned with understanding the rates of chemical reactions (chemical reaction). It is to be contrasted with thermodynamics, which deals with the direction in which a… … Universalium
Marcus theory — is a theory originally developed by Rudolph A. Marcus, starting in 1956, to explain the rates of electron transfer reactions – the rate at which an electron can move or jump from one chemical species (called the electron donor) to another (called … Wikipedia
Haber process — The Haber process, also called the Haber–Bosch process, is the nitrogen fixation reaction of nitrogen and hydrogen, over an iron substrate, to produce ammonia. Enriching the Earth: Fritz Haber, Carl Bosch, and the Transformation of World Food… … Wikipedia