- chemical species
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An ensemble of chemically identical molecular entities that can explore the same set of molecular energy levels on the time scale of the experiment.
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chemical species
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Chemical species — are atoms, molecules, molecular fragments, ions, etc., being subjected to a chemical process or to a measurement.[1] Generally, a chemical species can be defined as an ensemble of chemically identical molecular entities that can explore the same… … Wikipedia
chemical species — cheminis atmainis statusas T sritis chemija apibrėžtis Cheminio junginio, apibrėžto pagal cheminę sudėtį ir savybes, tipas. atitikmenys: angl. chemical species rus. химическая разновидность … Chemijos terminų aiškinamasis žodynas
Chemical thermodynamics — is the study of the interrelation of heat and work with chemical reactions or with physical changes of state within the confines of the laws of thermodynamics. Chemical thermodynamics involves not only laboratory measurements of various… … Wikipedia
Species (disambiguation) — Species is one of the basic units of biological classification.Species may also refer to:*Chemical species, a common name for atoms, molecules, molecular fragments, ions, etc. *Species problem, a mixture of difficult, related questions that often … Wikipedia
Chemical equilibrium — In a chemical reaction, chemical equilibrium is the state in which the concentrations of the reactants and products have not yet changed with time. It occurs only in reversible reactions, and not in irreversible reactions. Usually, this state… … Wikipedia
chemical reaction — Any chemical process in which substances are changed into different ones, with different properties, as distinct from changing position or form (phase). Chemical reactions involve the rupture or rearrangement of the bonds holding atoms together… … Universalium
Chemical bond — A chemical bond is an attraction between atoms that allows the formation of chemical substances that contain two or more atoms. The bond is caused by the electromagnetic force attraction between opposite charges, either between electrons and… … Wikipedia
Chemical state — Contents 1 Overview 2 Measurement and Interpretation 3 Significance 4 Closely related nomenclature … Wikipedia
Chemical transport model — A chemical transport model (CTM) is a type of computer numerical model which typically simulates atmospheric chemistry. Contents 1 Chemical transport models and general circulation models 2 Types of chemical transport models 2.1 Methodologies … Wikipedia
Chemical affinity — In chemical physics and physical chemistry, chemical affinity is the electronic property by which dissimilar chemical species are capable of forming chemical compounds.[1] Chemical affinity can also refer to the tendency of an atom or compound to … Wikipedia
