chemical dissociation

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• Chemical stability — when used in the technical sense in chemistry, means thermodynamic stability of a chemical system.[1] Thermodynamic stability occurs when a system is in its lowest energy state, or chemical equilibrium with its environment. This may be a dynamic… …   Wikipedia

• dissociation constant — n a constant that depends upon the equilibrium between the dissociated and undissociated forms of a chemical combination esp IONIZATION CONSTANT symbol K * * * an equilibrium constant, expressed in concentrations, describing the dissociation of a …   Medical dictionary

• 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

• Dissociation constant — Kd redirects here. For other uses, see KD (disambiguation). In chemistry, biochemistry, and pharmacology, a dissociation constant is a specific type of equilibrium constant that measures the propensity of a larger object to separate (dissociate)… …   Wikipedia

• Chemical reaction — Chemical reactions redirects here. For the 2007 television episode, see Chemical Reactions (Men in Trees). A thermite reaction using iron(III) oxide. The sparks …   Wikipedia

• chemical science — noun the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions • Syn: ↑chemistry • Derivationally related forms: ↑chemic (for: ↑chemistry), ↑chemist (for: ↑ …   Useful english dictionary

• Dissociation (chemistry) — For other uses, see dissociation (psychology) and dissociation (neuropsychology). Dissociation in chemistry and biochemistry is a general process in which ionic compounds (complexes, or salts) separate or split into smaller particles, ions, or… …   Wikipedia

• chemical bonding — ▪ chemistry Introduction       any of the interactions that account for the association of atoms into molecules, ions, crystals, and other stable species that make up the familiar substances of the everyday world. When atoms approach one another …   Universalium

• dissociation — /di soh see ay sheuhn, shee ay /, n. 1. an act or instance of dissociating. 2. the state of being dissociated; disjunction; separation: the dissociation of church and state. 3. Physical Chem. a. the reversible resolution or decomposition of a… …   Universalium

• chemical element — Introduction also called  element,         any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed.       This article considers the… …   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