water dissociation

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• Water activity — or aw is a measurement of the energy status of the water in a system. It is defined as the vapor pressure of water above a sample divided by that of pure water at the same temperature; therefore, pure distilled water has a water activity of… …   Wikipedia

• Water splitting — is the general term for a chemical reaction in which water is converted into oxygen and hydrogen. Water splitting is actively researched because demand for cheap hydrogen is expected to rise with the new hydrogen economy. Various techniques for… …   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

• 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

• 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

• water — waterer, n. waterless, adj. waterlessly, adv. waterlessness, n. waterlike, adj. /waw teuhr, wot euhr/, n. 1. a transparent, odorless, tasteless liquid, a compound of hydrogen and oxygen, H2O, freezing at 32°F or 0°C and boiling at 212°F or 100°C …   Universalium

• Water dimer — The water dimer consists of two water molecules loosely bound by a hydrogen bond. It is the smallest water cluster. Because it is the simplest model system for studying hydrogen bonding in water, it has been the target of so many theoretical (and …   Wikipedia

• dissociation — /dɪsoʊsiˈeɪʃən/ (say disohsee ayshuhn) noun 1. the act of dissociating. 2. the state of being dissociated; disunion. 3. Physical Chemistry a. the reversible resolution or decomposition of a complex substance into simpler constituents, due to… …  

• dissociation —    A chemical process that causes a molecule to split into simpler groups of atoms, or ions. For example, the water molecule (H2O) breaks down spontaneously into H+ and OH– ions [6] …   Lexicon of Cave and Karst Terminology

• Purified water — Bottle for Distilled water in the Real Farmacia in Madrid Purified water is water from any source that is physically processed to remove impurities. Distilled water and deionized (DI) water have been the most common forms of purified water, but… …   Wikipedia

• Acid dissociation constant — Acetic acid, a weak acid, donates a proton (hydrogen ion, high …   Wikipedia