Results for “pH”
30 terms · page 1 of 2
Chromatography
A family of separation techniques that partition components between a stationary and a mobile phase.
Analytical Chemistry & SpectroscopyChromophore
The part of a molecule responsible for absorbing light at a particular wavelength.
Analytical Chemistry & SpectroscopyColumn Chromatography
A preparative technique in which a mixture is separated by passing it down a vertical column packed with stationary phase.
Inorganic & Coordination ChemistryCoordination Sphere
The central metal together with the ligands directly attached to it, written inside square brackets.
Thermochemistry & ThermodynamicsCalorimetry
The experimental measurement of heat exchanged during a physical or chemical change.
Organic ChemistryCannizzaro Reaction
The disproportionation of an aldehyde with no alpha hydrogen under concentrated alkali into an alcohol and a carboxylate.
Electrochemistry & RedoxCell Notation
A shorthand convention for representing an electrochemical cell using vertical lines for phase boundaries.
Inorganic & Coordination ChemistryCounter Ion
An ion outside the coordination sphere that balances the charge of the complex ion.
States of Matter & Gas LawsCritical Point
The unique combination of temperature and pressure at which the liquid and gas phases of a substance become indistinguishable.
Organic ChemistryCarbanion
An organic ion in which a carbon atom bears a negative charge and a lone pair.
Chemical Kinetics & CatalysisCatalysis
The process by which a reaction rate is increased through the action of a catalyst.
Biochemistry & Polymer ChemistryCellular Respiration
The oxidation of nutrients within cells to release energy as ATP.
Chemical Kinetics & CatalysisChain Reaction
A self-sustaining reaction sequence in which a reactive intermediate regenerates itself at each cycle.
Stoichiometry & Chemical ReactionsChemical Equation
A symbolic representation of a chemical reaction showing reactants on the left and products on the right.
Foundations of ChemistryChemical Property
A characteristic that describes how a substance transforms into a different substance, observable only during a chemical reaction.
Chemical Kinetics & CatalysisChemisorption
Strong adsorption in which actual chemical bonds form between the adsorbate and the surface.
Analytical Chemistry & SpectroscopyComplexometric Titration
A titration based on the formation of a stable complex between the analyte metal ion and a chelating titrant.
Foundations of ChemistryCompound
A pure substance formed when two or more different elements combine chemically in a fixed, whole-number mass ratio.
Inorganic & Coordination ChemistryCoordination Isomerism
Isomerism in compounds containing both a complex cation and a complex anion, where ligands are distributed differently between them.
Nuclear & RadiochemistryCritical Mass
The minimum mass of fissile material needed to sustain a nuclear chain reaction.
Solutions & Colligative PropertiesCryoscopic Constant
The freezing point depression produced by a one-molal solution of a non-electrolyte in a given solvent.
Chemical Bonding & Molecular StructureCrystal Lattice
The regular, repeating three-dimensional arrangement of particles in a crystalline solid.
States of Matter & Gas LawsCrystalline Solid
A solid in which the constituent particles are arranged in a regular, repeating three-dimensional pattern extending over long distances.
Electrochemistry & RedoxCalomel Electrode
A reference electrode based on the equilibrium between mercury, mercury(I) chloride and chloride ions.