Results for “pH”
15 terms
Basic Buffer
A buffer made from a weak base and one of its salts, giving a pH above 7.
Acids, Bases & SaltsBasic Salt
A salt whose aqueous solution has a pH above 7, or one that retains a hydroxide group.
Thermochemistry & ThermodynamicsBond Dissociation Enthalpy
The enthalpy change when one mole of a specific bond is broken homolytically in the gas phase.
Acids, Bases & SaltsBuffer Capacity
The amount of strong acid or base a buffer can absorb before its pH changes appreciably.
Acids, Bases & SaltsBuffer Range
The span of pH values over which a buffer works effectively, conventionally one unit either side of its pKa.
Acids, Bases & SaltsBuffer Solution
A solution that resists changes in pH when small amounts of acid or base are added.
Acids, Bases & SaltsBasic Solution
A solution in which the hydroxide ion concentration exceeds the hydrogen ion concentration.
States of Matter & Gas LawsBoiling Point
The temperature at which the vapour pressure of a liquid equals the external pressure acting on it.
Solutions & Colligative PropertiesBoiling Point Elevation
The rise in a solvent's boiling point caused by the presence of a non-volatile solute.
Chemical Bonding & Molecular StructureBond Polarity
The degree of unequal electron sharing in a covalent bond, arising from an electronegativity difference between the bonded atoms.
Inorganic & Coordination ChemistryBidentate Ligand
A ligand that binds to the same metal centre through two donor atoms, forming a ring.
Chemical Kinetics & CatalysisBimolecular Reaction
An elementary step in which two species collide and react.
Biochemistry & Polymer ChemistryBiodegradable Polymer
A polymer that can be broken down into simple substances by the action of microorganisms.
Analytical Chemistry & SpectroscopyBlank
A sample containing everything except the analyte, measured to correct for background signal.
States of Matter & Gas LawsBody-Centred Cubic
A cubic arrangement with particles at the eight corners plus one at the centre of the cell.