OCR A Level Chemistry Module 5 (Correctly answered)

Half life correct answers The time taken for half of a reactant to be used up Exponential decay correct answers A constant half life with the concentration halving every half life Homogeneous equilibrium correct answers Contains equilibrium species that all have the same state or phase Heterogeneous equilibrium correct answers Contains equilibrium species that have different states of phases Buffer solution correct answers A system that minimises pH changes when small amounts of an acid or a base are added Lattice enthalpy correct answers A measure of the strength of ionic bonding in a giant ionic lattice Standard enthalpy change of a solution correct answers The enthalpy change that takes place when one mole of a solute dissolves in a solvent Standard entropy of a substance correct answers The entropy of one mole of a substance under standard conditions Feasibility correct answers Whether a reaction is able to happen and is energetically feasible Free energy change correct answers The overall change in energy during a chemical reaction Transition element correct answers D block elements that form at least one ion with a partially filled d orbital Heterogeneous catalysis correct answers The catalyst is in a different state to the reactants Homogeneous catalysis correct answers The catalyst is in the same state to the reactants Ligand correct answers A molecule or ion that donates a pair of electrons to a central metal ion to form a coordinate bond Coordinate bond correct answers Formed when one of the bonded atoms provides both of the electrons for the shared pair Monodenate ligand correct answers A ligand that is able to donate one pair of electrons to a central metal ion