A-Level CAIE Chemistry AS 5.1.3—Terms Question Bank

• Define/use:: (a) standard conditions (this syllabus assumes that these are 298 K and 101 kPa) shown by ⦵; (b) enthalpy change with particular reference to: reaction, ΔHr , formation, ΔHf , combustion, ΔHc , neutralisation, ΔHneut