Year 13 chemistry
Every topic for the year is below, arranged by the term it is taught. Choose a term to show only that term: each topic has a lesson video, worked questions and practice at three levels.
Autumn term
- ChemistryRate equations and ordersOrders of reaction from concentration-time and rate-concentration graphs, rate equations and the rate constant, the Arrhenius equation, the rate-determining step and reaction mechanisms.100 questionsLesson video
- ChemistryEquilibrium constantsThe equilibrium constants Kc and Kp, calculating equilibrium amounts, and how temperature, concentration and pressure change the position of equilibrium and the value of the constant.100 questionsLesson video
- ChemistrypH, Ka and bufferspH of strong and weak acids and bases, Ka and pKa, Kw, buffer solutions and how they work, pH curves and indicators for titrations.100 questionsLesson video
- ChemistryLattice enthalpy and entropyBorn-Haber cycles and lattice enthalpy, enthalpy of solution and hydration, entropy change, free energy change and the feasibility of reactions.100 questionsLesson video