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infoWhy this? Kinetics explains how concentration, pressure, temperature, and catalysts affect reaction rates through collisions and activation energy. It enables us to investigate and control reaction speed and recognise that an exothermic reaction is not necessarily a rapid one.

scheduleWhy now? Earlier work on amount of substance and energetics supports rate measurements and the interpretation of energy profiles. Understanding reaction rates then prepares us for dynamic equilibrium and, in Year 13, quantitative rate equations.