Collision theory & rates of reaction

Although students know the factors that affect the rate of a chemical reaction, it is very noticeable when marking the answers to Paper 2 questions that when they are asked to define the term rate of reaction many of the answers show a woeful ignorance. The whole of Topic 6 depends upon understanding exactly what is meant by the term and how it can be applied and measured. The basic definition is that the rate of a chemical...

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