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Edexcel IGCSE Chemistry · Spec 3.15-3.16

Investigating Rates of Reaction

Required practical: investigating how conditions affect the rate of a reaction.

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Investigating Rates of Reaction

Spec 3.15-3.16

What you need to know

  • Describe ways to measure the rate of a reaction
  • Describe a rate experiment
  • Interpret rate graphs

Active recall

Quick check

Answer each question before opening the answer.

Give two ways of measuring the rate of a reaction.

Measure the volume of gas produced over time, or time how long a cross/precipitate takes to become obscured.

On a rate graph, what does a steeper line show?

A faster rate of reaction.

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