Rates of reaction and energy changes

Part ofCombined Science

  • Rates of reaction and energy changes

    • Rates of reaction - Edexcel

      The greater the frequency of successful collisions between reactant particles, the greater the reaction rate. Temperature, concentration, pressure and the use of catalysts affect reaction rate.

    • Quiz: Rates of reaction

      This interactive quiz is suitable for GCSE combined science students studying surface area, temperature, and catalysts on the rate of reaction.

    • Heat energy changes in chemical reactions - Edexcel

      Exothermic reactions in solution give out energy and the temperature increases, while endothermic reactions take in energy and the temperature decreases. Bonds are broken and made in reactions.

    • Sample exam questions - rates of reaction and energy changes - Edexcel

      Understanding how to approach exam questions helps to boost exam performance. Question types will include multiple choice, structured, mathematical and practical questions.

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