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Learning objective

Explain how temperature affects rate using Maxwell-Boltzmann distributions.

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Topic

Kinetics

Subtopic

Factors affecting reaction rate

Aqa A Level ChemistryPhysical chemistry

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Quick explanation

Explain how temperature affects rate using Maxwell-Boltzmann distributions

  • This point belongs to Kinetics, especially Factors affecting reaction rate.
  • You need to be able to explain how temperature affects rate using Maxwell-Boltzmann distributions.
  • The key ideas to know are rate and temperature.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

ratetemperature

Why it matters

This objective helps connect Factors affecting reaction rate to exam-style questions, flashcards, and revision notes for Kinetics.

Quick student answer

Which of the following statements best describes the effect of increasing temperature on the rate of a chemical reaction, according to Maxwell-Boltzmann distributions?

Direct answer

B) The number of molecules with energy greater than the activation energy increases.

Key terms

  • Kinetic Energy: The energy that a body possesses due to its motion, which is directly related to temperature.
  • Collision Theory: A theory that states that for a reaction to occur, reactant particles must collide with sufficient energy and proper orientation.

Common trap

Confusing Activation Energy with Total Energy: Remember that activation energy is the energy needed to start a reaction, not the total energy of the reactants.

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