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Activation Energy and Energy Profiles
Chemistry · Year 11 · Rates of Chemical Reactions · 3o Periodo

Activation Energy and Energy Profiles

Analyse energy profile diagrams to identify activation energy, the transition state, and the overall enthalpy change of a reaction.

ACARA Content DescriptionsACARA Australian Curriculum v9 Senior Secondary Chemistry: Unit 2 Molecular interactions and reactions;Rates of chemical reactions;Represent the energy changes in a chemical reaction using energy profile diagrams, including activation energy and enthalpy change.

About This Topic

Analyse energy profile diagrams to identify activation energy, the transition state, and the overall enthalpy change of a reaction.

Key Questions

  1. How does activation energy act as a barrier to chemical reactions?
  2. Compare the energy profile diagrams of exothermic and endothermic reactions.
  3. What happens to the bonds of reactants at the transition state?

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