Chemistry A-Level
Enthalpy profile diagrams
What Enthalpy profile diagrams means in Chemistry A-Level, as defined for OCR.
Definition of Enthalpy profile diagrams
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Reference: OCR
These show the different route with lower activation energy, with reactants and products at the same enthalpy levels whether or not a catalyst is present.
Topics that use Enthalpy profile diagrams
- Reaction rates (OCR A-Level)
Related terms
- Activation energy
- Alternative reaction pathway
- Boltzmann distribution
- Catalysis and activation energy
- Catalyst examples
- Catalyst regenerated and not consumed
- Catalyst regenerated in the mechanism
- collision frequency
Using Enthalpy profile diagrams in the exam
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