CH-335
Energy profile diagrams
Chemistry · Secondary 3 · Medium · Energy profile diagrams
An uncatalysed reaction has reactants at 140 kJ and a peak at 200 kJ on its energy profile diagram. With a catalyst, the peak is lowered to 170 kJ while the reactants stay at 140 kJ. What is the activation energy of the catalysed reaction?
- 30 kJ
- 60 kJ
- 200 kJ
- −30 kJ
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