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TASChemistryQuick questions
Unit 3: Equilibrium, Acids and Redox
Quick questions on Catalysts and reaction rate - TCE Chemistry (Tasmania)
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is the lower activation energy pathway?Show answer
The key idea is that a catalyst lowers the activation energy. On an energy profile diagram, the catalysed pathway shows a lower peak (energy barrier) than the uncatalysed pathway, while the energy of the reactants and products stays the same. Because the barrier is lower, a greater proportion of colliding particles have enough energy to react.
What is types of catalyst?Show answer
Homogeneous catalysts are in the same physical state as the reactants, typically all in solution. They usually work by forming an intermediate species.
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