Answer:
A catalyst changes the activation energy of a reaction.
A catalyst speeds a reaction up.
What's a catalyst?
A catalyst is a chemical substance that takes part in a chemical reaction and speeds up the reaction while remaining unchanged in the product.
Points to be remembered about the catalyst:
- A catalyst doesn't changes the change in geebs free energy (∆G) for a reaction.
- A catalyst doesn't affects the free energy level of both reactants and product.
- A catalyst lowers the activation energy of a reaction.
- A catalyst remains unchanged by a reaction.
- A catalyst speeds a reaction up.
- Negative catalyst slows a reaction down.
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