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Which of the following statements are true for the behavior of a catalyst? Select all tha
a.
b.
O c.
O d.
O f.
A catalyst changes the AG for a reaction.
A catalyst affects the free energy level of both reactants and product
A catalyst changes the activation energy of a reaction.
A catalyst is changed by a reaction.
A catalyst speeds a reaction up.
A catalyst slows a reaction down.

Sagot :

Ankitidn

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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