True or False: A catalyst is not consumed in the course of a reaction.

Catalysts are not “used up” in chemical reactions.Group of answer choicesTrueFalse

Adding a catalyst increases the reaction rate by...

increases the rate of a chemical reaction without being consumed or permanently altered in the process. Catalysts work by providing an alternative reaction pathway with a lower activation energy

What distinguishes a catalyst from other substances involved in a chemical reaction?Select one:a.A catalyst remains unchanged after the reaction.b.A catalyst is an intermediate in the reaction.c.A catalyst is produced during the reaction.d.A catalyst is consumed during the reaction.

Catalysts are _____________________________changed during chemical reactions.