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A catalyst speeds up a reaction rate because it lowers the activation energy.

The activation energy is the amount of energy required to start a reaction. If less energy is needed, then the same amount of energy can react more times.

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15y ago

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What effect does catalyst on a reaction?

A catalyst speeds up the rate of a reaction.


What effect does a catalyst having a reaction?

A catalyst speeds up the rate of a reaction.


What is a catalyst and why is it important in certain reactions?

a catalyst speeds up the rate of reaction


What is a substance that speeds up a reaction?

A catalyst is a substance that speeds up the rate of a chemical reaction.


Name for any substance that speeds up the rate of chemical reaction?

A substance that speeds up a chemical reaction is known as a CATALYST.


What is a substance that speeds up the rate ofchemical reaction?

a catalyst


How do catalyst and inhibtors affect reaction rate?

A catalyst speeds up the reaction and lowers the amount of heat needed.


A substance that speeds up rate of a chemical reaction?

A substance that speeds up the rate of a chemical reaction without being consumed in the process is called a catalyst. Catalysts provide an alternative pathway with lower activation energy for the reaction to occur, increasing the reaction rate without being altered themselves.


What does a catalyst do to the rate of a chemical reaction?

A catalyst is a substance that speeds up the rate of a chemical reaction without changing the substance. It does this by reducing the minimal reaction energy. A catalyst is not used up in a reaction therefore they last indefinitely.


What is a substance that speeds up the rate of chemically reaction called?

a catalyst


How catalyst can change the rate of a chemical reaction?

speeds it up or starts it


What is substance that speeds up the rate of a chemical reaction is called a(an)?

a catalyst