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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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14y ago
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6mo ago

lowers the activation energy required for the reaction to occur, making it easier for the reactants to form products. This allows the reaction to proceed faster, but does not affect the overall energy change or equilibrium position of the reaction.

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13y ago

Because it lowers the activation energy needed to "start" the reaction.

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Related questions

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 increases the rate of a chemical reaction by lowering the activation energy needed for the reaction to occur. This allows the reaction to proceed faster without being consumed in the process.


How catalyst can change the rate of a chemical reaction?

speeds it up or starts it


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

a catalyst


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

a catalyst