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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.

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Related Questions

Why a catalyst is not involved chemically in chemical reaction?

The catalyst is not a reactant; a catalyst only favors a chemical reaction, the reaction rate and yield.


How does catalyst effect chemical change?

A catalyst alters the rate of a chemical reaction.


Is catalyst a product of chemical reaction?

No a catalyst is unchanged by a chemical reaction, it does however serve to speed up the rate of the reaction.


What effect does a catalyst have?

A catalyst speeds up a chemical reaction by lowering the activation energy required for the reaction to occur. It does so by providing an alternative reaction pathway that requires less energy to initiate the reaction. The catalyst itself remains unchanged at the end of the reaction and can be used over and over again.


What accelerates the rate of a chemical reaction?

a catalyst


What happens to the reaction rate when a catalyst is used in a chemical reaction?

When a catalyst is used in a chemical reaction, the reaction rate typically increases. This is because the catalyst provides an alternative reaction pathway with lower activation energy, allowing the reaction to proceed more quickly. Catalysts themselves are not consumed in the reaction and can be reused.


What is Catalyst for chemical reaction?

A catalyst can improve the reaction rate or allows the realization of a chemical reaction with an energy lower than the activation energy.


What is the effect of a catalyst on a chemical reaction?

To Cause a Chemical reaction. A properly chosen, specific catalyst is able to speed up the rate of a particular chemical reaction.


What parameter involved in a chemical reaction will change with the addition of a catalyst?

The rate of a chemical reaction will change in the presence of a catalyst, unless the reaction is already at equilibrium.


What is a substance that accelerates the rate of a chemical reaction?

a catalyst


Is a substance that increases the rate of a chemical reaction?

It is a catalyst.


What is catalsts'?

Catalyst alter chemical rate of reaction