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A reactant is consumed in a reaction to make products. A catalyst is not consumed during the reaction. It is either not directly involved in the reaction or regenerated upon the end of the reaction. This is the main difference. In addition, catalysts work by decreasing the activation energy for the reaction, allowing the reactants to react more easily.

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What is a reactant that binds to a catalyst?

A reactant that binds to a catalyst is known as a substrate. Substrates bind to the active site of the catalyst, where the chemical reaction takes place. This binding lowers the activation energy required for the reaction to occur.


will a catalyst change the enthalpy of a reaction in a chemical reaction?

No, a catalyst will not change reaction enthalpy. If it does so, then it is NOT a catalyst but a reactant in stead!


What chemical reactions take place when a biological catalyst combines with a reactant to form an unstable intermediate?

When a biological catalyst combines with a reactant to form an unstable intermediate, the catalyst facilitates the breaking and forming of chemical bonds in the reactant molecule through mechanisms such as acid-base catalysis, covalent catalysis, or metal ion catalysis. This leads to the formation of a transition state that is energetically favorable for the reaction to proceed, ultimately resulting in the formation of products and regeneration of the catalyst.


How is a catalysts different from a reactant?

A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process, while a reactant is a substance that participates in a chemical reaction and is consumed. Essentially, a catalyst speeds up a reaction without being changed itself, while a reactant is consumed during the reaction.


Can a catalyst change the orientation of a reactant collision?

No, a catalyst cannot change the orientation of a reactant collision. Catalysts work by providing an alternate reaction pathway with lower activation energy, but they do not influence the orientation of reactant collisions. The orientation of reactant collisions is determined by the relative positions and orientations of the reacting molecules.

Related Questions

Which does a catalyst not change?

Catalyst is not a reactant.


Why is a catalyst not a product or a reactant of a chemical reaction?

If a substance is a reactant or product of a chemical reaction then, by definition, it cannot be a catalyst.


Why is a catalyst not a product or reactant of a chemical reaction?

If a substance is a reactant or product of a chemical reaction then, by definition, it cannot be a catalyst.


What is the difference between positive catalyst and negative catalyst?

The substances which increase the rate of a chemical reaction are called a Positive Catalyst whereas The substances which decrease the rate of a chemical reaction are called Negative Catalyst. Positive Catalyst decreases the Activation energy of reactant molecules whereas negative catalyst increases the Activation energy of the reactant molecules. Positive Catalyst is also called the Promoter whereas negative catalyst is also called Inhibitor.


What is the difference between a homogeneous catalyst and a heterogeneous catalyst?

The difference between a homogeneous and a heterogeneous catalyst is that in a heterogeneous catalyst, it is in a different phase from the reactants. However, in a homogeneous catalyst, it is in the same phase as the reactants.


What is the difference between a reaction and products of a chemical reaction?

reactant + reactant = product


When hydrogen burns what is oxygenated role?

Oxygen acts as a reactant.


What is the main difference between a heterogeneous catalyst and a homogeneous catalyst?

The heterogeneous catalyst is not mixed with the reactants.


The substance not completely used up in a chemical reaction is known as the?

a product


Is catalyst consumed by the reaction?

No. If something is consumer, then it is a reactant.


What is a reactant that binds to a catalyst?

A reactant that binds to a catalyst is known as a substrate. Substrates bind to the active site of the catalyst, where the chemical reaction takes place. This binding lowers the activation energy required for the reaction to occur.


Is sodium hydroxide a reactant?

If NaOH is totally used up in the reaction process, it is a reactant; If not it's a catalyst.