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Why a catalyst is not considered a reactant or product in a chemical reaction?
Wiki User
∙ 14y ago
If a substance is a reactant or product of a chemical reaction then, by definition, it cannot be a catalyst.
Velda Hauck
Wiki User
∙ 7y agoA catalyst is not considered a product or reactant of a chemical reaction because it remains unchanged by the reaction. It is a substance that decreases the activation energy needed to start a chemical reaction.
Wiki User
∙ 14y agoA catalyst is unchanged by the reaction, and remains as it was. It causes the start of the reaction, but is still there AFTER the reaction. Example- the catalytic converter on an automobile exhaust contains platinum metal. This causes a chemical reaction to take place in the exhaust gasses, but the metal remains in the converter, and is not consumed.
Wiki User
∙ 7y agoNoble gases as they do not react with any substance
Wiki User
∙ 7y agoIf a substance is a reactant or product of a chemical reaction then, by definition, it cannot be a catalyst.
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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!
Describe the roles of a catalyst and substrate in a chemical reaction?
A catalyst is a substance that speeds up the rate of a chemical reaction. Catalysts work by lowering a reaction's activation energy.A substrate is a reactant of an enzyme-catalyzed reaction.
How is a catalysts different from a reactant?
a catalyst can affect the rate of a reaction. speeding it up.
Is a catalyst consumed by the reaction?
The terms reactant and reagent are often used interchangeably-however, a reactant is more specifically a substance consumed in the course of a chemical reaction. Solvents, though involved in the reaction, are usually not called reactants. Similarly, catalysts are not consumed by the reaction, so they are not reactants. In biochemistry, especially in connection with enzyme-catalyzed reactions, the reactants are commonly called substrates. So, it will be literally wrong to call catalyst a reagent.
Is a catalyst used up in a reaction?
Yes, a catalyst can be re-used, because It is NOT actually used in a chemical reaction. A catalyst will increase the rate of reaction by attracting reactants, but the catalyst is not a reactant. However, the reuse cannot be done indefinitely then, depending on the severity of the reaction conditions, it can be occur a small, but accumulative deactivation of the catalys.
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.
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.
What is a true of a catalyst?
The catalyst is not a reactant in a chemical reaction but contribute to the success of this reaction.
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!
How are the words reactant product chemical reaction and catalyst related?
Reactants: the initial substances in a chemical reaction Products: the final substances in a chemical reaction Catalyst: a stimulator of a chemical reaction, not directly involved in the reaction, remain unchanged
What must be added to a reactant to start a chemical reaction?
Either an energy source to start the reaction or a catalyst.
Why a catalyst is not considered a reactant or product in chemical reaction?
A catalyst is unchanged by the reaction, and remains as it was. It causes the start of the reaction, but is still there AFTER the reaction. Example- the catalytic converter on an automobile exhaust contains platinum metal. This causes a chemical reaction to take place in the exhaust gasses, but the metal remains in the converter, and is not consumed.
Describe the roles of a catalyst and substrate in a chemical reaction?
A catalyst is a substance that speeds up the rate of a chemical reaction. Catalysts work by lowering a reaction's activation energy.A substrate is a reactant of an enzyme-catalyzed reaction.
What are the two attributes of a catalyst?
A catalyst must change the rate of a chemical reaction. It must be unchanged at the end of the reaction.
The substance not completely used up in a chemical reaction is known as the?
a product
How is a catalysts different from a reactant?
a catalyst can affect the rate of a reaction. speeding it up.
