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No, quite simply, the limiting reactant limits the reaction and determines how much of the products are made. The excess in the reaction is just called the "excess reactant", which still remains after the limiting reactant is used up.

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โˆ™ 2009-07-25 21:16:56
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Q: Is the limiting reactant in a reaction always in excess?
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Related questions

What is Non Limiting Reactant?

The non-limiting, or excess reactant, is the reactant that does not expire first in a reaction. There will be some of this leftover after the reaction goes to completion.


What is the difference between limiting reactant and excess reactant?

A limiting reagent is completely used up during the reaction whereas the excess reagent is the left over substance after the reaction has taken place. Excess reagent = initial reagent amount - limiting reagent amount.


Distinguish between limiting reactant and excess reactant in a chemical reaction?

The Limiting Reactant is the smaller number once you compare the two reactants with one product. The product that you are comparing them both with must be the same. The Excess Reactant is the larger number, or the amount left over in the chemical reaction.


What is limiting reagent and excess reagent?

limiting reactant/reagent is the reactant/reagent that is in lesser amount in terms of the number of moles. this is the reactant/reagent that determines the theoretical yield of a product(s) in a chemical reaction excess reactant/reagent is the reactant/reagent that is in greater amount in terms of the number of moles.


Does a decomposition reaction decompose to a limiting reactant and a theoretical reactant?

there is a difference between decompositon reaction and to decompose the reaction mixture in (for example ice/HCl) n'mixture which for lmiting the excess reagents


Limiting a reactant is often accomplished by?

Using an excess of another reactant limits a reactant.


Why does the amount of product formed is directly proportional to the amount of limiting reactant used?

because the limiting reactant is not in excess so it's all used up . as the limiting reactant is used up the reaction stops so no more product can be made.


What happens when you remove a reactant from a chemical reaction?

The reaction stops. If you have a reactant that runs out, it's called the limiting reactant. Even if you have plenty of the other reactant (called the excess reactant), your reaction requires both, so once it runs out you will no longer be producing any product.


Why is it necessary to identify the limiting reactant when you want to know how much product will form in a chemical reaction?

The limiting reactant tells you how much of each reactant is formed. If you use the excess material a false answer for the calculated products will come out.


Why is limiting reactants important in stoichiometry?

Limiting reactants are the reactants that are used up first. And once they are used up, they stop, or limit, the reaction. So the amount of product that can be produced depends on the limiting reactant. The other reactant, the one in excess, would predict a larger amount of product. But once we produce the amount of product predicted by the limiting reactant. The limiting reactant is used up and the reaction stops.


What is the difference between a limiting reactant and an excess reactant?

the limiting reactant is how much of a compound or solution you need to make an experiment possible. the excess reactant is the amount left over from the other compound or solution used (the other reactant that is used)


What is a excess reagent?

A reagent present in a quantity that is more sufficient to react with a limiting reagent; any reactant that remains after the limiting reagent is used up in a chemical reaction.

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