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Answered 2014-12-21 19:38:34

Decreasing the reactant concentration will slow the rate of the reaction. If you use the idea of adding oxygen and hydrogen to make water and decease the amount of one, you will produce less water. It doesn't matter which reactant is less as there are just are not enough to go around.

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How will decreasing reactant concentration affect the reaction rate?

It depends on the order of the reaction. If it is zero order, decreasing the reactant concentration will have NO effect on the rate. If it is 1st or 2nd order (or more), then decreasing the concentration will DECREASE the reaction rate.


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How does the concentration of n2o5 affect the reaction rate?

Generally speaking, reaction rate increases as concentration increases. If N2O5 is a reactant in a chemical reaction, a greater concentration of it means it will react more quickly. This is because there is more of that reactant available for the reaction.


How does an increase in reactant concentration affect the rate of reaction?

It leads to more frequent collisions, which increase reaction rate.


How does decreasing reactant concentration affect the rate of reaction?

It reduces it. This is because when reactions occur the atoms 'bump into' each other. The less atoms per space (decreased concentration) the less bumping in a given period takes place, therefore creating a slower reaction. 


How does decreasing the concentration of the reactants affect the rate of a chemical reaction?

Decreasing the concentrations of all the reactants will almost always decrease the rate of the reaction. Decreasing the concentration of only reactants not involved in the rate determining step will not change the reaction rate at all.


How does the concentration of reactants affect the rate of a reaction?

Increasing the concentration increases the molecules' collision frequency.


Factor that affect the rate of reaction?

Temperature, concentration/pressure, the presence of a catalyst, the size of reactant particles, and the presence of an inhibitor.


How will decreasing the temperature of a reaction affect the chemical reaction?

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How does yeast concentration affect the rate of reaction?

The higher the reactant, the higher the rate of reaction will be. The more yeast is added, the faster the reaction will take place and the more quickly the substrate will be converted to the final product.


How will increasing the concentration of reactants affect the rate of a chemical reaction?

It will increase the reaction rate or leave it the same, depending on whether the particular reactant added is one that is limiting the reaction rate before the addition.


If the order of a chemical reaction with respect to one of its reactants is zero how does that reactant's concentration affect the rate of the chemical reaction?

It doesn't - the reaction rate will not change regardless of how much of that reactant is added. That's the definition of zero-order.


Does the mass of a solid reactant affect the reaction rate?

yes it does


How does a catalyst affect the speed of a reaction?

The rate and the yield of a reaction are improved; the catalyst is not a reactant.


How factors affect rates of physical change?

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How can the affect of heat on a reaction be determined?

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How does the concentration of the reactants affect the speed of a reaction?

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What affect do concentration changes have on the reaction rate?

The rate is affected by concentration changes have on the reaction rate.


What cause the concentration of reactants to affect the reaction?

The reaction rate increase when the concentration of reactants increase.


How does the concentration of solutions affect the rate of reaction?

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A factor that affects the rate of reaction?

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Does concentration have an affect on reaction rate?

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