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Reactant concentration is the exponent or index in which a substance's concentration term is increased in the rate equation. Reactant concentration is also known as the order of reaction.

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Q: What is the definition of a reactant concentration?
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If you double a concentration of a reactant then the rate of the reaction doubled The order with respect to the reactant is?

First order; the rate is directly proportional to the concentration of reactant.


Did a chemical reaction take place if a reactant is smaller?

Yes. If Concentration of a reactant has decreased, that means that that concentration was used in the formation of a product.


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.


What happens to the yield of ammonia when the concentration of reactant is increased?

..


How the limiting reactant control the product?

The yield of the reaction depends in this case only on the concentration of the limiting reactant.


The speed at which a reactant will change to a product is proportional to its?

molecular concentration


What is the effect on the rate of a chemical reaction when the concnetration of a reactant is decreased?

When the concentration of the reactant is decreased, the rate of chemical reaction go slow.


What are 4 ways the rates of chemical reactions can vary?

Chemical reactions proceed via the formula: R=k[a]x [b]y/[ab]c Where R= reaction rate k= constant [a] = concentration of first reactant [b]= concentration of second reactant [ab]= concentration of product x,y,c = exponential that are unique to every reaction. R therefore varies by: Concentration of reactant a Concentration of reactant b Concentration of product ab Value of reaction constant k Reaction rate can also be affected by temperature but that's an entirely different equation. The Arrhenius equation.


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.


How will decreasing reactant concentration affect the reaction rate?

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.


What is the scientific definition of reactant?

Something that reacts to another substance.