Apply collision theory to explain why increasing the concentration of a reactant usually increases the reaction rate.

Interpretation:
This is to be explained that increasing concentration of a reactant usually increases the reaction rate using the collision theory.
Concept introduction:
Reaction rate is the change in the amount of products or reactants per unit time.
Answer to Problem 52A
On increasing concentration of reactant, frequency of collisions between reactant increases. Thus increases rate of reaction.
Explanation of Solution
In a chemical reaction surface area, temperature catalyst or inhibitors, reactivity, concentrations of the substance affects rate of reaction. From collision theory between reactant molecules number of collisions is proportional to rate of a chemical reaction. Frequency of collisions between reactant increases on increasing concentration of reactant. Thus increases rate of reaction.
Between reactant molecules number of collisions is proportional to rate of a chemical reaction.
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Chemistry: Matter and Change
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