Answer :

Final answer:

Increasing reactant concentration leads to more collisions, speeding up the reaction rate.


Explanation:

Increasing the concentration of one or more reacting substances increases the reaction rate due to more frequent collisions. For example, in a solution with a higher concentration of acid, more acid particles can collide with the reactants, leading to a faster reaction rate.

Another factor influencing reaction rate is the energy of collisions. Assuming adequate energy, more collisions due to increased concentration result in a faster reaction.

Therefore, higher concentration facilitates more collisions, accelerating the reaction rate.


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