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a reaction is second order with respect to one of its reactants. By what factor will...

a reaction is second order with respect to one of its reactants. By what factor will the rate increase if the reactant concentration is tripled and all the other reactants are held constant. explain

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Answer #1

Let the reactant be A

Given Rate law is:
rate = k[A]^2
rate new / rate old = ([A]new/[A]old)^2
here:
[A]new/[A]old = 3
putting values
rate new / rate old = (3)^2
rate new / rate old = 9

Rate become 9 times
Answer: 9

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