In rate = k[A]^2, if [A] triples, by what factor does the rate increase?

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Multiple Choice

In rate = k[A]^2, if [A] triples, by what factor does the rate increase?

Explanation:
The rate is second-order with respect to A, meaning it is proportional to [A] squared. If [A] becomes three times larger, the rate becomes k(3[A])^2 = 9k[A]^2, which is nine times the original rate. So the rate increases by a factor of nine.

The rate is second-order with respect to A, meaning it is proportional to [A] squared. If [A] becomes three times larger, the rate becomes k(3[A])^2 = 9k[A]^2, which is nine times the original rate. So the rate increases by a factor of nine.

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