The reaction A + 2B → Products was found to have the rate law, rate = k[A][B]². Predict by what factor the rate of reaction will increase when the concentration of A is doubled and the concentration of B is also doubled.

Question

Quizplus · Accepted Answer

Doubling the concentration of A increases the rate by a factor of 2 (since the rate is directly proportional to [A]), and doubling the concentration of B increases the rate by a factor of 2^2 = 4 (since the rate is directly proportional to [B]^2). Multiplying these factors together gives 2 * 4 = 8.

The Reaction a + 2B → Products Was Found to Have