organic question The following is a multi-step reaction. The rate-limiting step

Question

organic question

The following is a multi-step reaction. The rate-limiting step is unimolecular , with A as the sole reactant. A + B right arrow C+ D If [A] and [B] are both 0.155 M, then the rate of reaction is 0.0030 M/s. (a) What is the rate of the reaction if [A] is doubled? Number M/s (b) Starting with the original concentrations, what is the rate of the reaction if [B] is halved? Number M s (c) Starting with the original concentrations, what is the rate of the reaction if [A] and [B] are both increased by a factor of four? Number M Is

Explanation / Answer

rate=k[A]m[B]

since the rate limiting step is unimolecular so the rate depends only on the concentration of A

a)rate = 2*0.0030 = 0.0060 M/s

b) rate = remain the same = 0.0030 M/s

c) rate = 4* 0.0030 = 0.0120 M/s

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