Consider the hypothetical reaction: A + B + 20 –→ 2D + E where the rate law is Rate = -ALAl = K[A][B]² An experiment is carried out where [A]o = 7.200 x 10² M, [B]o = 2.500 M and [C], = 2.500 M. The reaction is started, and after 11.60 seconds, the concentration of A is 2.200 x 10° M. Calculate the value of k for this reaction in units of M²²s-1. Answer: 37.987

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Consider the hypothetical reaction:
A + B + 20 → 2D + E
where the rate law is
Rate = -AL4 = k[AJ[B]2
At
An experiment is carried out where [A]o = 7.200 x 102 M, [B]o = 2.500 M and [C], = 2.500 M. The reaction is
started, and after 11.60 seconds, the concentration of A is 2.200 x 10° M. Calculate the value of k for this
reaction in units of M²sª.
Answer:
37.987
The correct answer is: 0.04811
Transcribed Image Text:Consider the hypothetical reaction: A + B + 20 → 2D + E where the rate law is Rate = -AL4 = k[AJ[B]2 At An experiment is carried out where [A]o = 7.200 x 102 M, [B]o = 2.500 M and [C], = 2.500 M. The reaction is started, and after 11.60 seconds, the concentration of A is 2.200 x 10° M. Calculate the value of k for this reaction in units of M²sª. Answer: 37.987 The correct answer is: 0.04811
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