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Rate Laws  PseudoOrder 
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#1
Feb1212, 03:53 PM

P: 11

1. The problem statement, all variables and given/known data
2A + 2B > C +D where rate = k [A] [B]^2 [A]_0 = .000443 M [B]_0 = 1.69 M A plot of ln [A] vs time has a slope of 9.87. What will the rate of this reaction be when [A]=[B]=1.412 M? 2. Relevant equations 3. The attempt at a solution From given information, this is pseudofirst order. So slope=k so k = 9.87 but this is pseudoorder so k'= 9.87 rate= k' [A] k' = k [B]^2 > k = k' / [B]^2 and I plug in the values for k' and [B] = 1.412 and I get the wrong answer. The answer should be 9.73 M/s 


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