Spring 17 LEONOWICZ I Activities and Due Dates I Lecture 2 Homework Not set A 7.

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Spring 17 LEONOWICZ I Activities and Due Dates I Lecture 2 Homework Not set A 7.3/10 2/1/2017 02:18 PM ten Print Calaulator Periodic Table Question 1 of 5 Sapling Learning rnakm lan learning Using the given data, determine the rate constant Trial LA] (M) M Rate (MS) of this reaction. 1 0.320 0.240 0.0154 2 0.320 0.480 0.0154 A 2 B C+ D 3 0.640 0.240 0.0616 Units Number 840 Jump to Resources B Gradebook o Assignment Infor Available From: Due Date: Points Possible: Grade Category: Description: Policies: You can check your a You can view solution up on any question. You can keep trying t you get it right or giv You lose 5% of the po in your question for e O eTextbook

Explanation / Answer

let rate = k[A]^x[B]^y

using table

0.0154=k[0.32]^x[0.24]^y

0.0154=k[0.32]^x[0.48]^y

0.0616=k[0.64]^x[0.24]^y

using 1 and 3

154/616 = (1/2)^x

ln(154/616) = xln(1/2)

-> x= 2

using 1 and 2

154/154 = (1/2)^y

y=0

--------------------------------------

rate = k[A]^2[B]^0 = k[A]^2

so, k=0.0154 / (0.320)^2 = 0.1504 M^-1 s^-1

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