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con 19 The reaction CH3NC → CH3CN is called an isomerization reaction and involves the breaking of a C-N bond and subsequent formation of a C-C bo reactant and product have the same molecular formulas and so are isomers. This reaction has a rate constant of 0.111 s1 at a specific temperature. What is the concentration of CH3NC after 18.9 seconds if its initial concentration is 1.557 M? (the answer should be entered with 3 significant figures; do not enter units; give answer in scientific notation-valid notation examples include 1.23e-8 and i030 nnd 1 23e-4 and 1.23e0)

con 19 The reaction CH3NC → CH3CN is called an isomerization reaction and involves the breaking of a C-N bond and subsequent formation of a C-C bo reactant and product have the same molecular formulas and so are isomers. This reaction has a rate constant of 0.111 s1 at a specific temperature. What is the concentration of CH3NC after 18.9 seconds if its initial concentration is 1.557 M? (the answer should be entered with 3 significant figures; do not enter units; give answer in scientific notation-valid notation examples include 1.23e-8 and i030 nnd 1 23e-4 and 1.23e0)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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AMoving to another questioit estion 19 The reaction CH3NC - CH3CN is called an isomerization reaction and involves the breaking of a C-N bond and subsequent formation of a C-C bond. The reactant and product have the same molecular formulas and so are isomers. This reaction has a rate constant of 0,111 s at a specific temperature. What is the concentration of CH3NC after 18.9 seconds if its initial concentration is 1.557 M? (the answer should be entered with 3 significant figures; do not enter units; give answer in scientific notation-valid notation examples include 1.23e-8 and 1.23e8 and-1.23e-4 and 1.23e0) K Question 19 of 29 AMoving to another question will save this response. 40-9 ese %23 & delete 4. 5 6 7 E Р R T Y enter A S D F K G J retu Z X alt option ommand command option
Transcribed Image Text:AMoving to another questioit estion 19 The reaction CH3NC - CH3CN is called an isomerization reaction and involves the breaking of a C-N bond and subsequent formation of a C-C bond. The reactant and product have the same molecular formulas and so are isomers. This reaction has a rate constant of 0,111 s at a specific temperature. What is the concentration of CH3NC after 18.9 seconds if its initial concentration is 1.557 M? (the answer should be entered with 3 significant figures; do not enter units; give answer in scientific notation-valid notation examples include 1.23e-8 and 1.23e8 and-1.23e-4 and 1.23e0) K Question 19 of 29 AMoving to another question will save this response. 40-9 ese %23 & delete 4. 5 6 7 E Р R T Y enter A S D F K G J retu Z X alt option ommand command option
Expert Solution
Step 1

                            rate constant, k = 0.111 s-1

    Initial concentration of CH3NC = 1.557 M

Concentration after 18.9 seconds = ?

From the reaction and also from the rate constant units, we know that the reaction is first order reaction.

For first order reaction,

                                             [A] =[A]o e-kTln[A] = ln[A]o - kT

                                                  k =2.303t log [A]o[A]t

 

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