A ALEKS . Corinne wentei . XG chemistry question ! Che KNETICS AND EQUILIBRIUM U

Question

A ALEKS . Corinne wentei . XG chemistry question ! Che KNETICS AND EQUILIBRIUM Using first- and second-order Integrated rate laws Corinne At a certain temperature this reaction follows second-order kinetics with a rate constant of 1.53AM S CICH.CH.Cl (g) CH.CHCI (g)-HC1@ Suppose a vessel contains CICTI,CII,Cl at a concentration of 1.38 M. Calculate the concentration of CICII,CTI,Cl in the vessel 1.90 seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits. Explanation Check 9ALEKS-Corinne Ve .. 1x14 PM 2/21/2018

Explanation / Answer

for a 2nd order reaction

1/[A] = kt + ( 1/[A]o)

given

k = 1.53 M-1 s-1

t = 1.9 s

[A]o = 1.38 M

plug in the values

1/[A] = (1.53 x 1.9) + ( 1/1.38)

1/[A] = 2.907 + 0.724637

[A] = 0.27536

so

the the concentration after 1.9 seconds is 0.27536 M

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