The effective rate constants for a unimolecular gas phase reaction are 1.70 x10-3 s-l and 2.20 x10-4 s¯1 at [A]= 4.37 x10-4 mol dm-3 and 1.00 x10-5 mol dm-³, respectively. Calculate the rate constant for the activation step in the mechanism. 28.2 dm³ mol-' s"1 O 21.0 dm³ mol-l s-1 O 24.7 dm³ mol-l s-1 12.4 dm3 mol-! s-1

Introduction to Chemical Engineering Thermodynamics
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Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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The effective rate constants for a unimolecular gas phase reaction are 1.70 x10-3 s and 2.20 x10-4 s 1 at
[A]= 4.37 x10-4 mol dm-³ and 1.00 x10-³ mol dm²³, respectively. Calculate the rate constant for the
activation step in the mechanism.
28.2 dm3 mol-1 s-1
21.0 dm³ mol-1 s-1
24.7 dm3 mol-1 s-1
12.4 dm3 mol-1s-1
Transcribed Image Text:The effective rate constants for a unimolecular gas phase reaction are 1.70 x10-3 s and 2.20 x10-4 s 1 at [A]= 4.37 x10-4 mol dm-³ and 1.00 x10-³ mol dm²³, respectively. Calculate the rate constant for the activation step in the mechanism. 28.2 dm3 mol-1 s-1 21.0 dm³ mol-1 s-1 24.7 dm3 mol-1 s-1 12.4 dm3 mol-1s-1
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