Cyclobutane decomposes when heated in a first order reaction to give ethylene by the reaction shown below. 2 C₂H4 C4H8 → a. The initial concentration of C4H8 was 0.00150M. After heating the cyclobutane for 455 seconds, the concentration of C4H8 was 0.00119M. What is the value and units for the rate constant for this reaction? b. Using the value and units of the rate constant from part a and the initial concentration of the C4H8 from part a, what would be the concentration of the C4H8 after 20.2 minutes? c. How long in minutes would it take for the concentration of the C4Hg to reduce by 95.0%? Again use the rate constant from part a and the initial concentration of 0.00150M. d. What is the half life for this reaction?

Cyclobutane decomposes when heated in a first order reaction to give ethylene by the reaction shown below. 2 C₂H4 C4H8 → a. The initial concentration of C4H8 was 0.00150M. After heating the cyclobutane for 455 seconds, the concentration of C4H8 was 0.00119M. What is the value and units for the rate constant for this reaction? b. Using the value and units of the rate constant from part a and the initial concentration of the C4H8 from part a, what would be the concentration of the C4H8 after 20.2 minutes? c. How long in minutes would it take for the concentration of the C4Hg to reduce by 95.0%? Again use the rate constant from part a and the initial concentration of 0.00150M. d. What is the half life for this reaction?

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter11: Chemical Kinetics: Rates Of Reactions

Section: Chapter Questions

Problem 39QRT

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