The half-life for a certain first-order reaction is 13 minutes. If the initial concentration of reactant is 0.085M, how many minutes will it take for it to decrease to 0.055M? a) 8.2 min. b) 11 min. c) 3.6 min. d) 0.048 min. e) 15 min. f) 21 min. g) 38 min.

The half-life for a certain first-order reaction is 13 minutes. If the initial concentration of reactant is 0.085M, how many minutes will it take for it to decrease to 0.055M? a) 8.2 min. b) 11 min. c) 3.6 min. d) 0.048 min. e) 15 min. f) 21 min. g) 38 min.

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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The half-life for a certain first-order reaction is 13 minutes. If the initial concentration
of reactant is 0.085M, how many minutes will it take for it to decrease to 0.055M?
a) 8.2 min. b) 11 min. c) 3.6 min. d) 0.048 min. e) 15 min. f) 21 min. g) 38 min.

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