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Question 14: In the first order reaction, A->2B, it takes 125 seconds for 20.0 percent of a sample of A to react. What is the value of the rate constant, k? (to 3 significant figures) /s How long in seconds would it take until 10.0 percent of the original sample of A remained? S Check

Question 14: In the first order reaction, A->2B, it takes 125 seconds for 20.0 percent of a sample of A to react. What is the value of the rate constant, k? (to 3 significant figures) /s How long in seconds would it take until 10.0 percent of the original sample of A remained? S Check

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter14: Chemical Kinetics: The Rates Of Chemical Reactions
Section: Chapter Questions
Problem 19PS: Hydrogen peroxide, H2O2(aq), decomposes to H2O() and O2(g) in a reaction that is first-order in H2O2...
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Question 14: In the first order reaction, A->2B, it takes 125 seconds for 20.0 percent of a sample of A to react. What is the value of the rate constant, k? (to 3 significant figures) /s How long in seconds would it take until 10.0 percent of the original sample of A remained? S Check
Transcribed Image Text:Question 14: In the first order reaction, A->2B, it takes 125 seconds for 20.0 percent of a sample of A to react. What is the value of the rate constant, k? (to 3 significant figures) /s How long in seconds would it take until 10.0 percent of the original sample of A remained? S Check
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