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At a certain temperature the rate of this reaction is first order in HI with a rate constant of 0.161 s 2HI(g) → H₂(g) + 1₂ (8) Suppose a vessel contains HI at a concentration of 1.49 M. Calculate how long it takes for the concentration of HI to decrease by 80.0%. You may assume no other reaction is important. Round your answer to 2 significant digits. s S X

At a certain temperature the rate of this reaction is first order in HI with a rate constant of 0.161 s 2HI(g) → H₂(g) + 1₂ (8) Suppose a vessel contains HI at a concentration of 1.49 M. Calculate how long it takes for the concentration of HI to decrease by 80.0%. You may assume no other reaction is important. Round your answer to 2 significant digits. s S X

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
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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Answer in two significant figures, please!
At a certain temperature the rate of this reaction is first order in HI with a rate constant of 0.161 s 2HI(g) → H₂(g) + 1₂ (8) Suppose a vessel contains HI at a concentration of 1.49 M. Calculate how long it takes for the concentration of HI to decrease by 80.0%. You may assume no other reaction is important. Round your answer to 2 significant digits. 0₁ x10 X S
Transcribed Image Text:At a certain temperature the rate of this reaction is first order in HI with a rate constant of 0.161 s 2HI(g) → H₂(g) + 1₂ (8) Suppose a vessel contains HI at a concentration of 1.49 M. Calculate how long it takes for the concentration of HI to decrease by 80.0%. You may assume no other reaction is important. Round your answer to 2 significant digits. 0₁ x10 X S
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