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I Review | Constants | P Part B The integrated rate law allows chemists to predict the reactant concentration after a certain amount of time, or the time it would take for a certain concentration to be reached. The integrated rate law for a first-order reaction is: What is the rate constant of a first-order reaction that takes 437 seconds for the reactant concentration to drop to half of its Express your answer with the appropriate units. > View Available Hint(s) [A] = [A]oe-kt Now say we are particularly interested in the time it would take for the concentration to become one-half of its initial (A value. Then we could substitute e for JA] and rearrange the equation to: Value Units 0.693 1/2 Submit This equation calculates the time required for the reactant concentration to drop to half its initial value, In other words, it calculates the half-life. Part C

I Review | Constants | P Part B The integrated rate law allows chemists to predict the reactant concentration after a certain amount of time, or the time it would take for a certain concentration to be reached. The integrated rate law for a first-order reaction is: What is the rate constant of a first-order reaction that takes 437 seconds for the reactant concentration to drop to half of its Express your answer with the appropriate units. > View Available Hint(s) [A] = [A]oe-kt Now say we are particularly interested in the time it would take for the concentration to become one-half of its initial (A value. Then we could substitute e for JA] and rearrange the equation to: Value Units 0.693 1/2 Submit This equation calculates the time required for the reactant concentration to drop to half its initial value, In other words, it calculates the half-life. Part C

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 6PS: 6. Phenyl acetate, an ester, reacts with water according to the equation The data in the table were...
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+ Half-life (kinetics) for First Order Reactions 10 of 18 II Review | Constants | Periodic Table Part B The integrated rate law allows chemists to predict the reactant concentration after a certain amount of time, or the time it would take for a certain concentration to be What is the rate constant of a first-order reaction that takes 437 seconds for the reactant concentration to drop to half of its initial value? reached. Express your answer with the appropriate units. The integrated rate law for a first-order reaction is: • View Available Hint(s) [A] = [A]ge=kt Now say we are particularly interested in the time it would take for the concentration to become one-half of its initial [A]. value. Then we could substitute for [A] and rearrange the equation to: Value Units 0.693 t/2= Submit This equation calculates the time required for the reactant concentration to drop to half its initial value. In other words, it calculates the half-life. Part C
Transcribed Image Text:+ Half-life (kinetics) for First Order Reactions 10 of 18 II Review | Constants | Periodic Table Part B The integrated rate law allows chemists to predict the reactant concentration after a certain amount of time, or the time it would take for a certain concentration to be What is the rate constant of a first-order reaction that takes 437 seconds for the reactant concentration to drop to half of its initial value? reached. Express your answer with the appropriate units. The integrated rate law for a first-order reaction is: • View Available Hint(s) [A] = [A]ge=kt Now say we are particularly interested in the time it would take for the concentration to become one-half of its initial [A]. value. Then we could substitute for [A] and rearrange the equation to: Value Units 0.693 t/2= Submit This equation calculates the time required for the reactant concentration to drop to half its initial value. In other words, it calculates the half-life. Part C
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