± Half-life (kinetics) for First Order Reactions < 10 of 18> I Review | Constants | Periodic Table Half-life equation for first-order reactions: 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 0.693 reached. where t2 is the half-life in seconds (s), and k is the rate constant inverse seconds (s1) The integrated rate law for a first-order reaction is: [A] = [A]oe Part A Now say we are particularly interested in the time it would take for the concentration to become one-half of its initial JA What is the half-life of a first-order reaction with a rate constant of 7.40x10-4 s12 value. Then we could substitute for [A] and rearrange the equation to: Express your answer with the appropriate units. > View Available Hint(s) 4/2 = 0.603 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, ? Value Units
± Half-life (kinetics) for First Order Reactions < 10 of 18> I Review | Constants | Periodic Table Half-life equation for first-order reactions: 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 0.693 reached. where t2 is the half-life in seconds (s), and k is the rate constant inverse seconds (s1) The integrated rate law for a first-order reaction is: [A] = [A]oe Part A Now say we are particularly interested in the time it would take for the concentration to become one-half of its initial JA What is the half-life of a first-order reaction with a rate constant of 7.40x10-4 s12 value. Then we could substitute for [A] and rearrange the equation to: Express your answer with the appropriate units. > View Available Hint(s) 4/2 = 0.603 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, ? Value Units
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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