Atkins' Physical chemistry
Atkins' Physical chemistry
11th Edition
ISBN: 9780198814740
Author: ATKINS, P. W. (peter William), 1940- (author.)
Publisher: Oxford University Press,
bartleby

Videos

Question
Book Icon
Chapter 17, Problem 17B.4AE

(i)

Interpretation Introduction

Interpretation:

The second order rate constant for the reaction CH3COOC2H5(aq) + OH-(aq) CH3CO2(aq)-+ CH3CH2OH(aq) is 0.11dm3mol-1.  The concentration of ester after 20s has to be found.

(i)

Expert Solution
Check Mark

Explanation of Solution

  A + B  Products

Integrated rate law for this reaction is:

    ln([A]o[B][B]o[A]) = ([B]o-[A]o)ktk=rate constant[A]o,[B]o-initial concentration of the reactants[A],[B]- concentrations of A,B

Given equation is:

    CH3COOC2H5(aq) + OH-(aq) CH3CO2(aq)-+ CH3CH2OH(aq)ln([CH3COOC2H5]o[OH-][OH]o[CH3COOC2H5])=([OH-]o-[CH3COOC2H5]o)ktReplace[OH-] and [CH3COOC2H5] with [OH-]o-x and [CH3COOC2H5]o-xln([CH3COOC2H5]o[OH-]-x[OH]o[CH3COOC2H5]-x)=([OH-]o-[CH3COOC2H5]o)kt

Then the concentration of ester after 20s when ethyl ethanoate is added to aqueous sodium hydroxide will be:

ln((0.110moldm-3)(0.060moldm-3-x)(0.060moldm-3)(0.110moldm-3-x)) = (0.060moldm-3-0.110moldm-3) (0.110moldm-3) 20 s ln((0.1100.060)(0.060moldm-3-x)(0.110moldm-3-x)) = -0.11(0.060moldm-3-x)(0.110moldm-3-x) = e-0.11(0.1100.060)0.060moldm-3-x = 0.4886(0.110moldm-3-x)0.060moldm-3-x = 0.0538moldm-3- 0.4886xx = 0.0121moldm-3So concentration of ester left after 20 seconds:0.110moldm-3-0.0121moldm-3= 0.098moldm-3

(ii)

Interpretation Introduction

Interpretation:

The second order rate constant for the reaction CH3COOC2H5(aq) + OH-(aq) CH3CO2(aq)-+ CH3CH2OH(aq) is 0.11dm3mol-1.  The concentration of ester after 15 minutes has to be found.

(ii)

Expert Solution
Check Mark

Explanation of Solution

  A + B  Products

Integrated rate law for this reaction is:

    ln([A]o[B][B]o[A]) = ([B]o-[A]o)ktk=rate constant[A]o,[B]o-initial concentration of the reactants[A],[B]- concentrations of A,B

Given equation is:

    CH3COOC2H5(aq) + OH-(aq) CH3CO2(aq)-+ CH3CH2OH(aq)ln([CH3COOC2H5]o[OH-][OH]o[CH3COOC2H5])=([OH-]o-[CH3COOC2H5]o)ktReplace[OH-] and [CH3COOC2H5] with [OH-]o-x and [CH3COOC2H5]o-xln([CH3COOC2H5]o[OH-]-x[OH]o[CH3COOC2H5]-x)=([OH-]o-[CH3COOC2H5]o)kt

Then the concentration of ester after 15 minutes when ethyl ethanoate is added to aqueous sodium hydroxide will be:

15min(60s1min) = 900s

ln((0.110moldm-3)(0.060moldm-3-x)(0.060moldm-3)(0.110moldm-3-x)) = (0.060moldm-3-0.110moldm-3) (0.110moldm-3) 900 s ln((0.1100.060)(0.060moldm-3-x)(0.110moldm-3-x)) = -4.95(0.060moldm-3-x)(0.110moldm-3-x) = e-0.495(0.0600.110)0.060moldm-3-x = 7.083×103(0.110moldm-3-x)0.060moldm-3-x = 0.0538moldm-3- 0.4886xx = 0.596moldm-3So concentration of ester left after 20 seconds:0.110moldm-3-0.596moldm-3= 0.050moldm-3

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Chapter 17 Solutions

Atkins' Physical chemistry

Ch. 17 - Prob. 17A.2DQCh. 17 - Prob. 17A.3DQCh. 17 - Prob. 17A.4DQCh. 17 - Prob. 17A.1AECh. 17 - Prob. 17A.1BECh. 17 - Prob. 17A.2AECh. 17 - Prob. 17A.2BECh. 17 - Prob. 17A.3AECh. 17 - Prob. 17A.3BECh. 17 - Prob. 17A.4AECh. 17 - Prob. 17A.4BECh. 17 - Prob. 17A.5AECh. 17 - Prob. 17A.5BECh. 17 - Prob. 17A.6AECh. 17 - Prob. 17A.6BECh. 17 - Prob. 17A.7AECh. 17 - Prob. 17A.7BECh. 17 - Prob. 17A.9AECh. 17 - Prob. 17A.9BECh. 17 - Prob. 17A.1PCh. 17 - Prob. 17A.2PCh. 17 - Prob. 17A.3PCh. 17 - Prob. 17B.1DQCh. 17 - Prob. 17B.2DQCh. 17 - Prob. 17B.3DQCh. 17 - Prob. 17B.1BECh. 17 - Prob. 17B.2AECh. 17 - Prob. 17B.2BECh. 17 - Prob. 17B.3AECh. 17 - Prob. 17B.3BECh. 17 - Prob. 17B.4AECh. 17 - Prob. 17B.4BECh. 17 - Prob. 17B.5AECh. 17 - Prob. 17B.5BECh. 17 - Prob. 17B.6BECh. 17 - Prob. 17B.3PCh. 17 - Prob. 17B.4PCh. 17 - Prob. 17B.5PCh. 17 - Prob. 17B.6PCh. 17 - Prob. 17B.7PCh. 17 - Prob. 17B.8PCh. 17 - Prob. 17B.9PCh. 17 - Prob. 17B.10PCh. 17 - Prob. 17B.11PCh. 17 - Prob. 17B.12PCh. 17 - Prob. 17B.14PCh. 17 - Prob. 17B.15PCh. 17 - Prob. 17B.16PCh. 17 - Prob. 17B.17PCh. 17 - Prob. 17B.18PCh. 17 - Prob. 17C.1DQCh. 17 - Prob. 17C.2DQCh. 17 - Prob. 17C.1BECh. 17 - Prob. 17C.2AECh. 17 - Prob. 17C.2BECh. 17 - Prob. 17C.6PCh. 17 - Prob. 17D.1DQCh. 17 - Prob. 17D.1AECh. 17 - Prob. 17D.1BECh. 17 - Prob. 17D.2AECh. 17 - Prob. 17D.2BECh. 17 - Prob. 17D.3AECh. 17 - Prob. 17D.3BECh. 17 - Prob. 17D.4AECh. 17 - Prob. 17D.4BECh. 17 - Prob. 17D.5BECh. 17 - Prob. 17D.1PCh. 17 - Prob. 17D.3PCh. 17 - Prob. 17D.4PCh. 17 - Prob. 17D.5PCh. 17 - Prob. 17D.6PCh. 17 - Prob. 17E.1DQCh. 17 - Prob. 17E.2DQCh. 17 - Prob. 17E.3DQCh. 17 - Prob. 17E.4DQCh. 17 - Prob. 17E.5DQCh. 17 - Prob. 17E.6DQCh. 17 - Prob. 17E.1AECh. 17 - Prob. 17E.1BECh. 17 - Prob. 17E.2AECh. 17 - Prob. 17E.2BECh. 17 - Prob. 17E.3AECh. 17 - Prob. 17E.3BECh. 17 - Prob. 17E.4PCh. 17 - Prob. 17F.1DQCh. 17 - Prob. 17F.3DQCh. 17 - Prob. 17F.4DQCh. 17 - Prob. 17F.1AECh. 17 - Prob. 17F.1BECh. 17 - Prob. 17F.2AECh. 17 - Prob. 17F.2BECh. 17 - Prob. 17F.3AECh. 17 - Prob. 17F.3BECh. 17 - Prob. 17F.4AECh. 17 - Prob. 17F.4BECh. 17 - Prob. 17F.2PCh. 17 - Prob. 17F.3PCh. 17 - Prob. 17F.4PCh. 17 - Prob. 17F.6PCh. 17 - Prob. 17F.7PCh. 17 - Prob. 17G.1AECh. 17 - Prob. 17G.1BECh. 17 - Prob. 17G.2AECh. 17 - Prob. 17G.2BECh. 17 - Prob. 17G.3AECh. 17 - Prob. 17G.3BECh. 17 - Prob. 17G.1PCh. 17 - Prob. 17G.2PCh. 17 - Prob. 17G.7PCh. 17 - Prob. 17.3IACh. 17 - Prob. 17.6IACh. 17 - Prob. 17.7IA
Knowledge Booster
Background pattern image
Chemistry
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Text book image
Chemistry
Chemistry
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Text book image
Chemistry
Chemistry
ISBN:9781259911156
Author:Raymond Chang Dr., Jason Overby Professor
Publisher:McGraw-Hill Education
Text book image
Principles of Instrumental Analysis
Chemistry
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Cengage Learning
Text book image
Organic Chemistry
Chemistry
ISBN:9780078021558
Author:Janice Gorzynski Smith Dr.
Publisher:McGraw-Hill Education
Text book image
Chemistry: Principles and Reactions
Chemistry
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:Cengage Learning
Text book image
Elementary Principles of Chemical Processes, Bind...
Chemistry
ISBN:9781118431221
Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:WILEY
Kinetics: Initial Rates and Integrated Rate Laws; Author: Professor Dave Explains;https://www.youtube.com/watch?v=wYqQCojggyM;License: Standard YouTube License, CC-BY