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The stratospheric ozone (O3) layer helps to protect us

Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward ISBN: 9780321696724 27

Solution for problem 98IE Chapter 6

Chemistry: The Central Science | 12th Edition

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Chemistry: The Central Science | 12th Edition | ISBN: 9780321696724 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward

Chemistry: The Central Science | 12th Edition

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Problem 98IE

Problem 98IE

The stratospheric ozone (O3) layer helps to protect us from harmful ultraviolet radiation. It does so by absorbing ultraviolet light and falling apart into an O2 molecule and an oxygen atom, a process known as photodissociation.

O3(g)→O2(g) + O(g)

Use the data in Appendix C to calculate the enthalpy change for this reaction. What is the maximum wavelength a photon can have if it is to possess sufficient energy to cause this dissociation? In what portion of the spectrum does this wavelength occur?

Step-by-Step Solution:

Problem 98IEThe stratospheric ozone (O3) layer helps to protect us from harmful ultraviolet radiation.It does so by absorbing ultraviolet light and falling apart into an O2 molecule and anoxygen atom, a process known as photodissociation. O3(g)O2(g) + O(g)Use the data in Appendix C to calculate the enthalpy change for this reaction. What is themaximum wavelength a photon can have if it is to possess sufficient energy to cause thisdissociation In what portion of the spectrum does this wavelength occurSolution 98IEStep 1:Here, we have to determine the enthalpy change for the given reaction.O 3g) O (g) 2 O(g)The enthalpy change for a reaction can determined by using the following equation: o o oH reaction H product H reactant ----(1)Given that,The enthalpy change for O (g2=0For O3g) =142.3 kJ/molFor O (g) =247.5 kJ/molTherefore, substituting the values in equation (1) we haveH reaction H product H reactant = (0 + 247.5 kJ 142.3 kJ) = 105.2 kJTherefore, the enthalpy change for this reaction is +105.2 kJ/mol.

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Chapter 6, Problem 98IE is Solved
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Textbook: Chemistry: The Central Science
Edition: 12
Author: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward
ISBN: 9780321696724

The full step-by-step solution to problem: 98IE from chapter: 6 was answered by , our top Chemistry solution expert on 04/03/17, 07:58AM. Chemistry: The Central Science was written by and is associated to the ISBN: 9780321696724. This textbook survival guide was created for the textbook: Chemistry: The Central Science, edition: 12. The answer to “The stratospheric ozone (O3) layer helps to protect us from harmful ultraviolet radiation. It does so by absorbing ultraviolet light and falling apart into an O2 molecule and an oxygen atom, a process known as photodissociation.O3(g)?O2(g) + O(g)Use the data in Appendix C to calculate the enthalpy change for this reaction. What is the maximum wavelength a photon can have if it is to possess sufficient energy to cause this dissociation? In what portion of the spectrum does this wavelength occur?” is broken down into a number of easy to follow steps, and 81 words. Since the solution to 98IE from 6 chapter was answered, more than 1069 students have viewed the full step-by-step answer. This full solution covers the following key subjects: wavelength, ultraviolet, photodissociation, molecule, calculate. This expansive textbook survival guide covers 49 chapters, and 5471 solutions.

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