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Solution: When fruits such as apples and pears are cut, the

Chemistry | 12th Edition | ISBN: 9780078021510 | Authors: Raymond Chang; Kenneth Goldsby ISBN: 9780078021510 98

Solution for problem 25.31 Chapter 25

Chemistry | 12th Edition

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Chemistry | 12th Edition | ISBN: 9780078021510 | Authors: Raymond Chang; Kenneth Goldsby

Chemistry | 12th Edition

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Problem 25.31

When fruits such as apples and pears are cut, the exposed parts begin to turn brown. This is the result of an oxidation reaction catalyzed by enzymes present in the fruit. Often the browning action can be prevented or slowed by adding a few drops of lemon juice to the exposed areas. What is the chemical basis for this treatment?

Step-by-Step Solution:
Step 1 of 3

Organic Chemistry Equilibrium constant eA + fB  sC + tD ­ K eq[C] [D] / [A] [B] f Thermodynamics Y Z Thermodynamics: how much of ‘Z’ is formed Kinetics: How fast ‘Z’ is formed ∆G⁰ =­RTln K eq logK eq pka (conjugate acid)­ pka (acid) ∆G⁰ = ∆H⁰ – T ∆S⁰ Bond dissociation Energy (BDE) = BDE (bonds broken) – BDE (bonds formed) H­H + CH – C3 CH  CH 2 CH – C3 2 H H Rate = frequency of collision X fraction of proper orientation X fraction with sufficient (How fast) (location) (energy)

Step 2 of 3

Chapter 25, Problem 25.31 is Solved
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Textbook: Chemistry
Edition: 12
Author: Raymond Chang; Kenneth Goldsby
ISBN: 9780078021510

The answer to “When fruits such as apples and pears are cut, the exposed parts begin to turn brown. This is the result of an oxidation reaction catalyzed by enzymes present in the fruit. Often the browning action can be prevented or slowed by adding a few drops of lemon juice to the exposed areas. What is the chemical basis for this treatment?” is broken down into a number of easy to follow steps, and 60 words. Chemistry was written by and is associated to the ISBN: 9780078021510. The full step-by-step solution to problem: 25.31 from chapter: 25 was answered by , our top Chemistry solution expert on 09/09/17, 04:35AM. Since the solution to 25.31 from 25 chapter was answered, more than 253 students have viewed the full step-by-step answer. This full solution covers the following key subjects: . This expansive textbook survival guide covers 25 chapters, and 3241 solutions. This textbook survival guide was created for the textbook: Chemistry, edition: 12.

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Solution: When fruits such as apples and pears are cut, the