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Visualizing ConceptsConsider the following graph of the

Chemistry: The Central Science | 13th Edition | ISBN: 9780321910417 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus ISBN: 9780321910417 77

Solution for problem 2E Chapter 14

Chemistry: The Central Science | 13th Edition

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Chemistry: The Central Science | 13th Edition | ISBN: 9780321910417 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus

Chemistry: The Central Science | 13th Edition

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Problem 2E

Visualizing Concepts

Consider the following graph of the concentration of a substance X over time. Is each of the following statements true or false? (a) X is a product of the reaction, (b) The rate of the reaction remains the same as time progresses, (c) The average rate between points 1 and 2 is greater than the average rate between points 1 and 3. (d) As time progresses, the curve will eventually turn downward toward the x-axis. [Section]

Step-by-Step Solution:
Step 1 of 3

Buffers • Def: is a solution of a weak acid (HA) and its conjugate base (A-) o Equal amount of both solutes • Adding acid o Reacts with the conjugate base § CH3COO- + H3O+ > CH3COOH + H2O • Adding base o Reacts with the weak acid § CH3COOH + OH- > CH3COO- + H2O pH of a Buffer • weak acid + H2O <> H3O+ + conjugate base o Ka = [H3O+][conjugate base]/[weak acid] • -log(Ka) = -log([H3O+]) - log([conjugate base]/[weak acid]) o pKa = pH – log([base]/[acid]) • increased base > increased pH • scenario with increase of OH- ions o initial: [Ha] = [A-] o after OH- is added: [HA] < [A-] • scenario with increase o

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Chapter 14, Problem 2E is Solved
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Textbook: Chemistry: The Central Science
Edition: 13
Author: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus
ISBN: 9780321910417

Since the solution to 2E from 14 chapter was answered, more than 408 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Chemistry: The Central Science, edition: 13. Chemistry: The Central Science was written by and is associated to the ISBN: 9780321910417. The answer to “Visualizing ConceptsConsider the following graph of the concentration of a substance X over time. Is each of the following statements true or false? (a) X is a product of the reaction, (b) The rate of the reaction remains the same as time progresses, (c) The average rate between points 1 and 2 is greater than the average rate between points 1 and 3. (d) As time progresses, the curve will eventually turn downward toward the x-axis. [Section]” is broken down into a number of easy to follow steps, and 77 words. This full solution covers the following key subjects: rate, average, reaction, Progresses, points. This expansive textbook survival guide covers 305 chapters, and 6352 solutions. The full step-by-step solution to problem: 2E from chapter: 14 was answered by , our top Chemistry solution expert on 09/04/17, 09:30PM.

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Visualizing ConceptsConsider the following graph of the