Chemistry For Today: General, Organic, And Biochemistry, Loose-leaf Version
9th Edition
ISBN: 9781305968707
Author: Spencer L. Seager
Publisher: Brooks Cole
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Chapter 25, Problem 25.35E
Interpretation Introduction
Interpretation:
The buffer system in the urine that keeps the urine
Concept introduction:
Kidneys can excrete varying amounts of acid and base. Like the lungs, kidneys play important role in
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A small artisanal cheesemaker is testing the acidity of their milk
before it coagulates. During fermentation, bacteria produce lactic
acid (K₁ = 1.4 x 104), a weak acid that helps to curdle the milk and
develop flavor. The cheesemaker has measured that the developing
mixture contains lactic acid at an initial concentration of 0.025 M.
Your task is to calculate the pH of this mixture and determine whether
it meets the required acidity for proper cheese development. To
achieve the best flavor, texture and reduce/control microbial growth,
the pH range needs to be between pH 4.6 and 5.0.
Assumptions:
Lactic acid is a monoprotic acid
H
H
:0:0:
H-C-C
H
:0:
O-H
Figure 1: Lewis Structure for Lactic Acid
For simplicity, you can use the generic formula HA to represent the acid
You can assume lactic acid dissociation is in water as milk is mostly water.
Temperature is 25°C
1. Write the K, expression for the dissociation of lactic acid in the space provided. Do not forget to
include state symbols.…
Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product
structures, draw the curved electron-pushing arrows for the following reaction or mechanistic step(s).
Be sure to account for all bond-breaking and bond-making steps.
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H
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:0:
:0:
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3:48 PM Fri Apr 4
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Problem 4 of 10
Submit
Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product
structures, draw the curved electron-pushing arrows for the following reaction or mechanistic step(s).
Be sure to account for all bond-breaking and bond-making steps.
Mg.
:0:
Select to Add Arrows
:0:
:Br:
Mg
:0:
:0:
Select to Add Arrows
Mg.
Br:
:0:
0:0-
Br
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H
0:0
Select to Add Arrows
Select to Add Arrows
neutralizing workup
H
CH3
Chapter 25 Solutions
Chemistry For Today: General, Organic, And Biochemistry, Loose-leaf Version
Ch. 25 - Prob. 25.1ECh. 25 - Prob. 25.2ECh. 25 - Prob. 25.3ECh. 25 - Prob. 25.4ECh. 25 - Prob. 25.5ECh. 25 - What is the principal anion found in the...Ch. 25 - Prob. 25.7ECh. 25 - Prob. 25.8ECh. 25 - Prob. 25.9ECh. 25 - Prob. 25.10E
Ch. 25 - What term is given to the reversible flow of...Ch. 25 - Prob. 25.12ECh. 25 - Prob. 25.13ECh. 25 - Prob. 25.14ECh. 25 - Prob. 25.15ECh. 25 - Prob. 25.16ECh. 25 - Prob. 25.17ECh. 25 - Prob. 25.18ECh. 25 - Prob. 25.19ECh. 25 - Prob. 25.20ECh. 25 - Prob. 25.21ECh. 25 - Prob. 25.22ECh. 25 - Prob. 25.23ECh. 25 - Prob. 25.24ECh. 25 - Prob. 25.25ECh. 25 - Prob. 25.26ECh. 25 - Prob. 25.27ECh. 25 - Prob. 25.28ECh. 25 - Hemoglobin (HHb) is a weak acid that forms the Hb...Ch. 25 - Prob. 25.30ECh. 25 - Prob. 25.31ECh. 25 - Prob. 25.32ECh. 25 - Prob. 25.33ECh. 25 - Prob. 25.34ECh. 25 - Prob. 25.35ECh. 25 - What ionic shift maintains electron charge balance...Ch. 25 - Prob. 25.37ECh. 25 - Prob. 25.38ECh. 25 - Prob. 25.39ECh. 25 - Prob. 25.40ECh. 25 - Prob. 25.41ECh. 25 - Prob. 25.42ECh. 25 - Prob. 25.43ECh. 25 - Prob. 25.44ECh. 25 - Prob. 25.45ECh. 25 - Prob. 25.46ECh. 25 - Prob. 25.47ECh. 25 - Prob. 25.48ECh. 25 - Prob. 25.49ECh. 25 - Prob. 25.50ECh. 25 - Prob. 25.51ECh. 25 - Prob. 25.52ECh. 25 - Prob. 25.53ECh. 25 - Explain how uncontrolled diarrhea can lead to...Ch. 25 - Prob. 25.55ECh. 25 - Prob. 25.56ECh. 25 - Prob. 25.57ECh. 25 - Prob. 25.58ECh. 25 - Prob. 25.59ECh. 25 - The liquid portion of the blood is called: a....Ch. 25 - Prob. 25.61ECh. 25 - Prob. 25.62ECh. 25 - The hormone most responsible for the renal...Ch. 25 - Prob. 25.64ECh. 25 - Prob. 25.65E
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