Bundle: Chemistry for Today: General, Organic, and Biochemistry, Loose-Leaf Version, 9th + LMS Integrated OWLv2, 4 terms (24 months) Printed Access Card
9th Edition
ISBN: 9781337598255
Author: Spencer L. Seager
Publisher: Cengage Learning
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Chapter 23, Problem 23.83E
Interpretation Introduction
Interpretation:
The options that correspond to the true statements for the citric acid cycle are to be stated.
Concept introduction:
The citric acid cycle is known as the Krebs cycle which involves the conversion of fats and carbohydrates into acetyl-CoA. The acetyl-CoA helps to convert large molecules of proteins, lipids, and carbohydrates into small units in humans.
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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
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Chapter 23 Solutions
Bundle: Chemistry for Today: General, Organic, and Biochemistry, Loose-Leaf Version, 9th + LMS Integrated OWLv2, 4 terms (24 months) Printed Access Card
Ch. 23 - Why is glucose considered the pivotal compound in...Ch. 23 - Prob. 23.2ECh. 23 - Prob. 23.3ECh. 23 - Describe what is meant by the terms blood sugar...Ch. 23 - What range of concentrations for glucose in blood...Ch. 23 - Prob. 23.6ECh. 23 - Prob. 23.7ECh. 23 - Prob. 23.8ECh. 23 - Prob. 23.9ECh. 23 - Prob. 23.10E
Ch. 23 - Prob. 23.11ECh. 23 - Prob. 23.12ECh. 23 - Prob. 23.13ECh. 23 - Prob. 23.14ECh. 23 - Prob. 23.15ECh. 23 - Prob. 23.16ECh. 23 - Prob. 23.17ECh. 23 - Prob. 23.18ECh. 23 - Prob. 23.19ECh. 23 - Prob. 23.20ECh. 23 - Prob. 23.21ECh. 23 - Prob. 23.22ECh. 23 - Prob. 23.23ECh. 23 - Prob. 23.24ECh. 23 - Prob. 23.25ECh. 23 - Prob. 23.26ECh. 23 - Prob. 23.27ECh. 23 - Prob. 23.28ECh. 23 - Prob. 23.29ECh. 23 - Prob. 23.30ECh. 23 - Prob. 23.31ECh. 23 - Prob. 23.32ECh. 23 - Prob. 23.33ECh. 23 - Prob. 23.34ECh. 23 - Prob. 23.35ECh. 23 - Prob. 23.36ECh. 23 - Prob. 23.37ECh. 23 - Prob. 23.38ECh. 23 - Prob. 23.39ECh. 23 - Prob. 23.40ECh. 23 - Prob. 23.41ECh. 23 - Prob. 23.42ECh. 23 - Prob. 23.43ECh. 23 - Prob. 23.44ECh. 23 - Prob. 23.45ECh. 23 - Prob. 23.46ECh. 23 - Prob. 23.47ECh. 23 - Prob. 23.48ECh. 23 - Prob. 23.49ECh. 23 - Prob. 23.50ECh. 23 - Prob. 23.51ECh. 23 - Prob. 23.52ECh. 23 - Prob. 23.53ECh. 23 - Prob. 23.54ECh. 23 - Prob. 23.55ECh. 23 - Prob. 23.56ECh. 23 - Prob. 23.57ECh. 23 - Prob. 23.58ECh. 23 - Prob. 23.59ECh. 23 - Prob. 23.60ECh. 23 - Prob. 23.61ECh. 23 - Prob. 23.62ECh. 23 - Prob. 23.63ECh. 23 - Prob. 23.64ECh. 23 - Prob. 23.65ECh. 23 - Lactate dehydrogenase catalyzes the following...Ch. 23 - Prob. 23.67ECh. 23 - Prob. 23.68ECh. 23 - Prob. 23.69ECh. 23 - Prob. 23.70ECh. 23 - A friend started to make wine by adding yeast to...Ch. 23 - Prob. 23.72ECh. 23 - Explain why monitoring blood lactate levels might...Ch. 23 - Prob. 23.74ECh. 23 - Prob. 23.75ECh. 23 - Prob. 23.76ECh. 23 - Prob. 23.77ECh. 23 - Prob. 23.78ECh. 23 - Prob. 23.79ECh. 23 - Prob. 23.80ECh. 23 - Prob. 23.81ECh. 23 - Prob. 23.82ECh. 23 - Prob. 23.83ECh. 23 - Prob. 23.84ECh. 23 - Prob. 23.85ECh. 23 - Prob. 23.86ECh. 23 - Prob. 23.87ECh. 23 - Prob. 23.88ECh. 23 - Prob. 23.89ECh. 23 - Prob. 23.90E
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