GENERAL,ORGANIC,+BIOCHEMISTRY
10th Edition
ISBN: 9781260148954
Author: Denniston
Publisher: RENT MCG
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Chapter 7, Problem 7.56QP
Interpretation Introduction
Interpretation:
Biological importance of lactase enzyme has to be described.
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Calculating standard reaction free energy from standard reduction...
Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free energy AG° for the following redox reaction.
Be sure your answer has the correct number of significant digits.
3+
H2(g)+2OH¯ (aq) + 2Fe³+ (aq) → 2H₂O (1)+2Fe²+ (aq)
0
kJ
x10
Х
?
olo
18
Ar
Calculating the pH of a weak base titrated with a strong acid
An analytical chemist is titrating 184.2 mL of a 0.7800M solution of dimethylamine ((CH3)
NH with a 0.3000M solution of HClO4. The pK₁ of
dimethylamine is 3.27. Calculate the pH of the base solution after the chemist has added 424.1 mL of the HClO solution to it.
2
4
Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of HClO 4 solution added.
Round your answer to 2 decimal places.
pH = ☐
☑
?
000
18
Ar
1
B
Using the Nernst equation to calculate nonstandard cell voltage
A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction:
MnO2 (s)+4H* (aq)+2Cr²+ (aq) → Mn²+ (aq)+2H₂O (1)+2Cr³+ (aq)
+
2+
2+
3+
Suppose the cell is prepared with 7.44 M H* and 0.485 M Cr²+ in one half-cell and 7.92 M Mn² and 3.73 M Cr³+ in the other.
Calculate the cell voltage under these conditions. Round your answer to 3 significant digits.
☐
x10
μ
Х
5
?
000
日。
Chapter 7 Solutions
GENERAL,ORGANIC,+BIOCHEMISTRY
Ch. 7.1 - Prob. 7.1PPCh. 7.1 - Are the following processes exothermic or...Ch. 7.1 - Prob. 7.2QCh. 7.1 - Prob. 7.3QCh. 7.1 - Prob. 7.4QCh. 7.1 - Prob. 7.2PPCh. 7.1 - Predict whether a reaction with positive ΔH and...Ch. 7.1 - Prob. 7.6QCh. 7.2 - Prob. 7.3PPCh. 7.2 - Prob. 7.4PP
Ch. 7.2 - Prob. 7.7QCh. 7.2 - Prob. 7.8QCh. 7.2 - Prob. 7.5PPCh. 7.3 - Prob. 7.9QCh. 7.3 - Prob. 7.10QCh. 7.3 - Prob. 7.11QCh. 7.3 - Prob. 7.12QCh. 7.3 - Prob. 7.6PPCh. 7.4 - Prob. 7.13QCh. 7.4 - Prob. 7.14QCh. 7.4 - Prob. 7.15QCh. 7.4 - Prob. 7.16QCh. 7.4 - Prob. 7.7PPCh. 7.4 - Prob. 7.8PPCh. 7.4 - Prob. 7.17QCh. 7.4 - Prob. 7.18QCh. 7.4 - Prob. 7.9PPCh. 7.4 - Prob. 7.10PPCh. 7.4 - Prob. 7.11PPCh. 7 - Prob. 7.19QPCh. 7 - State the second law of thermodynamics.
Ch. 7 - Describe what is meant by an exothermic reaction.
Ch. 7 - Describe what is meant by an endothermic...Ch. 7 - Prob. 7.23QPCh. 7 - Prob. 7.24QPCh. 7 - Explain what is meant by the term free energy....Ch. 7 - Prob. 7.26QPCh. 7 - Prob. 7.27QPCh. 7 - Prob. 7.28QPCh. 7 - Predict whether each of the following processes...Ch. 7 - Predict whether each of the following processes...Ch. 7 - Prob. 7.31QPCh. 7 - Energy is required to break chemical bonds during...Ch. 7 - Prob. 7.33QPCh. 7 - Prob. 7.34QPCh. 7 - Prob. 7.35QPCh. 7 - Prob. 7.36QPCh. 7 - Prob. 7.37QPCh. 7 - Prob. 7.38QPCh. 7 - What are the energy units most commonly employed...Ch. 7 - What energy unit is commonly employed in nutrition...Ch. 7 - Prob. 7.41QPCh. 7 - Prob. 7.42QPCh. 7 - A 5.00-g sample of octane is burned in a bomb...Ch. 7 - Prob. 7.44QPCh. 7 - A 30-g sample of chips is burned in a bomb...Ch. 7 - Prob. 7.46QPCh. 7 - Prob. 7.47QPCh. 7 - Prob. 7.48QPCh. 7 - Prob. 7.49QPCh. 7 - Prob. 7.50QPCh. 7 - Prob. 7.51QPCh. 7 - Prob. 7.52QPCh. 7 - Prob. 7.53QPCh. 7 - Prob. 7.54QPCh. 7 - Prob. 7.55QPCh. 7 - Lactase is an enzyme featured in Chapter 16,...Ch. 7 - Prob. 7.57QPCh. 7 - Prob. 7.58QPCh. 7 - Prob. 7.59QPCh. 7 - Prob. 7.60QPCh. 7 - Prob. 7.61QPCh. 7 - Prob. 7.62QPCh. 7 - Prob. 7.63QPCh. 7 - Prob. 7.64QPCh. 7 - For the equilibrium
the rate law is:
at 23°C, k...Ch. 7 - Prob. 7.66QPCh. 7 - Prob. 7.67QPCh. 7 - Prob. 7.68QPCh. 7 - Prob. 7.69QPCh. 7 - Prob. 7.70QPCh. 7 - Prob. 7.71QPCh. 7 - Prob. 7.72QPCh. 7 - Prob. 7.73QPCh. 7 - Label each of the following statements as true or...Ch. 7 - Prob. 7.75QPCh. 7 - Prob. 7.76QPCh. 7 - Prob. 7.77QPCh. 7 - Prob. 7.78QPCh. 7 - Prob. 7.79QPCh. 7 - Prob. 7.80QPCh. 7 - Prob. 7.81QPCh. 7 - Prob. 7.82QPCh. 7 - Prob. 7.83QPCh. 7 - Prob. 7.84QPCh. 7 - Prob. 7.85QPCh. 7 - Prob. 7.86QPCh. 7 - Prob. 7.87QPCh. 7 - Prob. 7.88QPCh. 7 - Prob. 7.89QPCh. 7 - Prob. 7.90QPCh. 7 - Prob. 7.91QPCh. 7 - Prob. 7.92QPCh. 7 - Prob. 7.93QPCh. 7 - Prob. 7.94QPCh. 7 - Prob. 7.95QPCh. 7 - Prob. 7.96QPCh. 7 - Prob. 7.97QPCh. 7 - Prob. 7.98QPCh. 7 - Prob. 7.99QPCh. 7 - Prob. 7.100QPCh. 7 - Prob. 7.101QPCh. 7 - Prob. 7.102QPCh. 7 - Prob. 7.103QPCh. 7 - Prob. 7.104QPCh. 7 - Prob. 7.105QPCh. 7 - Prob. 7.106QPCh. 7 - Prob. 1MCPCh. 7 - Prob. 2MCPCh. 7 - Prob. 3MCPCh. 7 - Prob. 4MCPCh. 7 - Prob. 7MCPCh. 7 - Prob. 9MCPCh. 7 - Prob. 10MCP
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