Biochemistry 410/411 Textbook - 5th Edition - Custom Texas A&M University
5th Edition
ISBN: 9781119302940
Author: Voet
Publisher: WILEY C
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Chapter 1, Problem 20CQ
Summary Introduction
To determine: The temperature above which the reaction becomes spontaneous.
Introduction: A spontaneous reaction may include increase or decrease in enthalpy and entropy. Entropy is based on the concept that in an isolated system, everything in nature tends to move from order to disorder. It is a state of randomness in matter. Enthalpy is the internal energy in a system. The spontaneity of a reaction is assessed by free energy changes.
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1
2
Br
OCH₁₂
CF3
3
4
2. Which one shows the correct order of reactivity of these four compounds in
electrophilic aromatic substitution reactions, with more reactive > least reactive ?
A) 1>2>3>4
B) 13>4> 2
C) 3 > 2 > 1 > 4 D) 4 > 3 > 1 > 2 E) 3 >1>2> 4
12. Which of the compounds
below is expected to be the
major product formed by
this reaction sequence?
COOH
Br
A
C₂H5CI
H₂CrO4
Br₂
FeBr3
AICI 3
.COOH
.COOH
COOH
CH₂OH
B
Br
Br
C
D
Br
E
Br
11. Which of these chlorobenzenes does not undergo nucleophilic aromatic
substitution upon treatment with NaNH2?
CI
CI
CI
CI
CI
A
B
C
D
E
Chapter 1 Solutions
Biochemistry 410/411 Textbook - 5th Edition - Custom Texas A&M University
Ch. 1 - Prob. 1ECh. 1 - Prob. 2ECh. 1 - Prob. 3ECh. 1 - Prob. 4ECh. 1 - 5. According to molecular sequence data, to which...Ch. 1 - Prob. 6ECh. 1 - Prob. 7ECh. 1 - 8. Can a process occur if the entropy of the...Ch. 1 - Prob. 9ECh. 1 - Prob. 10E
Ch. 1 - 11. For the reaction A ? B at 298 K, the change in...Ch. 1 - 12. When the reaction A + B ? C is at equilibrium,...Ch. 1 - Prob. 13ECh. 1 - Prob. 14ECh. 1 - Prob. 15ECh. 1 - 16. Why is the cell membrane not an absolute...Ch. 1 - 17. Most of the volume of T. namibiensis cells...Ch. 1 - 18. A spheroidal bacterium with a diameter of 1 ?m...Ch. 1 - 19. How many glucose molecules does the cell in...Ch. 1 - Prob. 20CQCh. 1 - Prob. 21CQCh. 1 - Prob. 22CQCh. 1 - 23. Two biochemical reactions have the same Keq =...Ch. 1 - MORE TO EXPLORE Look up methanogen and...
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