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Complete Set of Problems (pdf)
Complete Set of Answer Keys (pdf)
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Exam Practice Problems for
CEM251
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In Textbook:
End of Chapter (EOC) Problems:
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Walker has rewritten these EOC problems similar to how you see them on
exams.
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PowerPoint Slide Packs
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Chapter 1
20, 22-24, 26-29(agh), 31, 32, 34, 35(ab),
37*(see instructions below), 38ace, 39bdf, 40**(see
instructions below), 48, 52, 56-57
*(Draw the Lewis structure for each molecule, then circle the
most polar bond)
**(Draw the Lewis structure, then predict the geometry of the
molecule at the Nitrogen)
HONOR
Student practice questions: 58, 60, 61
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PDF
(Chapter 1) (Key)
Supplemental Problems
Problems
(Key)
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Chapter 1
part
1
part 2
Functional Groups
(Table 1)
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CHAPTER 4
9acfg, 10ad,
12cd, 15-17, 22, 26ac, 29, 30, 31(for 31 don't calculate Keq)
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PDF
(Chapter 4) (Key)
Supplemental Problems
Problems
(Key)
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Chapter
4
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CHAPTER 2
16ace, 17-20adf, 21-23, 26, 27, 28, 29, 30, 34abc, 35, 39, 44,
50b
Honors Students: 52, 62, 63, 64, 65
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PDF
(Chapter 2) (Key)
Supplemental Problems
Problems
(Key)
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Chapter
2
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CHAPTER 3
14; 16-18, 20, 21-25, 26abdeg, 27 (place a dot on each chiral
center), 28, 30-31
Honors Students: 34, 35(atropisomerism), 36 (be able to redraw
in 2D with wedges and dashes to help explain your answer)
Honors students: please note that these extra problems are
merely examples of the extended understanding that you need to demonstrate.
These exact problems will not be on the exam for you to simply write a
rehearsed answer.
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PDF
(Chapter 3) (Key)
Supplemental Problems
Problems
(Key)
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Chapter
3
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CHAPTER 5
Alkenes: Bonding, Naming, Rxns
End
of Chapter Problems:
9, 10, 11bc, 12-16, 18-20, 23, 24
Reading Sections 5.1, 5.2A-E,
5.3
Honors
Students:
29-36
Reading Sections: In
addition: 5.2F-H, 5.4
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PDF
(Chapter 5) (Key)
Supplemental Problems
Problems
(Key)
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Chapter
5
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CHAPTER 6
Alkene Rxns
End
of Chapter Problems:
14begh, 15-21, 24, 26, 28a, 30-33, 37, 39, 40, 42,
43a, 44-48
Honors
Students:
35, 36, 41
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PDF
(Chapter 6) (Key)
Supplemental Problems
Problems
(Key)
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Chapter
6
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CHAPTER 7
Alkynes
End
of Chapter Problems:
10 (see handwritten problems), 11, 12, 14, 16, 17,
18 (see problem 7.8) 19cd, 20abcdeghi, 21cdef, 24abc
Honors
Students:
13, 30
Mechanism 7.2, page 310
Mechanism 7.3, page 313
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PDF
(Chapter 7) (Key)
Supplemental Problems
Problems
(Key)
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Chapter
7
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CHAPTER 8
End
of Chapter Problems:
8, 10, 12-14, 16abcd, 17, 18ab, 19, 21abc (for part
'c' simply compare how much larger the negative values of the ΔH°
are), 22abc, 24-27, 29abce, 30abcdeg, 32
Bond Dissociation Energy Table
(kcal mol-1)
C6H5CH2–H (90) C6H5
is 
Br–Br (45)
C6H5CH2–Br (60)
H–Br (90)
H–F (140)
 ,  , CH3CH2–H
(100)
 (115)
 (110)
 (also CH2=CH–CH2–H)
(90)
MCAT
Practice: p 354
Autooxidation: Questions A, B, C, D
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PDF
(Chapter 8) (Key)
Supplemental Problems
Problems
(Key)
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Chapter
8
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CHAPTER 9
End
of Chapter Problems:
11-15, 17,18, 20-23, 25, 28-30, 34, 37-40, 43-45,
47-49, 51abdegh
Honors Practice Questions
31-33, 46
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PDF
(Chapter 9) (Key)
Supplemental Problems
Problems
Key
(Key_correction)
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Chapter
9
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CHAPTERS 12 and
13
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PDF
(Chapters 12 and 13) (Key)
In-class
Practice Problems
Practice
Problems (Slides)
Supplemental Problems
Problems
(Key)
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Chapter 12
and 13.1
and 13.2
Interpret
1H NMR
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CHAPTER 14 (PPT Notes)
End of Chapter
Problems:
To be determined
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Spring
Break Tune Up problems
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CHAPTER 7 (PPT Notes)
Problems (Key:
Full
& Correctn)
End
of Chapter Problems:
8, 10, 11, 17-18, 20-21, 23-25, 29-34
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CHAPTER 9 (PPT Notes)
Problems
(Key)
End
of Chapter Problems:
10, 12-13, 20, 22, 37-38, 47-49, 51, 54, 56 –61
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Quiz Keys
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Dear KOOFERS:
I try to never write an exam that is an exact replica from a previous
semester, so listing old exams will not necessarily benefit the student.
Bonus Quiz
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Keys
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Quiz 6
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Quiz 2 (Blank)
(Key)
Quiz
3 (Defaulted)
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(Key)
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(Key)
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(Key)
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(Key)
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(Key)
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(Key)
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