Chemistry Atoms First2e
2nd Edition
ISBN: 9781947172647
Author: OpenStax
Publisher: OpenStax College
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Textbook Question
Chapter 9, Problem 95E
Using the standard enthalpy of formation data in Appendix G. calculate the bond energy of the carbon-sulfur double bond in CS2.
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10.
Stereochemistry. Assign R/S stereochemistry for the chiral center indicated on the
following compound. In order to recieve full credit, you MUST SHOW YOUR WORK!
H₂N
CI
OH
CI
カー
11. () Stereochemistry. Draw all possible stereoisomers of the following compound. Assign
R/S configurations for all stereoisomers and indicate the relationship between each as
enantiomer, diastereomer, or meso.
NH2
H
HNH,
-18
b)
8.
Indicate whether the following carbocation rearrangements are likely to occur
Please explain your rational using 10 words or less
not likely to occur
• The double bond is still in the
Same position
+
Likely
to oc
occur
WHY?
-3
H3C
Brave
Chair Conformers. Draw the chair conformer of the following substituted
cyclohexane. Peform a RING FLIP and indicate the most stable
conformation and briefly explain why using 20 words or less.
CI
2
-cobs ??
MUST INDICATE H -2
-2
Br
EQ
Cl
OR
AT
Br
H&
most stable
WHY?
- 4
CH
12
Conformational Analysis. Draw all 6 conformers (one above each letter) of the
compound below looking down the indicated bond. Write the letter of the
conformer with the HIGHEST and LOWEST in energies on the lines provided.
NOTE: Conformer A MUST be the specific conformer of the structure as drawn below
-4 NOT
HOH
OH
3
Conformer A:
Br
OH
A
Samo
Br H
04
Br
H
H3
CH₂
H
anti
stagere
Br CH
clipsed
H
Brott
H
IV
H
MISSING 2
-2
B
C
D
E
F
X
6
Conformer with HIGHEST ENERGY:
13. (1
structure
LOWEST ENERGY:
Nomenclature. a) Give the systematic (IUPAC) name structure. b) Draw the
corresponding to this name. HINT: Do not forget to indicate stereochemistry
when applicable.
a)
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2
"Br
{t༐B,gt)-bemn€-nehpརི་ཚ༐lnoa
Parent name (noname)
4 Bromo
Sub = 2-methylethyl-4 Bromo nonane
b) (3R,4S)-3-chloro-4-ethyl-2,7-dimethyloctane
# -2
-2
Chapter 9 Solutions
Chemistry Atoms First2e
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What mass of carbon monoxide must be burned to...Ch. 9 - When 2.50 g of methane burns in oxygen, 125 kJ of...Ch. 9 - How much heat is produced when loo mL of 0.250 M...Ch. 9 - A sample of 0.562 g of carbon is burned in oxygen...Ch. 9 - Before the introduction of chlorofluorocarbons,...Ch. 9 - Homes may be heated by pumping hot water through...Ch. 9 - Which of the enthalpies of combustion in Table 9.2...Ch. 9 - Does the standard enthalpy of formation of H2O(g)...Ch. 9 - Joseph Priestly prepared oxygen in 1774 by heating...Ch. 9 - How many kilojoules of heat will be released when...Ch. 9 - How many kilojoules of heat will be released when...Ch. 9 - The following sequence of reactions occurs in the...Ch. 9 - Both graphite and diamond burn....Ch. 9 - From the molar heats of formation in Appendix G,...Ch. 9 - Which produces more heat?...Ch. 9 - Calculate H for the process Sb(s)+52Cl2(g)SbCl5(s)...Ch. 9 - Calculate H for the process...Ch. 9 - Calculate H for the process Hg2Cl2(s)2Hg(l)+Cl2(g)...Ch. 9 - 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