
CHEMISTRY (LL) W/CNCT >BI<
13th Edition
ISBN: 9781260572384
Author: Chang
Publisher: MCG
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Textbook Question
Chapter 13, Problem 13.64QP
The concentrations of enzymes in cells are usually quite small. What is the biological significance of this fact?
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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 13 Solutions
CHEMISTRY (LL) W/CNCT >BI<
Ch. 13.1 - Write the rate expressions for the following...Ch. 13.1 - Consider the reaction 4PH3(g)P4(g)+6H2(g) Suppose...Ch. 13.1 - Write a balanced equation for a gas-phase reaction...Ch. 13.1 - Write the rate expression for the following...Ch. 13.1 - For the same reaction, 2A+BC+2D what is the rate...Ch. 13.2 - The reaction of peroxydisulfate ion (S2O82) with...Ch. 13.2 - For the reaction A + 2B C + 2D, use the following...Ch. 13.2 - The relative rates of the reaction 2A + B ...Ch. 13.3 - The reaction 2A B is first order in A with a rate...Ch. 13.3 - Ethyl iodide (C2H5I) decomposes at a certain...
Ch. 13.3 - Calculate the half-life of the decomposition of...Ch. 13.3 - The reaction 2A B is second order with a rate...Ch. 13.3 - Consider the first-order reaction A B in which A...Ch. 13.3 - Consider the reaction A products. The half-life...Ch. 13.3 - Consider the first-order reaction A products. The...Ch. 13.3 - What is the initial concentration of a reactant in...Ch. 13.4 - The second-order rate constant for the...Ch. 13.4 - The first-order rate constant for the reaction of...Ch. 13.4 - What is the activation energy of a particular...Ch. 13.4 - Prob. 2RCFCh. 13.5 - The reaction between NO2 and CO to produce NO and...Ch. 13.5 - The rate law for the reaction H2 + 2IBr I2 + 2HBr...Ch. 13.5 - For the reaction between NO and O2, the following...Ch. 13.6 - Which of the following is false regarding...Ch. 13 - What is meant by the rate of a chemical reaction?...Ch. 13 - Distinguish between average rate and instantaneous...Ch. 13 - Prob. 13.3QPCh. 13 - Can you suggest two reactions that are very slow...Ch. 13 - Write the reaction rate expressions for the...Ch. 13 - Write the reaction rate expressions for the...Ch. 13 - Consider the reaction 2NO(g)+O2(g)2NO2(g) Suppose...Ch. 13 - Consider the reaction N2(g)+3H2(g)2NH3(g) Suppose...Ch. 13 - Explain what is meant by the rate law of a...Ch. 13 - What are the units for the rate constants of...Ch. 13 - Consider the zero-order reaction: A product. (a)...Ch. 13 - On which of the following properties does the rate...Ch. 13 - The rate law for the reaction...Ch. 13 - Use the data in Table 13.2 to calculate the rate...Ch. 13 - Consider the reaction A+Bproducts From the...Ch. 13 - Consider the reaction X+YZ From the following...Ch. 13 - Determine the overall orders of the reactions to...Ch. 13 - Consider the reaction AB The rate of the reaction...Ch. 13 - Cyclobutane decomposes to ethylene according to...Ch. 13 - The following gas-phase reaction was studied at...Ch. 13 - Prob. 13.21QPCh. 13 - Prob. 13.22QPCh. 13 - Prob. 13.23QPCh. 13 - Prob. 13.24QPCh. 13 - What is the half-life of a compound if 75 percent...Ch. 13 - The thermal decomposition of phosphine (PH3) into...Ch. 13 - The rate constant for the second-order reaction...Ch. 13 - The rate constant for the second-order reaction...Ch. 13 - Consider the first-order reaction A B shown here....Ch. 13 - The reaction X Y shown here follows first-order...Ch. 13 - Define activation energy. What role does...Ch. 13 - Prob. 13.32QPCh. 13 - Prob. 13.33QPCh. 13 - Prob. 13.34QPCh. 13 - Sketch a potential energy versus reaction progress...Ch. 13 - Prob. 13.36QPCh. 13 - The diagram in (a) shows the plots of ln k versus...Ch. 13 - Given the same reactant concentrations, the...Ch. 13 - Some reactions are described as parallel in that...Ch. 13 - Variation of the rate constant with temperature...Ch. 13 - For the reaction NO(g)+O3(g)NO2(g)+O2(g) the...Ch. 13 - The rate constant of a first-order reaction is...Ch. 13 - The rate constants of some reactions double with...Ch. 13 - Prob. 13.44QPCh. 13 - Consider the second-order reaction...Ch. 13 - The rate at which tree crickets chirp is 2.0 102...Ch. 13 - Prob. 13.47QPCh. 13 - What do we mean by the mechanism of a reaction?...Ch. 13 - Classify each of the following elementary steps as...Ch. 13 - Reactions can be classified as unimolecular,...Ch. 13 - Determine the molecularity and write the rate law...Ch. 13 - What is the rate-determining step of a reaction?...Ch. 13 - The equation for the combustion of ethane (C2H6)...Ch. 13 - Specify which of the following species cannot be...Ch. 13 - The rate law for the reaction...Ch. 13 - For the reaction X2 + Y + Z XY + XZ it is found...Ch. 13 - Prob. 13.57QPCh. 13 - The rate law for the reaction...Ch. 13 - How does a catalyst increase the rate of a...Ch. 13 - What are the characteristics of a catalyst?Ch. 13 - A certain reaction is known to proceed slowly at...Ch. 13 - Distinguish between homogeneous catalysis and...Ch. 13 - Prob. 13.63QPCh. 13 - The concentrations of enzymes in cells are usually...Ch. 13 - The diagram shown here represents a two-step...Ch. 13 - Consider the following mechanism for the...Ch. 13 - The following diagrams represent the progress of...Ch. 13 - Prob. 13.68QPCh. 13 - Prob. 13.69QPCh. 13 - List four factors that influence the rate of a...Ch. 13 - Prob. 13.71QPCh. 13 - Prob. 13.72QPCh. 13 - Prob. 13.73QPCh. 13 - The following data were collected for the reaction...Ch. 13 - Prob. 13.75QPCh. 13 - The rate of the reaction...Ch. 13 - Which of the following equations best describes...Ch. 13 - Prob. 13.78QPCh. 13 - The bromination of acetone is acid-catalyzed:...Ch. 13 - The decomposition of N2O to N2 and O2 is a...Ch. 13 - The reaction S2O82+2I2SO42+I2 proceeds slowly in...Ch. 13 - Prob. 13.82QPCh. 13 - The integrated rate law for the zero-order...Ch. 13 - Prob. 13.84QPCh. 13 - Prob. 13.85QPCh. 13 - The diagrams here represent the reaction A + B C...Ch. 13 - Prob. 13.87QPCh. 13 - The rate law for the reaction 2NO2 (g) N2O4(g) is...Ch. 13 - Prob. 13.89QPCh. 13 - Prob. 13.90QPCh. 13 - Briefly comment on the effect of a catalyst on...Ch. 13 - When 6 g of granulated Zn is added to a solution...Ch. 13 - Prob. 13.93QPCh. 13 - A certain first-order reaction is 35.5 percent...Ch. 13 - The decomposition of dinitrogen pentoxide has been...Ch. 13 - The thermal decomposition of N2O5 obeys...Ch. 13 - Prob. 13.97QPCh. 13 - Prob. 13.99QPCh. 13 - Prob. 13.100QPCh. 13 - Prob. 13.101QPCh. 13 - Chlorine oxide (ClO), which plays an important...Ch. 13 - Prob. 13.103QPCh. 13 - Prob. 13.104QPCh. 13 - Prob. 13.105QPCh. 13 - Prob. 13.106QPCh. 13 - Prob. 13.107QPCh. 13 - Prob. 13.108QPCh. 13 - Prob. 13.109QPCh. 13 - Thallium(I) is oxidized by cerium(IV) as follows:...Ch. 13 - Prob. 13.111QPCh. 13 - Prob. 13.112QPCh. 13 - Prob. 13.113QPCh. 13 - Prob. 13.114QPCh. 13 - Strontium-90, a radioactive isotope, is a major...Ch. 13 - Prob. 13.117QPCh. 13 - Consider the following potential energy profile...Ch. 13 - Prob. 13.119QPCh. 13 - Prob. 13.120QPCh. 13 - Prob. 13.121QPCh. 13 - Prob. 13.122QPCh. 13 - Prob. 13.123QPCh. 13 - Prob. 13.124QPCh. 13 - Polyethylene is used in many items, including...Ch. 13 - Prob. 13.126QPCh. 13 - Prob. 13.127QPCh. 13 - Prob. 13.128QPCh. 13 - Prob. 13.129QPCh. 13 - Prob. 13.130QPCh. 13 - Prob. 13.131QPCh. 13 - A gas mixture containing CH3 fragments, C2H6...Ch. 13 - Prob. 13.133QPCh. 13 - The activation energy (Ea) for the reaction...Ch. 13 - The rate constants for the first-order...Ch. 13 - Prob. 13.136QPCh. 13 - An instructor performed a lecture demonstration of...Ch. 13 - Prob. 13.138QPCh. 13 - Is the rate constant (k) of a reaction more...Ch. 13 - Prob. 13.140QPCh. 13 - Prob. 13.141QPCh. 13 - Prob. 13.142QP
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