PKG ORGANIC CHEMISTRY
5th Edition
ISBN: 9781259963667
Author: SMITH
Publisher: MCG
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Chapter 26, Problem 26.15P
Draw the product formed from ring-closing metathesis of each compound.
a.
b. 
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Using reaction free energy to predict equilibrium composition
Consider the following equilibrium:
2NH3 (g) = N2 (g) +3H₂
—N2 (g) AGº = 34. kJ
Now suppose a reaction vessel is filled with 4.19 atm of ammonia (NH3) and 9.94 atm of nitrogen (N2) at 378. °C. Answer the following questions about this
system:
rise
Under these conditions, will the pressure of NH 3 tend to rise or fall?
☐ x10
fall
Х
Is it possible to reverse this tendency by adding H₂?
In other words, if you said the pressure of NH 3 will tend to rise, can that
be changed to a tendency to fall by adding H₂? Similarly, if you said the
pressure of NH3 will tend to fall, can that be changed to a tendency to
rise by adding H₂?
If you said the tendency can be reversed in the second question, calculate
the minimum pressure of H₂ needed to reverse it.
Round your answer to 2 significant digits.
yes
no
atm
00.
18
Ar
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Identifying the major species in weak acid or weak base equilibria
The preparations of two aqueous solutions are described in the table below. For each solution, write the chemical formulas of the major species present at
equilibrium. You can leave out water itself.
Write the chemical formulas of the species that will act as acids in the 'acids' row, the formulas of the species that will act as bases in the 'bases' row, and the
formulas of the species that will act as neither acids nor bases in the 'other' row.
You will find it useful to keep in mind that HF is a weak acid.
2.2 mol of NaOH is added to
1.0 L of a 1.4M HF
solution.
acids:
П
bases:
Х
other: ☐
ப
acids:
0.51 mol of KOH is added to
1.0 L of a solution that is
bases:
1.3M in both HF and NaF.
other: ☐
00.
18
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Using reaction free energy to predict equilibrium composition
Consider the following equilibrium:
N2O4 (g) 2NO2 (g)
AG⁰ = 5.4 kJ
Now suppose a reaction vessel is filled with 1.68 atm of dinitrogen tetroxide (N204) at 148. °C. Answer the following questions about this system:
rise
Under these conditions, will the pressure of N2O4 tend to rise or fall?
x10
fall
Is it possible to reverse this tendency by adding NO2?
In other words, if you said the pressure of N2O4 will tend to rise, can that
be changed to a tendency to fall by adding NO2? Similarly, if you said the
pressure of N2O4 will tend to fall, can that be changed to a tendency to
rise by adding NO2?
If you said the tendency can be reversed in the second question, calculate
the minimum pressure of NO 2 needed to reverse it.
Round your answer to 2 significant digits.
yes
no
0.42 atm
☑
5
0/5
?
مله
Ar
Chapter 26 Solutions
PKG ORGANIC CHEMISTRY
Ch. 26 - Prob. 26.1PCh. 26 - Prob. 26.2PCh. 26 - Prob. 26.3PCh. 26 - Prob. 26.4PCh. 26 - Prob. 26.5PCh. 26 - Prob. 26.6PCh. 26 - Prob. 26.7PCh. 26 - Problem 26.8
What starting materials are needed to...Ch. 26 - Prob. 26.9PCh. 26 - Problem 26.10
What reagents are needed to convert...
Ch. 26 - Problem 26.11
What product is formed when each...Ch. 26 - Prob. 26.12PCh. 26 - Problem 26.13
Draw the products formed when each...Ch. 26 - Problem 26.14
What products are formed when ...Ch. 26 - Problem 26.15
Draw the product formed from...Ch. 26 -
What product is formed by ring-closing metathesis...Ch. 26 - Problem 26.17
What starting material is needed to...Ch. 26 - 26.18 In addition to organic halides, alkyl...Ch. 26 - 26.19 What product is formed by ring-closing...Ch. 26 - 26.20 Draw the products formed in each...Ch. 26 - What organic halide is needed to convert lithium...Ch. 26 - 26.22 How can you convert ethynylcyclohexane to...Ch. 26 - 26.23 What compound is needed to convert styrene...Ch. 26 - 26.24 What steps are needed to convert to octane...Ch. 26 - Prob. 26.25PCh. 26 - Prob. 26.26PCh. 26 - 26.27 Draw the products (including stereoisomers)...Ch. 26 - 26.28 Treatment of cyclohexene with and forms...Ch. 26 - Prob. 26.29PCh. 26 - 26.30 What starting material is needed to prepare...Ch. 26 - Prob. 26.31PCh. 26 - Prob. 26.32PCh. 26 - When certain cycloalkenes are used in metathesis...Ch. 26 - 26.34 Draw the products formed in each reaction.
...Ch. 26 - Prob. 26.35PCh. 26 - Draw a stepwise mechanism for the following...Ch. 26 - Sulfur ylides, like the phosphorus ylides of...Ch. 26 - Although diazomethane is often not a useful...Ch. 26 - Prob. 26.39PCh. 26 - Prob. 26.40PCh. 26 - Prob. 26.41PCh. 26 - Prob. 26.42PCh. 26 - 26.43 Devise a synthesis of each compound using a...Ch. 26 - 26.44 Devise a synthesis of each compound from...Ch. 26 - 26.45 Devise a synthesis of each compound from...Ch. 26 - 26.46 Devise a synthesis of each substituted...Ch. 26 - Biaryls, compounds containing two aromatic rings...Ch. 26 - Prob. 26.48PCh. 26 - 26.49 Draw the product formed from the...Ch. 26 - Prob. 26.50PCh. 26 - 26.51 Devise a synthesis of each of the following...Ch. 26 - Prob. 26.52PCh. 26 - 26.53 The following conversion, carried out in the...Ch. 26 - Prob. 26.54PCh. 26 - 26.55 Dimethyl cyclopropanes can be prepared by...Ch. 26 - Prob. 26.56P
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