Organic Chemistry
7th Edition
ISBN: 9780321803221
Author: Paula Y. Bruice
Publisher: Prentice Hall
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Textbook Question
Chapter 5, Problem 54P
a. Which of the following reactions has the larger ∆S° value?
h. Is the ∆S° value positive or negative?
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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 NH3 is a weak base.
acids: ☐
1.8 mol of HCl is added to
1.0 L of a 1.0M NH3
bases: ☐
solution.
other: ☐
0.18 mol of HNO3 is added
to 1.0 L of a solution that is
1.4M in both NH3 and
NH₁Br.
acids:
bases: ☐
other: ☐
0,0,...
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000
18
Ar
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1
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
Ar
Chapter 5 Solutions
Organic Chemistry
Ch. 5.1 - Determine the degree of unsaturation and then draw...Ch. 5.1 - Prob. 4PCh. 5.2 - Prob. 5PCh. 5.2 - Draw the structure for each of the following: a....Ch. 5.2 - What is each compounds systematic name?Ch. 5.4 - Assign relative priorities to each set of...Ch. 5.4 - Tamoxifen slows the growth of some breast tumors...Ch. 5.4 - Draw and label the E and Z isomers for each of the...Ch. 5.4 - Prob. 12PCh. 5.4 - Name each of the following:
Ch. 5.4 - Prob. 14PCh. 5.4 - Prob. 15PCh. 5.6 - Prob. 16PCh. 5.6 - Prob. 17PCh. 5.6 - Prob. 18PCh. 5.6 - Prob. 20PCh. 5.7 - a. Which of the monosubstituted cyclohexanes in...Ch. 5.7 - a. for which reaction in each set will S be more...Ch. 5.7 - a. For a reaction with H = 12 kcal/ mol and S =...Ch. 5.7 - Prob. 25PCh. 5.7 - Prob. 26PCh. 5.7 - Prob. 27PCh. 5.9 - The rate constant for a reaction can be increased...Ch. 5.9 - Prob. 30PCh. 5.9 - a. Which reaction has a greater equilibrium...Ch. 5.10 - Draw a reaction coordinate diagram for a two-step...Ch. 5.10 - a. Which step in the reaction coordinate diagram...Ch. 5.10 - Draw a reaction coordinate diagram for the...Ch. 5.11 - Prob. 35PCh. 5 - What is each compounds systematic name?Ch. 5 - Draw the structure of a hydrocarbon that has six...Ch. 5 - Draw the condensed structure for each of the...Ch. 5 - Prob. 39PCh. 5 - Prob. 40PCh. 5 - Name the following:Ch. 5 - Prob. 42PCh. 5 - 43. Draw the skeletal structure of...Ch. 5 - In a reaction in which reactant A is in...Ch. 5 - Which bond is stronger? Briefly explain why.Ch. 5 - Prob. 46PCh. 5 - Prob. 47PCh. 5 - Assign relative priorities to each set of...Ch. 5 - Prob. 49PCh. 5 - By following the curved red arrows, draw the...Ch. 5 - Prob. 51PCh. 5 - Draw structures for the following: a....Ch. 5 - Prob. 53PCh. 5 - a. Which of the following reactions has the larger...Ch. 5 - a. What is the equilibrium constant for a reaction...Ch. 5 - Prob. 56PCh. 5 - Prob. 57PCh. 5 - Given that the free energy of the twist-boat...Ch. 5 - Prob. 59PCh. 5 - Prob. 1PCh. 5 - Prob. 2PCh. 5 - Prob. 3PCh. 5 - Prob. 4PCh. 5 - Prob. 5PCh. 5 - Prob. 6PCh. 5 - Draw curved arrows to show the movement of the...Ch. 5 - Prob. 8PCh. 5 - Prob. 9PCh. 5 - Prob. 10P
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