Basic Chemistry
6th Edition
ISBN: 9780134878119
Author: Timberlake, Karen C. , William
Publisher: Pearson,
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Textbook Question
Chapter 9.2, Problem 5PP
For the chemical equations in problem 9.3, write the problem setup with the correct mole—mole factor needed to find each of the following:
a. moles of
b. moles of
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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
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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:
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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
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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
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☑
5
0/5
?
مله
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Chapter 9 Solutions
Basic Chemistry
Ch. 9.1 - Calculate the total mass of the reactants and the...Ch. 9.1 - Calculate the total mass of the reactants and the...Ch. 9.2 - Calculate the total mass of the reactants and the...Ch. 9.2 - Write all of the mole-mole factors for each of the...Ch. 9.2 - For the chemical equations in problem 9.3, write...Ch. 9.2 - For the chemical equations in problem 9.4, write...Ch. 9.2 - The chemical reaction of hydrogen with oxygen...Ch. 9.2 - Ammonia is produced by the chemical reaction of...Ch. 9.2 - Carbon disulfide and carbon monoxide are produced...Ch. 9.2 - In the acetylene torch, acetylene gas burns in...
Ch. 9.3 - Sodium reacts with oxygen to produce sodium oxide....Ch. 9.3 - Nitrogen reacts with hydrogen to produce ammonia....Ch. 9.3 - Ammonia and oxygen react to form nitrogen and...Ch. 9.3 - Iron(III) oxide reacts with carbon to give iron...Ch. 9.3 - Prob. 15PPCh. 9.3 - Calcium cyanamide, CaCN2 , reacts with water to...Ch. 9.3 - Prob. 17PPCh. 9.3 - Prob. 18PPCh. 9.4 - A taxi company has 10 taxis. a. On a certain day,...Ch. 9.4 - Prob. 20PPCh. 9.4 - Prob. 21PPCh. 9.4 - Iron and oxygen react to form iron(III) oxide....Ch. 9.4 - For each of the following reactions, 20.0 g of...Ch. 9.4 - For each of the following reactions, 20.0 g of...Ch. 9.4 - For each of the following reactions, calculate the...Ch. 9.4 - For each of the following reactions, calculate the...Ch. 9.5 - Carbon disulfide is produced by the reaction of...Ch. 9.5 - Iron (III) oxide reacts with carbon monoxide to...Ch. 9.5 - Aluminum reacts with oxygen to produce aluminum...Ch. 9.5 - Propane ( C3H8 ) bums in oxygen to produce carbon...Ch. 9.5 - Prob. 31PPCh. 9.5 - When 56.6 g of calcium is reacted with nitrogen...Ch. 9.6 - In an exothermic reaction, is the energy of the...Ch. 9.6 - In an endothermic reaction, is the energy of the...Ch. 9.6 - Prob. 35PPCh. 9.6 - Prob. 36PPCh. 9.6 - Classify each of the following as exothermic or...Ch. 9.6 - Classify each of the following as exothermic or...Ch. 9.6 - Prob. 39PPCh. 9.6 - a. How many kilojoules are released when 75.0 g of...Ch. 9.6 - Prob. 41PPCh. 9.6 - Calculate the energy change for the reaction...Ch. 9.6 - Prob. 43PPCh. 9.6 - Prob. 44PPCh. 9.6 - In one step in the synthesis of the insecticide...Ch. 9.6 - Another widely used insecticide is carbofuran...Ch. 9 - The chapter sections lo review are shown in...Ch. 9 - The chapter sections lo review are shown in...Ch. 9 - The chapter sections lo review are shown in...Ch. 9 - The chapter sections lo review are shown in...Ch. 9 - The chapter sections lo review are shown in...Ch. 9 - The chapter sections lo review are shown in...Ch. 9 - The chapter sections lo review are shown in...Ch. 9 - The chapter sections lo review are shown in...Ch. 9 - Prob. 55APPCh. 9 - Prob. 56APPCh. 9 - Prob. 57APPCh. 9 - Prob. 58APPCh. 9 - Prob. 59APPCh. 9 - Prob. 60APPCh. 9 - Pentane gas ( C5H12 ) reacts with oxygen to...Ch. 9 - Prob. 62APPCh. 9 - Prob. 63APPCh. 9 - Prob. 64APPCh. 9 - Prob. 65APPCh. 9 - Prob. 66APPCh. 9 - Prob. 67APPCh. 9 - Prob. 68APPCh. 9 - Prob. 69APPCh. 9 - The equation for the reaction of iron and oxygen...Ch. 9 - Prob. 71APPCh. 9 - Prob. 72APPCh. 9 - Prob. 73CPCh. 9 - Prob. 74CPCh. 9 - Prob. 75CPCh. 9 - The following problems are related to the topics...Ch. 9 - Prob. 77CPCh. 9 - Prob. 78CPCh. 9 - Prob. 79CPCh. 9 - Prob. 80CPCh. 9 - The following problems are related to the topics...Ch. 9 - Prob. 82CPCh. 9 - Prob. 83CPCh. 9 - The following problems are related to the topics...Ch. 9 - Prob. 85CPCh. 9 - Prob. 86CP
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