EP BASIC CHEMISTRY-STANDALONE ACCESS
6th Edition
ISBN: 9780134999890
Author: Timberlake
Publisher: PEARSON CO
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Chapter 11, Problem 109APP
A gas mixture contains oxygen and argon at partial pressures of 0.60 atm and 425 mmHg. If nitrogen gas added to the sample increases the total pressure to 1250 Torr, what is the partial pressure, in torr, of the nitrogen added? (11.9)
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Using reaction free energy to predict equilibrium composition
Consider the following equilibrium:
2NO(g) +Cl₂ (g) = 2NOC1 (g) AGº = -41. kJ
Now suppose a reaction vessel is filled with 8.90 atm of chlorine (C12) and 5.71 atm of nitrosyl chloride (NOC1) at 1075. °C. Answer the following questions
about this system:
rise
Under these conditions, will the pressure of NOCI tend to rise or fall?
x10
fall
Is it possible to reverse this tendency by adding NO?
In other words, if you said the pressure of NOCI will tend to rise, can that
be changed to a tendency to fall by adding NO? Similarly, if you said the
pressure of NOCI will tend to fall, can that be changed to a tendency to
rise by adding NO?
yes
no
If you said the tendency can be reversed in the second question, calculate
the minimum pressure of NO needed to reverse it.
Round your answer to 2 significant digits.
atm
☑
18
Ar
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 HCN is a weak acid.
acids:
0.29 mol of NaOH is added
to 1.0 L of a 1.2M HCN
solution.
bases:
☑
other:
0.09 mol of HCl is added to
acids:
1.0 L of a solution that is
bases:
0.3M in both HCN and
KCN.
other:
0,0,...
?
00.
18
Ar
日
Chapter 11 Solutions
EP BASIC CHEMISTRY-STANDALONE ACCESS
Ch. 11.1 - Prob. 1PPCh. 11.1 - Prob. 2PPCh. 11.1 - Prob. 3PPCh. 11.1 - Prob. 4PPCh. 11.1 - Prob. 5PPCh. 11.1 - Prob. 6PPCh. 11.1 - Prob. 7PPCh. 11.1 - Prob. 8PPCh. 11.2 - Prob. 9PPCh. 11.2 - Prob. 10PP
Ch. 11.2 - Prob. 11PPCh. 11.2 - Prob. 12PPCh. 11.2 - Prob. 13PPCh. 11.2 - Prob. 14PPCh. 11.2 - Prob. 15PPCh. 11.2 - Prob. 16PPCh. 11.2 - Prob. 17PPCh. 11.2 - Prob. 18PPCh. 11.2 - Prob. 19PPCh. 11.2 - Prob. 20PPCh. 11.2 - Prob. 21PPCh. 11.2 - Prob. 22PPCh. 11.2 - Prob. 23PPCh. 11.2 - Prob. 24PPCh. 11.3 - Prob. 25PPCh. 11.3 - Prob. 26PPCh. 11.3 - Prob. 27PPCh. 11.3 - Prob. 28PPCh. 11.3 - Prob. 29PPCh. 11.3 - Prob. 30PPCh. 11.3 - Prob. 31PPCh. 11.3 - Prob. 32PPCh. 11.4 - Prob. 33PPCh. 11.4 - Prob. 34PPCh. 11.4 - Prob. 35PPCh. 11.4 - Prob. 36PPCh. 11.4 - Prob. 37PPCh. 11.4 - Prob. 38PPCh. 11.4 - Prob. 39PPCh. 11.4 - Explain each of the following observations: a....Ch. 11.4 - A tank contains isoflurane, an inhaled anesthetic,...Ch. 11.4 - Prob. 42PPCh. 11.5 - Prob. 43PPCh. 11.5 - Prob. 44PPCh. 11.5 - Prob. 45PPCh. 11.5 - Prob. 46PPCh. 11.5 - Prob. 47PPCh. 11.5 - Prob. 48PPCh. 11.6 - Prob. 49PPCh. 11.6 - Prob. 50PPCh. 11.6 - Prob. 51PPCh. 11.6 - Prob. 52PPCh. 11.6 - Prob. 53PPCh. 11.6 - Prob. 54PPCh. 11.7 - Prob. 55PPCh. 11.7 - What is the volume, in liters, of 4.00 mol of...Ch. 11.7 - An oxygen gas container has a volume of 20.0 L....Ch. 11.7 - Prob. 58PPCh. 11.7 - A 25.0-g sample of nitrogen, N2 , has a volume of...Ch. 11.7 - A 0.226-g sample of carbon dioxide, CO2 , has a...Ch. 11.7 - Prob. 61PPCh. 11.7 - Prob. 62PPCh. 11.7 - Prob. 63PPCh. 11.7 - Prob. 64PPCh. 11.8 - HCl reacts with magnesium metal to produce...Ch. 11.8 - When heated to 350Cat0.950atm , ammonium nitrate...Ch. 11.8 - Butane undergoes combustion when it reacts with...Ch. 11.8 - Potassium nitrate decomposes to potassium nitrite...Ch. 11.8 - Prob. 69PPCh. 11.8 - Nitrogen dioxide reacts with water to produce...Ch. 11.9 - Prob. 71PPCh. 11.9 - Prob. 72PPCh. 11.9 - Prob. 73PPCh. 11.9 - Prob. 74PPCh. 11.9 - Prob. 75PPCh. 11.9 - Prob. 76PPCh. 11.9 - An air sample in the lungs contains oxygen at 93...Ch. 11.9 - Prob. 78PPCh. 11.9 - Prob. 79PPCh. 11.9 - Prob. 80PPCh. 11.9 - Prob. 81PPCh. 11.9 - Prob. 82PPCh. 11 - Prob. 83UTCCh. 11 - Prob. 84UTCCh. 11 - Prob. 85UTCCh. 11 - Indicate which diagram (1, 2, or 3) represents the...Ch. 11 - A balloon is filled with helium gas with a partial...Ch. 11 - Prob. 88UTCCh. 11 - Prob. 89APPCh. 11 - In the fermentation of glucose (wine making), 780...Ch. 11 - Prob. 91APPCh. 11 - Prob. 92APPCh. 11 - In 1783, Jacques Charles launched his first...Ch. 11 - Prob. 94APPCh. 11 - Prob. 95APPCh. 11 - Prob. 96APPCh. 11 - Prob. 97APPCh. 11 - A steel cylinder with a volume of 15.0 L is filled...Ch. 11 - A sample of gas with a mass of 1.62 g occupies a...Ch. 11 - Prob. 100APPCh. 11 - How many grams of...Ch. 11 - A container is filled with...Ch. 11 - How many liters of H2 gas can be produced at...Ch. 11 - Prob. 104APPCh. 11 - Prob. 105APPCh. 11 - Hydrogen gas can be produced in the laboratory...Ch. 11 - Prob. 107APPCh. 11 - Prob. 108APPCh. 11 - A gas mixture contains oxygen and argon at partial...Ch. 11 - Prob. 110APPCh. 11 - Prob. 111CPCh. 11 - When heated, KClO3 forms KCl and O2 . When a...Ch. 11 - A sample of gas with a mass of 1.020 g occupies a...Ch. 11 - A sample of an unknown gas with a mass of 3.24 g...Ch. 11 - Prob. 115CPCh. 11 - When sensors in a car detect a collision, they...Ch. 11 - Prob. 117CPCh. 11 - Prob. 118CPCh. 11 - Prob. 119CPCh. 11 - A hyperbaric chamber has a volume of 1510 L. How...Ch. 11 - Laparoscopic surgery involves inflating the...Ch. 11 - Prob. 122CPCh. 11 - Prob. 123CPCh. 11 - Prob. 124CP
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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. acids: 0.2 mol of KOH is added to 1.0 L of a 0.5 M HF solution. bases: Х other: ☐ acids: 0.10 mol of HI is added to 1.0 L of a solution that is 1.4M in both HF and NaF. bases: other: ☐ 0,0,... ด ? 18 Ararrow_forwardIdentifying 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,... ? 000 18 Ar B 1arrow_forwardUsing 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 무ㅎ ?arrow_forward
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