Chemistry
9th Edition
ISBN: 9781133611097
Author: Steven S. Zumdahl
Publisher: Cengage Learning
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Chapter 5, Problem 159CP
You are given an unknown gaseous binary compound (that is, a compound consisting of two different elements). When 10.0 g of the compound is burned in excess oxygen, 16.3 g of water is produced. The compound has a density 1.38 times that of oxygen gas at the same conditions of temperature and pressure. Give a possible identity for the unknown compound.
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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
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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
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Ar
Homework 13 (Ch17)
Question 4 of 4 (1 point) | Question Attempt: 2 of 2
✓ 1
✓ 2
= 3
4
Time Remaining: 4:25:54
Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction free energy of the following chemical reaction:
2CH3OH (g)+302 (g) → 2CO2 (g) + 4H₂O (g)
Round your answer to zero decimal places.
☐ kJ
x10
☐
Subm
Check
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Identifying the major species in weak acid or weak base equilibria
Your answer is incorrect.
• Row 2: Your answer is incorrect.
• Row 3: Your answer is incorrect.
• Row 6: Your answer is incorrect.
0/5
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:
HF
0.1 mol of NaOH is added to
1.0 L of a 0.7M HF
solution.
bases:
0.13 mol of HCl is added to
1.0 L of a solution that is
1.0M in both HF and KF.
Exponent
other:
F
acids: HF
bases: F
other:
K
1
0,0,...
?
000
18
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Chapter 5 Solutions
Chemistry
Ch. 5 - Prob. 1RQCh. 5 - Prob. 2RQCh. 5 - Prob. 3RQCh. 5 - Prob. 4RQCh. 5 - Prob. 5RQCh. 5 - Prob. 6RQCh. 5 - Prob. 7RQCh. 5 - Prob. 8RQCh. 5 - Prob. 9RQCh. 5 - Why do real gases not always behave ideally? Under...
Ch. 5 - Prob. 3ALQCh. 5 - Prob. 4ALQCh. 5 - Prob. 6ALQCh. 5 - Prob. 8ALQCh. 5 - Prob. 11ALQCh. 5 - Prob. 12ALQCh. 5 - Prob. 15ALQCh. 5 - Prob. 16ALQCh. 5 - Draw molecular-level views that show the...Ch. 5 - Prob. 20QCh. 5 - Prob. 21QCh. 5 - Prob. 22QCh. 5 - Prob. 23QCh. 5 - As weather balloons rise from the earths surface,...Ch. 5 - Prob. 25QCh. 5 - Consider two different containers, each filled...Ch. 5 - Prob. 27QCh. 5 - Prob. 28QCh. 5 - Prob. 29QCh. 5 - Prob. 30QCh. 5 - Prob. 31QCh. 5 - Prob. 32QCh. 5 - Prob. 33QCh. 5 - Without looking at a table of values, which of the...Ch. 5 - Prob. 35QCh. 5 - Prob. 36QCh. 5 - Prob. 37ECh. 5 - Prob. 38ECh. 5 - A sealed-tube manometer (as shown below) can be...Ch. 5 - Prob. 40ECh. 5 - A diagram for an open-tube manometer is shown...Ch. 5 - Prob. 42ECh. 5 - Prob. 43ECh. 5 - Prob. 44ECh. 5 - Prob. 45ECh. 5 - Prob. 46ECh. 5 - Prob. 47ECh. 5 - Prob. 48ECh. 5 - Prob. 49ECh. 5 - Prob. 50ECh. 5 - The Steel reaction vessel of a bomb calorimeter,...Ch. 5 - A 5.0-L flask contains 0.60 g O2 at a temperature...Ch. 5 - Prob. 53ECh. 5 - A person accidentally swallows a drop of liquid...Ch. 5 - A gas sample containing 1.50 moles at 25C exerts a...Ch. 5 - Prob. 56ECh. 5 - Prob. 57ECh. 5 - What will be the effect on the volume of an ideal...Ch. 5 - Prob. 59ECh. 5 - Prob. 60ECh. 5 - An ideal gas is contained in a cylinder with a...Ch. 5 - Prob. 62ECh. 5 - A sealed balloon is filled with 1.00 L helium at...Ch. 5 - Prob. 64ECh. 5 - Consider the following reaction:...Ch. 5 - A student adds 4.00 g of dry ice (solid CO2) to an...Ch. 5 - Air bags are activated when a severe impact causes...Ch. 5 - Concentrated hydrogen peroxide solutions are...Ch. 5 - In 1897 the Swedish explorer Andre tried to reach...Ch. 5 - Sulfur trioxide, SO3, is produced in enormous...Ch. 5 - A 15.0-L rigid container was charged with 0.500...Ch. 5 - An important process for the production of...Ch. 5 - Consider the reaction between 50.0 mL liquid...Ch. 5 - Urea (H2NCONH2) is used extensively as a nitrogen...Ch. 5 - Prob. 75ECh. 5 - Prob. 76ECh. 5 - Prob. 77ECh. 5 - A compound has the empirical formula CHCl. A...Ch. 5 - Prob. 79ECh. 5 - Given that a sample of air is made up of nitrogen,...Ch. 5 - Prob. 81ECh. 5 - Prob. 82ECh. 5 - A piece of solid carbon dioxide, with a mass of...Ch. 5 - Prob. 84ECh. 5 - Consider the flasks in the following diagram. What...Ch. 5 - Consider the flask apparatus in Exercise 85, which...Ch. 5 - Prob. 87ECh. 5 - At 0C a 1.0-L flask contains 5.0 102 mole of N2,...Ch. 5 - Prob. 89ECh. 5 - A tank contains a mixture of 52.5 g oxygen gas and...Ch. 5 - Prob. 91ECh. 5 - Helium is collected over water at 25C and 1.00 atm...Ch. 5 - At elevated temperatures, sodium chlorate...Ch. 5 - Xenon and fluorine will react to form binary...Ch. 5 - Methanol (CH3OH) can be produced by the following...Ch. 5 - In the Mthode Champenoise, grape juice is...Ch. 5 - Hydrogen azide, HN3, decomposes on heating by the...Ch. 5 - Prob. 98ECh. 5 - Prob. 99ECh. 5 - The oxides of Group 2A metals (symbolized by M...Ch. 5 - Prob. 101ECh. 5 - Prob. 102ECh. 5 - Prob. 103ECh. 5 - Prob. 104ECh. 5 - Prob. 105ECh. 5 - Prob. 106ECh. 5 - Prob. 107ECh. 5 - Prob. 108ECh. 5 - Prob. 109ECh. 5 - Prob. 110ECh. 5 - Prob. 111ECh. 5 - Prob. 112ECh. 5 - Prob. 113ECh. 5 - Prob. 114ECh. 5 - Prob. 115ECh. 5 - Prob. 116ECh. 5 - Use the data in Table 84 to calculate the partial...Ch. 5 - Prob. 118ECh. 5 - Prob. 119ECh. 5 - Prob. 120ECh. 5 - Prob. 121ECh. 5 - Prob. 122ECh. 5 - Prob. 123AECh. 5 - At STP, 1.0 L Br2 reacts completely with 3.0 L F2,...Ch. 5 - Prob. 125AECh. 5 - Prob. 126AECh. 5 - Prob. 127AECh. 5 - Cyclopropane, a gas that when mixed with oxygen is...Ch. 5 - The nitrogen content of organic compounds can be...Ch. 5 - Prob. 130AECh. 5 - A 15.0L tank is filled with H2 to a pressure of...Ch. 5 - A spherical glass container of unknown volume...Ch. 5 - Prob. 133AECh. 5 - A 20.0L stainless steel container at 25C was...Ch. 5 - Metallic molybdenum can be produced from the...Ch. 5 - Prob. 136AECh. 5 - Prob. 137AECh. 5 - One of the chemical controversies of the...Ch. 5 - An organic compound contains C, H, N, and O....Ch. 5 - Prob. 140AECh. 5 - Prob. 141CWPCh. 5 - Prob. 142CWPCh. 5 - A certain flexible weather balloon contains helium...Ch. 5 - A large flask with a volume of 936 mL is evacuated...Ch. 5 - A 20.0L nickel container was charged with 0.859...Ch. 5 - Consider the unbalanced chemical equation below:...Ch. 5 - Prob. 147CWPCh. 5 - Which of the following statements is(are) true? a....Ch. 5 - A chemist weighed out 5.14 g of a mixture...Ch. 5 - A mixture of chromium and zinc weighing 0.362 g...Ch. 5 - Prob. 151CPCh. 5 - You have an equimolar mixture of the gases SO2 and...Ch. 5 - Methane (CH4) gas flows into a combustion chamber...Ch. 5 - Prob. 154CPCh. 5 - Prob. 155CPCh. 5 - Prob. 156CPCh. 5 - You have a helium balloon at 1.00 atm and 25C. 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