Chemistry: The Molecular Nature of Matter
7th Edition
ISBN: 9781118516461
Author: Neil D. Jespersen, Alison Hyslop
Publisher: WILEY
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 18, Problem 69RQ
Which system has a higher entropy? Explain your reasoning.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
NMR spectrum of ethyl acetate has signals whose chemical shifts are indicated below. Which hydrogen or set of hydrogens corresponds to the signal at
4.1 ppm? Select the single best answer.
The
H
O
HỌC—C—0—CH, CH,
2
A
ethyl acetate
H NMR: 1.3 ppm, 2.0 ppm, 4.1 ppm
Check
OA
B
OC
ch
B
C
Save For Later
Submit Ass
© 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center |
How many signals do you expect in the H NMR spectrum for this molecule?
Br Br
Write the answer below.
Also, in each of the drawing areas below is a copy of the molecule, with Hs shown. In each copy, one of the H atoms is colored red. Highlight in red all other H
atoms that would contribute to the same signal as the H already highlighted red
Note for advanced students: In this question, any multiplet is counted as one signal.
1
Number of signals in the 'H NMR spectrum.
For the molecule in the top drawing area, highlight in red any other H atoms that will contribute to
the same signal as the H atom already highlighted red.
If no other H atoms will contribute, check the box at right.
Check
For the molecule in the bottom drawing area, highlight in red any other H atoms that will contribute
to the same signal as the H atom already highlighted red.
If no other H atoms will contribute, check the box at right.
O
✓
No additional Hs to color in top
molecule
ง
No additional Hs to color in bottom…
in the kinetics experiment, what were the values calculated? Select all that apply.a) equilibrium constantb) pHc) order of reactiond) rate contstant
Chapter 18 Solutions
Chemistry: The Molecular Nature of Matter
Ch. 18 - Molecules of an ideal gas have no intermolecular...Ch. 18 - If a gas is compressed under adiabatic conditions...Ch. 18 - Calculate the difference, in kilojoules, between...Ch. 18 - The reaction CaO(s)+2HCl(g)CaCl2(s)+H2O(g) has...Ch. 18 - Are the following processes spontaneous? (a) Ice...Ch. 18 - The following processes are nor spontaneous as...Ch. 18 - Would you expect the to be positive or negative...Ch. 18 - Predict the sign of the entropy change for (a) the...Ch. 18 - Predict the sing of S for the following reactions:...Ch. 18 - Would you expect the following reactions to be...
Ch. 18 - What change in temperature would make the process...Ch. 18 - Calculate SfforNH3(g). (Hint: Write the equation...Ch. 18 - Calculate the standard entropy change, S,inJK-1...Ch. 18 - Prob. 14PECh. 18 - Use the data in Table 6.2 and Table 18.1 to...Ch. 18 - Calculate for the reaction of iron(III) oxide...Ch. 18 - Calculate Greaction in kilojoules for the...Ch. 18 - Calculate the maximum work that could be obtained...Ch. 18 - Calculate the maximum work that could be obtained...Ch. 18 - The heat of vaporization of ammonia is and the...Ch. 18 - The heat of vaporization of mercury is 60.7...Ch. 18 - Use the data in Table 18.2 to determine whether...Ch. 18 - Use the data in Table 18.2 to determine whether we...Ch. 18 - In Examples 18.3 and 18.4 we computed SandH for...Ch. 18 - Use the data in Table 18.2 to determine for the...Ch. 18 - Calculate for the reaction described in the...Ch. 18 - In which direction will the reaction described in...Ch. 18 - The reaction...Ch. 18 - The reaction...Ch. 18 - Determine the heat of formation of gaseous...Ch. 18 - Determine the heat of formation of gaseous...Ch. 18 - First Law of Thermodynamics
18.1 What is the...Ch. 18 - First Law of Thermodynamics
18.2 State the first...Ch. 18 - First Law of Thermodynamics
18.3 How is a change...Ch. 18 - First Law of Thermodynamics
18.4 What is the...Ch. 18 - First Law of Thermodynamics Which quantities in...Ch. 18 - First Law of Thermodynamics Which thermodynamic...Ch. 18 - Second Law of Thermodynamics
18.7 What are the...Ch. 18 - First Law of Thermodynamics If there is a decrease...Ch. 18 - First Law of Thermodynamics Which of the following...Ch. 18 - Spontaneous Change What is a spontaneous change?...Ch. 18 - Spontaneous Change List five changes that you have...Ch. 18 - Spontaneous Change
18.12 Which of the items that...Ch. 18 - Spontaneous Change At constant pressure, what role...Ch. 18 - Spontaneous Change How do the probabilities of the...Ch. 18 - Entropy An instant cold pack purchased in a...Ch. 18 - Entropy What is entropy?Ch. 18 - Entropy How is the entropy of a substance affected...Ch. 18 - Entropy
18.18 Will the entropy change for each of...Ch. 18 - Entropy On the basis of our definition of entropy,...Ch. 18 - Second Law of Thermodynamics State the second law...Ch. 18 - Second Law of Thermodynamics How can a process...Ch. 18 - Second Law of Thermodynamics Explain the terms...Ch. 18 - Second Law of Thermodynamics Explain how the...Ch. 18 - Second Law of Thermodynamics
18.24 What is the...Ch. 18 - Second Law of Thermodynamics Define Gibbs free...Ch. 18 - Second Law of Thermodynamics
18.26 In terms of the...Ch. 18 - Second Law of Thermodynamics Under what...Ch. 18 - Third Law of Thermodynamics State the third law of...Ch. 18 - Third Law of Thermodynamics Explain why the units...Ch. 18 - Third Law of Thermodynamics Explain why the values...Ch. 18 - Third Law of Thermodynamics Would you expect the...Ch. 18 - Third Law of Thermodynamics Why does entropy...Ch. 18 - Third Law of Thermodynamics Does glass have S = 0...Ch. 18 - Standard Free Energy Change, G What is the...Ch. 18 - Standard Free Energy Change, G Why can G be...Ch. 18 - Maximum Work and G How is free energy related to...Ch. 18 - Maximum Work and
18.37 What is a...Ch. 18 - Maximum Work and G How is the rate at which energy...Ch. 18 - Maximum Work and
18.39 When glucose is oxidized...Ch. 18 - Maximum Work and G Why are real, observable...Ch. 18 - Free Energy and Equilibrium
18.41 In what way is...Ch. 18 - Free Energy and Equilibrium How can boiling points...Ch. 18 - Free Energy and Equilibrium Considering the fact...Ch. 18 - Free Energy and Equilibrium When a warm object is...Ch. 18 - Free Energy and Equilibrium Sketch the shape of...Ch. 18 - Free Energy and Equilibrium Many reactions that...Ch. 18 - Equilibrium Constants and
18.47 Suppose a...Ch. 18 - Equilibrium Constants and G Write the equation...Ch. 18 - Equilibrium Constants and G How is the equilibrium...Ch. 18 - Equilibrium Constants and
18.50 What is the value...Ch. 18 - Equilibrium Constants and
18.51 How does the...Ch. 18 - Bond Energies Define the term atomization enerey.Ch. 18 - Bond Energies Why are the heats of formation of...Ch. 18 - Bond Energies The gaseous C2 molecule has a bond...Ch. 18 - First Law of Thermodynamics
18.55 A certain system...Ch. 18 - First Law of Thermodynamics The value of E for a...Ch. 18 - 18.57 Suppose that you were pumping an automobile...Ch. 18 - 18.58 Consider the reaction between aqueous...Ch. 18 - Calculate H and E for the following reactions at...Ch. 18 - Calculate H and E for the following reactions at...Ch. 18 - The reaction 2N2O(g)2N2(g)+O2(g) has H=-163.14kJ....Ch. 18 - 18.62 A 10.0 L vessel at contains butane, , at a...Ch. 18 - Spontaneous Change Predict the sign of S for the...Ch. 18 - Spontaneous Change
18.64 Predict the sign of for...Ch. 18 - 18.65 Use the data from Table 6.2 to calculate ...Ch. 18 - Use the data from Table 6.2 to calculate H for the...Ch. 18 - Entropy There are two chemical systems, A and B,...Ch. 18 - Entropy
18.68 A chemical system has three panicles...Ch. 18 - Which system has a higher entropy? Explain your...Ch. 18 - Which system has a higher entropy?Ch. 18 - What factors must you consider to determine the...Ch. 18 - 18.72 What factors must you consider to determine...Ch. 18 - 18.73 Predict the algebraic sign of the entropy...Ch. 18 - 18.74 Predict the algebraic sign of the entropy...Ch. 18 - Second Law of Thermodynamics Under what conditions...Ch. 18 - Second Law of Thermodynamics
18.76 Under what...Ch. 18 - Third Law of Thermodynamics Calculate S for the...Ch. 18 - Third Law of Thermodynamics
18.78 Calculate for...Ch. 18 - Calculate Sfo for these compounds in J mol-1K-1....Ch. 18 - Calculate Sfo for these compounds in J mol-1K-1....Ch. 18 - Nitrogen dioxide, NO2, an air pollutant, dissolves...Ch. 18 - Good wine will turn to vinegar if it is left...Ch. 18 - Standard Free Energy Change, G Phosgene, COCl2,...Ch. 18 - Standard Free Energy Change, G Aluminum oxidizes...Ch. 18 - 18.85 Compute in kJ for the following reactions,...Ch. 18 - Prob. 86RQCh. 18 - Given the following,...Ch. 18 - *18.88 Given the following reactions and their ...Ch. 18 - Maximum Work and G Gasohol is a mixture of...Ch. 18 - Maximum Work and
18.90 What is the maximum amount...Ch. 18 - Free Energy and Equilibrium
18.91 Chloroform,...Ch. 18 - For the melting of aluminum,...Ch. 18 - Isooctane, a minor constituent of gasoline, has a...Ch. 18 - Acetone (nail polish remover) has a boiling point...Ch. 18 - 18.95 Determine whether the following reaction...Ch. 18 - Which of the following reactions (equations...Ch. 18 - Equilibrium Constants and G Calculate the value of...Ch. 18 - Equilibrium Constants and
18.98 Calculate the...Ch. 18 - 18.99 The reaction . A 1.00 L reaction vessel at ...Ch. 18 - The reaction...Ch. 18 - A reaction that can convert coal to methane (the...Ch. 18 - 18.102 One of the important reactions in living...Ch. 18 - What is the value of the equilibrium constant for...Ch. 18 - Methanol, a potential replacement for gasoline as...Ch. 18 - Bond Energies
18.105 Use the data in Table 18.4 to...Ch. 18 - 18.106 Approximately how much energy would be...Ch. 18 - 18.107 The standard heat of formation of ethanol...Ch. 18 - The standard heat of formation of ethylene,...Ch. 18 - Carbon disulfide, CS2, has the Lewis structure ,...Ch. 18 - Gaseous hydrogen sulfide, H2S,hasHf=20.15kJmol-1....Ch. 18 - 18.111 For . Use the data in Table 18.3 to...Ch. 18 - 18.112 Use the results of the preceding problem...Ch. 18 - Use the data in Tables 18.3 and 18.4 to estimate...Ch. 18 - What would be the approximate heat of formation of...Ch. 18 - *18.115 Which substance should have the more...Ch. 18 - Would you expect the value of Hf for benzene,...Ch. 18 - 18.117 Look at Table C.2 in Appendix C. Some of...Ch. 18 - Calculate the G for the dissolution of calcium...Ch. 18 - 18.119 If pressure is expressed in atmospheres and...Ch. 18 - 18.120 Calculate the work, in joules, done by a...Ch. 18 - When an ideal gas expands at a constant...Ch. 18 - When a real gas expands at a constant temperature,...Ch. 18 - 18.123 An ideal gas in a cylinder fitted with a...Ch. 18 - A cylinder fitted with a piston contains 5.00 L of...Ch. 18 - The experiment described in Exercise 18.124 is...Ch. 18 - When potassium iodide dissolves in water, the...Ch. 18 - The enthalpy of combustion Hcombustiono, of oxalic...Ch. 18 - Many biochemical reactions have positive values...Ch. 18 - *18.129 The reaction
has . Determine the value of...Ch. 18 - At 1500C,Kc=5.67 for the reaction...Ch. 18 - 18.131 Given the following reactions and their...Ch. 18 - *18.132 At room temperature , the gas ClNO is...Ch. 18 - *18.133 The reaction
has are placed in a 2.00 L...Ch. 18 - Use the data in Table 18.3 to calculate the bond...Ch. 18 - 18.135 The heat of vaporization of carbon...Ch. 18 - At 25C, 0.0560molO2and0.020molN2O were placed in a...Ch. 18 - For the substance SO2F2(g),Hfo=-858kJmol-1. The...Ch. 18 - *18.138 Ethyl alcohol, , has been suggested as an...Ch. 18 - When solutions of sodium hydroxide are used to...Ch. 18 - Prob. 140RQCh. 18 - A certain weak acid has a pKa of 5.83. When 100.0...Ch. 18 - The average CH bond energy calculated using the...Ch. 18 - 18.144 If a catalyst were able to affect the...Ch. 18 - At the beginning of this chapter we noted that the...
Additional Science Textbook Solutions
Find more solutions based on key concepts
What are the four types of tissues, and what are their characteristics?
Human Anatomy & Physiology (2nd Edition)
a. How can aspirin be synthesized from benzene? b. Ibuprofen is the active ingredient in pain relievers such as...
Organic Chemistry (8th Edition)
41. What is multiple-allele inheritance? Give an example.
Principles of Anatomy and Physiology
Community 1 contains 100 individuals distributed among four species: 5A, 5B, 85C, and 5D Community 2 contains 1...
Campbell Biology in Focus (2nd Edition)
10.71 Identify each of the following as an acid or a base: (10.1)
H2SO4
RbOH
Ca(OH)2
HI
...
Chemistry: An Introduction to General, Organic, and Biological Chemistry (13th Edition)
In Figure 12.14, why do the nuclei resulting from experiment 2 contain different amounts of DNA?
Campbell Biology (11th Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- true or false, given that a 20.00 mL sample of NaOH took 24.15 mL of 0.141 M HCI to reach the endpoint in a titration, the concentration of the NaOH is 1.17 M.arrow_forwardin the bromothymol blue experiment, pKa was measured. A closely related compound has a Ka of 2.10 x 10-5. What is the pKa?a) 7.1b) 4.7c) 2.0arrow_forwardcalculate the equilibrium concentration of H2 given that K= 0.017 at a constant temperature for this reaction. The inital concentration of HBr is 0.050 M.2HBr(g) ↔ H2(g) + Br2(g)a) 4.48 x 10-2 M b) 5.17 x 10-3 Mc) 1.03 x 10-2 Md) 1.70 x 10-2 Marrow_forward
- true or falsegiven these two equilibria with their equilibrium constants:H2(g) + CI2(l) ↔ 2HCI(g) K= 0.006 CI2(l) ↔ CI2(g) K= 0.30The equilibrium contstant for the following reaction is 1.8H2(g) + CI2 ↔ 2HCI(g)arrow_forwardI2(g) + CI2(g) ↔ 2ICIK for this reaction is 81.9. Find the equilibrium concentration of I2 if the inital concentration of I2 and CI2 are 0.010 Marrow_forwardtrue or false,the equilibrium constant for this reaction is 0.50.PCI5(g) ↔ PCI3(g) + CI2(g)Based on the above, the equilibrium constant for the following reaction is 0.25.2PCI5(g) ↔. 2PCI3(g) + 2CI2(g)arrow_forward
- true or false, using the following equilibrium, if carbon dioxide is added the equilibrium will shift toward the productsC(s) + CO2(g) ↔ 2CO(g)arrow_forward2S2O2/3- (aq) + I2 (aq) ---> S4O2/6- (aq) +2I- (aq) Experiment I2 (M) S2O3- (M) Initital Rate (M/s) 1 0.01 0.01 0.0004 2 0.01 0.02 0.0004 3 0.02 0.01 0.0008 Calculate the overall order for this reaction using the table data a) 3b) 0c) 2d) 1arrow_forwardthe decomposition of N2O5 is the first order with a half-life of 1.98 minutes. If the inital concentration of N2O5 is 0.200 M, what is the concentration after 6 minutes?a) 0.612 Mb) 0.035 Mc) 0.024 Md) 0.100 Marrow_forward
- 20.00 mL of 0.150 M HCI is titrated with 0.075 M NaOH. What volume of NaOH is needed?a) 50 mLb) 20 mLc) 40 mLd) 26.66 mLarrow_forward20.00 mL of 0.150 M NaOH is titrated with 37.75 mL of HCI. What is the molarity of the HCI?a) 0.150 Mb) 0.079 Mc) 0.025 Md) 0.050 Marrow_forwardin the following reaction, the OH- acts as which of these?NO2- (aq) + H2O (l) ⇌ OH- (aq) + HNO2 (aq)a) not a weak acidb) basec) acidarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Introductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub Co
Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
Chemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStax
Chemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage Learning
Introductory Chemistry: A Foundation
Chemistry
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Chemistry: Matter and Change
Chemistry
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Glencoe/McGraw-Hill School Pub Co
Chemistry: The Molecular Science
Chemistry
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:Cengage Learning
Chemistry by OpenStax (2015-05-04)
Chemistry
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:OpenStax
Chemistry for Engineering Students
Chemistry
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Cengage Learning
The Laws of Thermodynamics, Entropy, and Gibbs Free Energy; Author: Professor Dave Explains;https://www.youtube.com/watch?v=8N1BxHgsoOw;License: Standard YouTube License, CC-BY