
Masteringchemistry With Pearson Etext -- Valuepack Access Card -- For Principles Of Chemistry: A Molecular Approach
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Chapter 17, Problem 35E
Interpretation Introduction
Introduction: The entropy change of surroundings
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each pair of substrates below, choose the one that will react faster in a substitution reaction, assuming that:
1. the rate of substitution doesn't depend on nucleophile concentration and
2. the products are a roughly 50/50 mixture of enantiomers.
Substrate A
Substrate B
Faster Rate
X
Ś
CI
(Choose one)
(Choose one)
CI
Br
Explanation
Check
Br
(Choose one)
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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
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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…
Chapter 17 Solutions
Masteringchemistry With Pearson Etext -- Valuepack Access Card -- For Principles Of Chemistry: A Molecular Approach
Ch. 17 - Prob. 1SAQCh. 17 - Prob. 2SAQCh. 17 - Q3. Arrange the gases—F2, Ar, and CH3F—in order of...Ch. 17 - Q5. A reaction has a ΔHrxn = 54.2 kJ. Calculate...Ch. 17 - Prob. 5SAQCh. 17 - Q7. Use standard entropies to calculate for the...Ch. 17 - Q8. Use standard free energies of formation to...Ch. 17 - Q9. Find ΔG$$ for the reaction 2 A + B → 2 C from...Ch. 17 - Prob. 9SAQCh. 17 - Prob. 10SAQ
Ch. 17 - Prob. 11SAQCh. 17 - Prob. 12SAQCh. 17 - Prob. 13SAQCh. 17 - Prob. 14SAQCh. 17 - Prob. 15SAQCh. 17 - 1. What is the first law of thermodynamics, and...Ch. 17 - Prob. 2ECh. 17 - 3. What is a perpetual motion machine? Can such a...Ch. 17 - 4. Is it more efficient to heat your home with a...Ch. 17 - 5. What is a spontaneous process? Provide an...Ch. 17 - Prob. 6ECh. 17 - Prob. 7ECh. 17 - Prob. 8ECh. 17 - Prob. 9ECh. 17 - Prob. 10ECh. 17 - Prob. 11ECh. 17 - Prob. 12ECh. 17 - Prob. 13ECh. 17 - Prob. 14ECh. 17 - Prob. 15ECh. 17 - 16. Predict the spontaneity of a reaction (and the...Ch. 17 - 17. State the third law of thermodynamics and...Ch. 17 - 18. Why is the standard entropy of a substance in...Ch. 17 - Prob. 19ECh. 17 - Prob. 20ECh. 17 - 21. What are three different methods to calculate...Ch. 17 - Prob. 22ECh. 17 - Prob. 23ECh. 17 - Prob. 24ECh. 17 - Prob. 25ECh. 17 - Prob. 26ECh. 17 - 27. Which of these processes is spontaneous?
a....Ch. 17 - 28. Which of these processes are nonspontaneous?...Ch. 17 - 29. Two systems, each composed of two particles...Ch. 17 - 30. Two systems, each composed of three particles...Ch. 17 - 35. Without doing any calculations, determine the...Ch. 17 - 36. Without doing any calculations, determine the...Ch. 17 - Prob. 33ECh. 17 - 38. Without doing any calculations, determine the...Ch. 17 - 39. Calculate ΔSsurr at the indicated temperature...Ch. 17 - Prob. 36ECh. 17 - 41. Given the values of ΔH$$, ΔS$$, and T,...Ch. 17 - Prob. 38ECh. 17 - Prob. 39ECh. 17 - 4440. Calculate the change in Gibbs free energy...Ch. 17 - Calculate the free energy change for this reaction...Ch. 17 - Prob. 42ECh. 17 - Prob. 43ECh. 17 - Prob. 44ECh. 17 - Prob. 45ECh. 17 - 50. What is the molar entropy of a pure crystal at...Ch. 17 - Prob. 47ECh. 17 - 52. For each pair of substances, choose the one...Ch. 17 - 53. Rank each set of substances in order of...Ch. 17 - 54. Rank each set of substances in order of...Ch. 17 - Prob. 51ECh. 17 - Prob. 52ECh. 17 - Prob. 53ECh. 17 - Prob. 54ECh. 17 - Prob. 55ECh. 17 - Prob. 56ECh. 17 - Prob. 57ECh. 17 - 62. For each reaction, calculate , , and at 25 °C...Ch. 17 - 63. Use standard free energies of formation to...Ch. 17 - 64. Use standard free energies of formation to...Ch. 17 - 65. Consider the reaction:
2 NO(g) + O2(g) → 2...Ch. 17 - Prob. 62ECh. 17 - 67. Determine ΔG° for the reaction:
Fe2O3(s) + 3...Ch. 17 - 68. Calculate for the reaction:
CaCO3(s) → CaO(s)...Ch. 17 - 69. Consider the sublimation of iodine at 25.0 °C...Ch. 17 - 70. Consider the evaporation of methanol at 25.0...Ch. 17 - 71. Consider the reaction:
CH3OH(g) CO(g) + 2...Ch. 17 - Prob. 68ECh. 17 - Prob. 69ECh. 17 - Prob. 70ECh. 17 - Prob. 71ECh. 17 - 7762. Consider the reaction:
I2(g) + Cl2(g) 2...Ch. 17 - 77. Estimate the value of the equilibrium constant...Ch. 17 - 78. Estimate the value of the equilibrium constant...Ch. 17 - 79. Consider the reaction:
H2(g) + I2(g) 2...Ch. 17 - Prob. 76ECh. 17 - 81. The change in enthalpy () for a reaction is...Ch. 17 - Prob. 78ECh. 17 - 83. Determine the sign of ΔSsys for each...Ch. 17 - 84. Determine the sign of ΔSsys for each...Ch. 17 - 85. Our atmosphere is composed primarily of...Ch. 17 - Prob. 82ECh. 17 - 87. Ethene (C2H4) can be halogenated by the...Ch. 17 - 88. H2 reacts with the halogens (X2) according to...Ch. 17 - 89. Consider this reaction occurring at 298...Ch. 17 - 90. Consider this reaction occurring at 298...Ch. 17 - Prob. 87ECh. 17 - Prob. 88ECh. 17 - 93. These reactions are important in catalytic...Ch. 17 - Prob. 90ECh. 17 - Prob. 91ECh. 17 - Prob. 92ECh. 17 - 97. Consider the reaction X2(g) → 2 X(g). When a...Ch. 17 - 98. Dinitrogen tetroxide decomposes to nitrogen...Ch. 17 - 99. Indicate and explain the sign of ΔSuniv for...Ch. 17 - Prob. 96ECh. 17 - Prob. 97ECh. 17 - Prob. 98ECh. 17 - Prob. 99ECh. 17 - Prob. 100ECh. 17 - Prob. 101ECh. 17 - Prob. 102ECh. 17 - Prob. 103ECh. 17 - 108. The salt ammonium nitrate can follow three...Ch. 17 - 109. Given the data, calculate ΔSvap for each of...Ch. 17 - Prob. 106ECh. 17 - Prob. 107ECh. 17 - Prob. 108ECh. 17 - Prob. 109ECh. 17 - 114. Which statement is true?
a. A reaction in...Ch. 17 - Prob. 111ECh. 17 - Prob. 112ECh. 17 - Prob. 113E
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