Masteringchemistry With Pearson Etext -- Valuepack Access Card -- For Principles Of Chemistry: A Molecular Approach
3rd Edition
ISBN: 9780133890686
Author: Tro
Publisher: PEARSON
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Chapter 17, Problem 27E
Interpretation Introduction
Introduction: Amongst the given processes, the spontaneous processes are to be identified.
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3. Consider the compounds below and determine if they are aromatic, antiaromatic, or
non-aromatic. In case of aromatic or anti-aromatic, please indicate number of I
electrons in the respective systems. (Hint: 1. Not all lone pair electrons were explicitly
drawn and you should be able to tell that the bonding electrons and lone pair electrons
should reside in which hybridized atomic orbital 2. You should consider ring strain-
flexibility and steric repulsion that facilitates adoption of aromaticity or avoidance of anti-
aromaticity)
H H
N
N:
NH2
N
Aromaticity
(Circle)
Aromatic Aromatic Aromatic Aromatic Aromatic
Antiaromatic Antiaromatic Antiaromatic Antiaromatic Antiaromatic
nonaromatic nonaromatic nonaromatic nonaromatic nonaromatic
aromatic TT
electrons
Me
H
Me
Aromaticity
(Circle)
Aromatic Aromatic Aromatic
Aromatic Aromatic
Antiaromatic Antiaromatic Antiaromatic Antiaromatic Antiaromatic
nonaromatic nonaromatic nonaromatic nonaromatic nonaromatic
aromatic πT
electrons
H
HH…
A chemistry graduate student is studying the rate of this reaction:
2 HI (g) →H2(g) +12(g)
She fills a reaction vessel with HI and measures its concentration as the reaction proceeds:
time
(minutes)
[IH]
0
0.800M
1.0
0.301 M
2.0
0.185 M
3.0
0.134M
4.0
0.105 M
Use this data to answer the following questions.
Write the rate law for this reaction.
rate
= 0
Calculate the value of the rate constant k.
k =
Round your answer to 2 significant digits. Also be
sure your answer has the correct unit symbol.
None
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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- in which spectral range of EMR, atomic and ionic lines of metal liesarrow_forwardQ2: Label the following molecules as chiral or achiral, and label each stereocenter as R or S. CI CH3 CH3 NH2 C CH3 CH3 Br CH3 X &p Bra 'CH 3 "CH3 X Br CH3 Me - N OMe O DuckDuckarrow_forward1. For the four structures provided, Please answer the following questions in the table below. a. Please draw π molecular orbital diagram (use the polygon-and-circle method if appropriate) and fill electrons in each molecular orbital b. Please indicate the number of π electrons c. Please indicate if each molecule provided is anti-aromatic, aromatic, or non- aromatic TT MO diagram Number of π e- Aromaticity Evaluation (X choose one) Non-aromatic Aromatic Anti-aromatic || ||| + IVarrow_forward
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