Chemistry for Engineering Students
4th Edition
ISBN: 9781337398909
Author: Lawrence S. Brown, Tom Holme
Publisher: Cengage Learning
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Question
Chapter 11, Problem 8CO
Interpretation Introduction
Interpretation:
To explain how to calculate the activation energy Eafrom experimental data.
Concept Introduction:
At molecular level, thermal energy is related to motion. Any increase in temperature results in the molecules moving faster, more vigorous collisions. This enhances the chances of bond cleavages and rearrangement of atoms with new bond formation. The neutral molecules involved in the reactions have to absorb energy to stretch, bend or distort bonds. This energy is the activation energy of the reaction.
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Relative Intensity
Part VI. consider the multi-step reaction below for compounds
A, B, and C.
These compounds were subjected to mass spectrometric analysis and
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Draw the structure of B and C and match all three compounds
to the correct spectra.
Relative Intensity
Relative Intensity
100
HS-NJ-0547
80
60
31
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84
M+
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30
40
50
60
70
80
90
100
100-
MS2016-05353CM
80-
60
40
20
135 137
S2
164 166
0-m
25
50
75
100
125
150
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60
100
MS-NJ-09-43
40
20
20
80
45
S3
25
50
75
100
125
150
175
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Part II. Given two isomers: 2-methylpentane (A) and 2,2-dimethyl butane (B) answer the following:
(a) match structures of isomers given their mass spectra below (spectra A and spectra B)
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Spectra A m/2 =43 and 1/2-57
spectra B m/2 = 43
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to the same peak in spectrum B.
Relative abundance
Relative abundance
100
A
50
29
29
0
10
-0
-0
100
B
50
720
30
41
43
57
71
4-0
40
50
60 70
m/z
43
57
8-0
m/z = 86
M
90 100
71
m/z = 86
M
-O
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60
70
80
-88
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100
Chapter 11 Solutions
Chemistry for Engineering Students
Ch. 11 - Prob. 1COCh. 11 - . define the rate of a chemical reaction and...Ch. 11 - Prob. 3COCh. 11 - Prob. 4COCh. 11 - . explain the difference between elementary...Ch. 11 - . find the rate law predicted for a particular...Ch. 11 - . use a molecular perspective to explain the...Ch. 11 - Prob. 8COCh. 11 - . explain the role of a catalyst in the design of...Ch. 11 - Prob. 11.1PAE
Ch. 11 - List two types of chemical compounds that must be...Ch. 11 - Prob. 11.3PAECh. 11 - Prob. 11.4PAECh. 11 - Prob. 11.5PAECh. 11 - Prob. 11.6PAECh. 11 - Asphalt is composed of a mixture of organic...Ch. 11 - Prob. 11.8PAECh. 11 - Prob. 11.9PAECh. 11 - For each of the following, suggest appropriate...Ch. 11 - Prob. 11.11PAECh. 11 - Rank the following in order of increasing reaction...Ch. 11 - Prob. 11.13PAECh. 11 - Candle wax is a mixture of hydrocarbons. In the...Ch. 11 - Prob. 11.15PAECh. 11 - The reaction for the Haber process, the industrial...Ch. 11 - 11.17 Ammonia can react with oxygen to produce...Ch. 11 - The following data were obtained in the...Ch. 11 - Prob. 11.19PAECh. 11 - Experimental data are listed here for the reaction...Ch. 11 - Azomethane, CH3NNCH3, is not a stable compound,...Ch. 11 - Prob. 11.22PAECh. 11 - A reaction has the experimental rate equation Rate...Ch. 11 - Second-order rate constants used in modeling...Ch. 11 - For each of the rate laws below, what is the order...Ch. 11 - 11.26 The reaction of C(Xg) with NO2(g) is second...Ch. 11 - Prob. 11.27PAECh. 11 - Prob. 11.28PAECh. 11 - The hypothetical reaction, A + B —*C, has the rate...Ch. 11 - The rate of the decomposition of hydrogen...Ch. 11 - Prob. 11.31PAECh. 11 - 11.32 The following experimental data were...Ch. 11 - The following experimental data were obtained for...Ch. 11 - 11.34 Rate data were obtained at 25°C for the...Ch. 11 - 11.35 For the reaction 2 NO(g) + 2 H?(g) — N,(g) +...Ch. 11 - The reaction NO(g) + O,(g) — NO,(g) + 0(g) plays a...Ch. 11 - Prob. 11.37PAECh. 11 - Prob. 11.38PAECh. 11 - The decomposition of N2O5 in solution in carbon...Ch. 11 - In Exercise 11.39, if the initial concentration of...Ch. 11 - 11.41 For a drug to be effective in treating an...Ch. 11 - Amoxicillin is an antibiotic packaged as a powder....Ch. 11 - As with any drug, aspirin (acetylsalicylic acid)...Ch. 11 - 11.44 A possible reaction for the degradation of...Ch. 11 - The initial concentration of the reactant in a...Ch. 11 - A substance undergoes first-order decomposition....Ch. 11 - Prob. 11.47PAECh. 11 - 11.48 The following data were collected for the...Ch. 11 - The rate of photodecomposition of the herbicide...Ch. 11 - Prob. 11.50PAECh. 11 - 11.51 Peroxyacetyl nitrate (PAN) has the chemical...Ch. 11 - Hydrogen peroxide (H20i) decomposes into water and...Ch. 11 - 11.53 The reaction in which CO, decomposes to CO...Ch. 11 - use the kineticmolecular theory to explain why an...Ch. 11 - The following rate constants were obtained in an...Ch. 11 - The table below presents measured rate constants...Ch. 11 - Prob. 11.57PAECh. 11 - Prob. 11.58PAECh. 11 - Can a reaction mechanism ever be proven correct?...Ch. 11 - Prob. 11.60PAECh. 11 - Describe how the Chapman cycle is a reaction...Ch. 11 - Prob. 11.62PAECh. 11 - The following mechanism is proposed for a...Ch. 11 - 11.64 HBr is oxidized in the following reaction: 4...Ch. 11 - Prob. 11.65PAECh. 11 - Prob. 11.66PAECh. 11 - What distinguishes homogeneous and heterogeneous...Ch. 11 - Prob. 11.68PAECh. 11 - In Chapter 3, we discussed the conversion of...Ch. 11 - The label on a bottle of 3% (by volume) hydrogen...Ch. 11 - Prob. 11.71PAECh. 11 - Prob. 11.72PAECh. 11 - Prob. 11.73PAECh. 11 - 11.74 The AQI includes six levels, including...Ch. 11 - Prob. 11.75PAECh. 11 - Prob. 11.76PAECh. 11 - Prob. 11.77PAECh. 11 - Prob. 11.78PAECh. 11 - Prob. 11.79PAECh. 11 - Prob. 11.80PAECh. 11 - Prob. 11.81PAECh. 11 - Prob. 11.82PAECh. 11 - Bacteria cause milk to go sour by generating...Ch. 11 - Prob. 11.84PAECh. 11 - Prob. 11.85PAECh. 11 - Prob. 11.86PAECh. 11 - Prob. 11.87PAECh. 11 - Prob. 11.88PAECh. 11 - Prob. 11.89PAECh. 11 - 11.90 Draw a hypothetical activation energy...Ch. 11 - Prob. 11.91PAECh. 11 - Prob. 11.92PAECh. 11 - 11.93 On a particular day, the ozone level in...Ch. 11 - Prob. 11.94PAECh. 11 - The following is a thought experiment. Imagine...Ch. 11 - The following statements relate to the reaction...Ch. 11 - Prob. 11.97PAECh. 11 - Experiments show that the reaction of nitrogen...Ch. 11 - Substances that poison a catalyst pose a major...Ch. 11 - Prob. 11.100PAECh. 11 - Prob. 11.101PAECh. 11 - 11.102 Suppose that you are studying a reaction...Ch. 11 - Prob. 11.103PAECh. 11 - Prob. 11.104PAECh. 11 - Prob. 11.105PAECh. 11 - Prob. 11.106PAECh. 11 - 11.1047 Fluorine often reacts explosively. What...Ch. 11 - Prob. 11.108PAECh. 11 - Prob. 11.109PAECh. 11 - When formic acid is heated, it decomposes to...
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