Study Guide for Chemistry: The Central Science
14th Edition
ISBN: 9780134554075
Author: Theodore E. Brown, H. Eugene LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward, Matthew E. Stoltzfus, James C. Hill
Publisher: PEARSON
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Textbook Question
Chapter 14.6, Problem 14.14.1PE
Practice Exercise 1
An Alternative two-step reaction mechanism has been proposed for the reaction NO2(g) + CO(g) → NO(g) + CO2(g), which was discussed on page 597:
Step 1:NO2(g) + NO2(g) → N2O4(g) (slow)
Step 2:N2O4(g) + CO(g) → NO(g) +CO2(g) +NO2(g) (fast)
Which experiment would allow you to distinguish between the two proposed mechanisms?
- Run trials with different initial concentrations NONo22(g)(g) and measure the initial reaction rates.
- Run trials with different initial concentrations of CO(g) and measure the initial reaction rates.
- Conduct experiments to identify the reaction intermediate (s).
- It is not possible to distinguish between the two proposed reaction mechanisms.
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Practice question help
Problem 1
Consider the following reaction between nitrogen dioxide gas and carbon monoxide
gas
NO2 (g) + CO (g) → NO (g) + CO2 (g)
The experimentally determined rate law for this reaction is Rate = k [NO2]².
A possible reaction mechanism involves two steps as shown below
NO2 (g) + NO2 (g)→ NO3 (g) + NO (g)
Slow
NO3 (g) + CO (g) → NO2 (g) + CO2 (g)
Fast
Are there any intermediates in the proposed mechanism? If present, identify them.
Which is the rate-determining step in the mechanism – the 1st one or the 2nd one?
Why?
What is the rate law for the rate determining step based on its molecularity?
What is the rate law for the mechanism?
How does the rate law for the overall reaction match the experimental rate law?
Practice question help
Chapter 14 Solutions
Study Guide for Chemistry: The Central Science
Ch. 14.2 - If the experiment in Figure 14.2 is run for 60 s,...Ch. 14.2 - Prob. 14.1.2PECh. 14.2 - Which of the following could be the instantaneous...Ch. 14.2 - Using Figure 14.3, determine the instantaneous...Ch. 14.2 - At a certain time in a reaction, substance A is...Ch. 14.2 - Prob. 14.3.2PECh. 14.3 - Suppose the rate law for the reaction in this...Ch. 14.3 - Assuming that rate = k[A][B], rank the mixtures...Ch. 14.3 - Prob. 14.5.1PECh. 14.3 - Prob. 14.5.2PE
Ch. 14.3 - Consider the reaction examined above in the Sample...Ch. 14.3 - The following data were measured for the reaction...Ch. 14.4 - At 25 ° C, the decomposition of dinitrogen...Ch. 14.4 - Practice Exercise 2 The decomposition of dimethyl...Ch. 14.4 - Practice Exercise 1 For a certain reaction A ...Ch. 14.4 - Prob. 14.8.2PECh. 14.4 - Practice Exercise 1 We noted in an earlier...Ch. 14.4 - Practice Exercise 2 Using Equation 14.17,...Ch. 14.5 - Practice Exercise 1 This of the following change...Ch. 14.5 - Practice Exercise 2 Rank the rate constants of the...Ch. 14.5 - Practice Exercise 1 Using the data in Sample...Ch. 14.5 - Practice Exercise 2 To one significant figure,...Ch. 14.6 - Practice Exercise 1 Consider the following...Ch. 14.6 - For the reaction Mo(CO)6 +P(CH3)3 Mo(CO)5P(CH3)3...Ch. 14.6 - Practice Exercise 1 Consider the following...Ch. 14.6 - Practice Exercise 2 Consider the following...Ch. 14.6 - Practice Exercise 1 An Alternative two-step...Ch. 14.6 - Prob. 14.14.2PECh. 14.6 - Practice Exercise 1
Consider the...Ch. 14.6 - Prob. 14.15.2PECh. 14 - Prob. 1DECh. 14 - An automotive fuel injector dispenses a fine spray...Ch. 14 - Consider the following graph of the concentration...Ch. 14 - You study the rate of a reaction, measuring both...Ch. 14 - Suppose that for the reaction K+L M, you monitor...Ch. 14 - Prob. 5ECh. 14 - A friend studies a first-order reaction and...Ch. 14 - Prob. 7ECh. 14 - Which of the following linear plots do you expect...Ch. 14 - Prob. 9ECh. 14 - Prob. 10ECh. 14 - The following graph shows two different reaction...Ch. 14 - Prob. 12ECh. 14 - Prob. 13ECh. 14 - Draw a possible transition state for the...Ch. 14 - The following diagram represents an imaginary...Ch. 14 - 14.16 Draw a graph showing the reaction pathway...Ch. 14 - Prob. 17ECh. 14 - 14.18 (a) what are the units usually used to...Ch. 14 - Prob. 19ECh. 14 - A flask is charged with 0.100 mol of A and allowed...Ch. 14 - The isomerization of methyl isontrile (CH3NC) to...Ch. 14 - Prob. 22ECh. 14 - Prob. 23ECh. 14 - For each of the following gas-phase reactions,...Ch. 14 - (a) Consider the combustion of hydrogen, 2H2 (g) +...Ch. 14 - Prob. 26ECh. 14 - A reaction A+B C obeys the following rate law:...Ch. 14 - Prob. 28ECh. 14 - 14.29 The decomposition reaction of N2O5 in carbon...Ch. 14 - Prob. 30ECh. 14 - Prob. 31ECh. 14 - The reaction between ethyl bromide (C2H5Br) and...Ch. 14 - Prob. 33ECh. 14 - The reaction 2ClO2 (aq) + 2OH- (aq) ClO3- (aq) +...Ch. 14 - The following data were measured for the reaction...Ch. 14 - The following data were collected for the rate of...Ch. 14 - Consider the gas-phase reaction between nitric...Ch. 14 - Prob. 38ECh. 14 - Prob. 39ECh. 14 - Prob. 40ECh. 14 - Prob. 41ECh. 14 - Molecular iodine, I2 (g), dissociates into iodine...Ch. 14 - Prob. 43ECh. 14 - Prob. 44ECh. 14 - The reaction SO2Cl2 (g) O2 (g) + Cl2 (g) is first...Ch. 14 - Prob. 46ECh. 14 - Prob. 47ECh. 14 - Prob. 48ECh. 14 - Prob. 49ECh. 14 - Prob. 50ECh. 14 - (a) what factors determine whether a collision...Ch. 14 - (a) in which of the following reactions you expect...Ch. 14 - Calculate the fraction of atoms in a sample of...Ch. 14 - (a) the activation energy for the isomerization of...Ch. 14 - The gas-phase reaction CL (g) + HBr (g) + HCl (g)...Ch. 14 - Prob. 56ECh. 14 - Indicate whether each statement is true or false....Ch. 14 - Indicate whether each statement is true or false....Ch. 14 - Based on their activation energies and energy...Ch. 14 - Prob. 60ECh. 14 - Prob. 61ECh. 14 - Prob. 62ECh. 14 - The rate of the reaction CH3COOC2H5 (aq) + OH- ...Ch. 14 - Prob. 64ECh. 14 - Prob. 65ECh. 14 - Prob. 66ECh. 14 - What is the molecularity of each of the following...Ch. 14 - Prob. 68ECh. 14 - (a) based on the following reaction profile, how...Ch. 14 - Prob. 70ECh. 14 - Prob. 71ECh. 14 - Prob. 72ECh. 14 - The reaction 2NO (g) + CL2 (g) 2NOCl (g) was...Ch. 14 - You have studied the gas-phase oxidation of HBr by...Ch. 14 - Prob. 75ECh. 14 - Prob. 76ECh. 14 - Prob. 77ECh. 14 - Prob. 78ECh. 14 - Prob. 79ECh. 14 - The addition of No accelerates the decomposition...Ch. 14 - 14.81b Many metallic catalysts, particularly the...Ch. 14 - Prob. 82ECh. 14 - When D2 reacts with ethylene (C2H4) in the...Ch. 14 - Prob. 84ECh. 14 - Prob. 85ECh. 14 - The enzyme urease catalyzez the reaction of urea,(...Ch. 14 - Prob. 87ECh. 14 - Prob. 88ECh. 14 - Prob. 89AECh. 14 - Prob. 90AECh. 14 - Prob. 91AECh. 14 - Prob. 92AECh. 14 - Prob. 93AECh. 14 - Prob. 94AECh. 14 - Prob. 95AECh. 14 - Prob. 96AECh. 14 - [14.97]A first order reaction A B has the rate...Ch. 14 - Prob. 98AECh. 14 - Prob. 99AECh. 14 - Prob. 100AECh. 14 - Prob. 101AECh. 14 - Prob. 102AECh. 14 - Cyclopentadiene (C5H6) reacts with itself to form...Ch. 14 - Prob. 104AECh. 14 - At 280C, raw milk sours in 4.0 h but takes 48 h to...Ch. 14 - Prob. 106AECh. 14 - Prob. 107AECh. 14 - Prob. 108AECh. 14 - Prob. 109AECh. 14 - The following mechanism has been proposed for the...Ch. 14 - Prob. 111AECh. 14 - Prob. 112AECh. 14 - Platinum nanoparticles of diameter ~2 nm are...Ch. 14 - 14.114 One of the many remarkable enzymes in the...Ch. 14 - 14.115N Suppose that, in the absence of catalyst,...Ch. 14 - Prob. 116AECh. 14 - Dinitrogen pentoxide (N2O5) decomposes in...Ch. 14 - The reaction between ethyl iodide and hydroxide...Ch. 14 - Prob. 119IECh. 14 - Prob. 120IECh. 14 - Prob. 121IECh. 14 - The rates of many atmospheric reactions are...Ch. 14 - Prob. 123IECh. 14 - Prob. 124IECh. 14 - Prob. 125IE
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