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
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 14, Problem 42E
Molecular iodine, I2 (g), dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271s-1. (a) What is the half-life for this reaction? (b) If you start with 0.050 M I2 at this temperature, how much will remain after 5.12 s assuming that the iodine atoms do not recombine to from I2?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
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
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
- The hydrolysis of the sugar sucrose to the sugars glucose and fructose, C12H22O11+H2OC6H12O6+C6H12O6 follows a first-order rate equation for the disappearance of sucrose: Rate =k[C12H22O11] (The products of the reaction, glucose and fructose, have the same molecular formulas but differ in the arrangement of the atoms in their molecules.) (a) In neutral solution, k=2.11011s1 at 27 C and 8.51011s1 at 37 C. Determine the activation energy, the frequency factor, and the rate constant for this equation at 47 C (assuming the kinetics remain consistent with the Arrhenius equation at this temperature). (b) When a solution of sucrose with an initial concentration of 0.150 M reaches equilibrium, the concentration of sucrose is 1.65107M . How long will it take the solution to reach equilibrium at 27 C in the absence of a catalyst? Because the concentration of sucrose at equilibrium is so low, assume that the reaction is irreversible. (c) Why does assuming that the reaction is irreversible simplify the calculation in pan (b)?arrow_forwardAt 573 K, gaseous NO2(g) decomposes, forming NO(g) and O2(g). If a vessel containing NO2(g) has an initial concentration of 1.9 102 mol/L, how long will it take for 75% of the NO2(g) to decompose? The decomposition of NO2(g) is second-order in the reactant and the rate constant for this reaction, at 573 K, is 1.1 L/mol s.arrow_forwardThe frequency factor A is 6.31 108 L mol1 s1 and the activation energy is 10. kJ/mol for the gas-phase reaction NO(g)+O3(g)NO2(g)+O2(g) which is important in the chemistry of stratospheric ozone depletion. (a) Calculate the rate constant for this reaction at 370. K. (b) Assuming that this is an elementary reaction, calculate the rate of the reaction at 370. K if [NO] = 0.0010 M and [O3] = 0.00050 M.arrow_forward
- The initial concentration of the reactant in a tirst-order reaction A —» products is 0.64 rnol/L and the half-life is 30.0 s. Calculate the concentration of the reactant exactly 60 s after initiation of the reaction. How long would it take for the concentration of the reactant to drop to one-eighth its initial value? How long would it take for the concentration of the reactant to drop to 0.040 mol/L?arrow_forwardFor a reaction involving the decomposition of a hypothetical substance Y, these data are obtained: Determine the order of the reaction. Write the rate law for the decomposition of Y. Calculate k for the experiment above.arrow_forwardOne possible mechanism for the decomposition of nitryl chloride, NO2CI, is What is the overall reaction? What rate law would be derived from this mechanism? What effect does increasing the concentration of the product NO2 have on the reaction rate?arrow_forward
- Sucrose, a sugar, decomposes in acid solution to give glucose and fructose. The reaction is first-order in sucrose, and the rate constant at 25 C is k = 0.21 h1. If the initial concentration of sucrose is 0.010 mol/L, what is its concentration after 5.0 h?arrow_forwardThe decomposition of sulfuryl chloride, SO2Cl2, to sulfur dioxide and chlorine gases is a first-order reaction. SO2Cl2(g)SO2(g)+Cl2(g)At a certain temperature, the half-life of SO2Cl2 is 7.5102 min. Consider a sealed flask with 122.0 g of SO2Cl2. (a) How long will it take to reduce the amount of SO2Cl2 in the sealed flask to 45.0 g? (b) If the decomposition is stopped after 29.0 h, what volume of Cl2 at 27C and 1.00 atm is produced?arrow_forwardAt 620. K butadiene dimerizes at a moderate rate. The following data were obtained in an experiment involving this reaction: t(s) [C4H6] (mol/L) 0 0.01000 1000.. 0.00629 2000. 0.00459 3000. 0.00361 a. Determine the order of the reaction in butadiene. b. In how many seconds is the dimerization 1.0% complete? c. In how many seconds is the dimerization 10.0% complete? d. What is the half-life for the reaction if the initial concentration of butadiene is 0.0200 M? e. Use the results from this problem and Exercise 45 to calculate the activation energy for the dimerization of butadiene.arrow_forward
- As with any drug, aspirin (acetylsalicylic acid) must remain in the bloodstream long enough to be effective. Assume that the removal of aspirin from the bloodstream into the urine is a lirst-order reaction, with a half-life of about 3 hours. The instructions on an aspirin bottle say to take 1 or 2 tablets every 4 hours. If a person takes 2 aspirin tablets, how much aspirin remains in the bloodstream when it is time for the second dose? (A standard tablet contains 325 mg of aspirin.)arrow_forwardThe decomposition of ozone is a second-order reaction with a rate constant of 30.6 atm1 s1 at 95 C. 2O3(g)3O2(g) If ozone is originally present at a partial pressure of 21 torr, calculate the length of time needed for the ozone pressure to decrease to 1.0 torr.arrow_forwardFor a first order gas phase reaction A products, k = 7.2 104s1 at 660. K and k = 1.7 102s1 at 720. K. If the initial pressure of A is 536 torr at 295C, how long will it take for the pressure of A to decrease to 268 torr?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Principles of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage Learning
Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage Learning
Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage Learning
Chemistry for Engineering StudentsChemistryISBN:9781337398909Author:Lawrence S. Brown, Tom HolmePublisher:Cengage Learning
ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
Principles of Modern Chemistry
Chemistry
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:Cengage Learning
Chemistry: The Molecular Science
Chemistry
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:Cengage Learning
Chemistry: Principles and Reactions
Chemistry
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:Cengage Learning
Chemistry: Principles and Practice
Chemistry
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Cengage Learning
Chemistry for Engineering Students
Chemistry
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Cengage Learning
Chemistry
Chemistry
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Kinetics: Initial Rates and Integrated Rate Laws; Author: Professor Dave Explains;https://www.youtube.com/watch?v=wYqQCojggyM;License: Standard YouTube License, CC-BY