General Chemistry: Atoms First
2nd Edition
ISBN: 9780321809261
Author: John E. McMurry, Robert C. Fay
Publisher: Prentice Hall
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 12, Problem 12.45SP
The oxidation of Br− by BRO3−, in acidic solution is described by the equation
The reaction is first order in Br−, first order in BRO3−, and second order in H+.
- (a) Write the rate law.
- (b) What is the overall reaction order?
- (c) How does the reaction rate change if the H+ concentration is tripled?
- (d) What is the change in rate if the concentrations of both Br− and BRO3− are halved?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
(a) For a reaction, A + B > Product, the rate law is given by,Rate = k [A]1 [B]2 . What is the order of reaction?(b) Write the unit of rate constat ‘k’ for the first order reaction.
Assume that the formation of nitrogen dioxide:
2NO(g) + O2(g)
2NO2(g)
is an elementary reaction. (a) Write the rate law for this
reaction. (b) A sample of air at a certain temperature is
contaminated with 2.0 ppm of NO by volume. Under
these conditions, can the rate law be simplified? If so,
write the simplified rate law. (c) Under the conditions
described in part (b), the half-life of the reaction has been
estimated to be 6.4 × 103 min. What would the half-life
be if the initial concentration of NO were 10 ppm?
The following kinetic data are collected for the initial rates
of a reaction 2 X + Z→ products:
Experiment
[X ]o(M)
[Z]o(M)
Rate (M/s)
0.25
0.25
4.0 x 10!
0.50
0.50
3.2 x 102
0.50
0.75
7.2 x 102
(a) What is the rate law for this reaction? (b) What is the
value of the rate constant with proper units? (c) What is
the reaction rate when the initial concentration of X is
0.75 M and that of Z is 1.25 M?
2.
3.
Chapter 12 Solutions
General Chemistry: Atoms First
Ch. 12.1 - The oxidation of iodide ion by arsenic acid,...Ch. 12.1 - Prob. 12.2PCh. 12.2 - Consider the last two reactions in Table 12.2....Ch. 12.3 - The oxidation of iodide ion by hydrogen peroxide...Ch. 12.3 - Prob. 12.5PCh. 12.3 - Prob. 12.6CPCh. 12.4 - Prob. 12.7PCh. 12.4 - Prob. 12.8PCh. 12.5 - Prob. 12.9PCh. 12.5 - Prob. 12.10CP
Ch. 12.6 - Prob. 12.11PCh. 12.6 - Prob. 12.12PCh. 12.6 - Prob. 12.13PCh. 12.6 - Prob. 12.14PCh. 12.7 - Prob. 12.15PCh. 12.9 - Prob. 12.16CPCh. 12.10 - Prob. 12.17PCh. 12.11 - Prob. 12.18PCh. 12.12 - Prob. 12.19PCh. 12.13 - Prob. 12.20PCh. 12.13 - Prob. 12.21PCh. 12.14 - Prob. 12.22CPCh. 12.15 - Prob. 12.23PCh. 12 - The following reaction is first order in A (red...Ch. 12 - Consider the first-order decomposition of A...Ch. 12 - Prob. 12.26CPCh. 12 - The following pictures represent the progress of...Ch. 12 - Prob. 12.28CPCh. 12 - Prob. 12.29CPCh. 12 - The relative rates of the reaction A + B AB in...Ch. 12 - Prob. 12.31CPCh. 12 - Prob. 12.32CPCh. 12 - Prob. 12.33CPCh. 12 - Prob. 12.34SPCh. 12 - Prob. 12.35SPCh. 12 - Prob. 12.36SPCh. 12 - Prob. 12.37SPCh. 12 - Prob. 12.38SPCh. 12 - Prob. 12.39SPCh. 12 - Prob. 12.40SPCh. 12 - The oxidation of 2-butanone (CH3COC2H5) by the...Ch. 12 - Prob. 12.42SPCh. 12 - The reaction 2 NO(g) + 2 H2(g) N2(g) + 2 H2O(g)...Ch. 12 - Bromomethane is converted to methanol in an...Ch. 12 - The oxidation of Br by BRO3, in acidic solution is...Ch. 12 - Prob. 12.46SPCh. 12 - Prob. 12.47SPCh. 12 - Prob. 12.48SPCh. 12 - Prob. 12.49SPCh. 12 - The initial rates listed in the following table...Ch. 12 - Prob. 12.51SPCh. 12 - Prob. 12.52SPCh. 12 - The rearrangement of methyl isonitrile (CH3NC) to...Ch. 12 - Prob. 12.54SPCh. 12 - What is the half-life (in hours) of the reaction...Ch. 12 - Prob. 12.56SPCh. 12 - Prob. 12.57SPCh. 12 - Prob. 12.58SPCh. 12 - What is the half-life (in days) of the reaction in...Ch. 12 - Prob. 12.60SPCh. 12 - Prob. 12.61SPCh. 12 - Prob. 12.62SPCh. 12 - Prob. 12.63SPCh. 12 - Prob. 12.64SPCh. 12 - Prob. 12.65SPCh. 12 - Prob. 12.66SPCh. 12 - Prob. 12.67SPCh. 12 - Prob. 12.68SPCh. 12 - Prob. 12.69SPCh. 12 - Prob. 12.70SPCh. 12 - Prob. 12.71SPCh. 12 - Prob. 12.72SPCh. 12 - Prob. 12.73SPCh. 12 - Prob. 12.74SPCh. 12 - Prob. 12.75SPCh. 12 - Prob. 12.76SPCh. 12 - Prob. 12.77SPCh. 12 - Prob. 12.78SPCh. 12 - Prob. 12.79SPCh. 12 - Rate constants for the reaction NO2(g) + CO(g) ...Ch. 12 - Prob. 12.81SPCh. 12 - Prob. 12.82SPCh. 12 - Prob. 12.83SPCh. 12 - Prob. 12.84SPCh. 12 - Prob. 12.85SPCh. 12 - Prob. 12.86SPCh. 12 - Prob. 12.87SPCh. 12 - Prob. 12.88SPCh. 12 - Prob. 12.89SPCh. 12 - Prob. 12.90SPCh. 12 - Prob. 12.91SPCh. 12 - Prob. 12.92SPCh. 12 - Prob. 12.93SPCh. 12 - The reaction 2 NO2(g) + F2(g) 2 NO2F(g) has a...Ch. 12 - Prob. 12.95SPCh. 12 - Prob. 12.96SPCh. 12 - Prob. 12.97SPCh. 12 - Prob. 12.98SPCh. 12 - Prob. 12.99SPCh. 12 - Prob. 12.100SPCh. 12 - Sulfur dioxide is oxidized to sulfur trioxide in...Ch. 12 - Consider the following mechanism for the...Ch. 12 - Prob. 12.103SPCh. 12 - Prob. 12.104CHPCh. 12 - Prob. 12.105CHPCh. 12 - Prob. 12.106CHPCh. 12 - Consider three reactions with different values of...Ch. 12 - Prob. 12.108CHPCh. 12 - Prob. 12.109CHPCh. 12 - Prob. 12.110CHPCh. 12 - When the temperature of a gas is raised by 10 C,...Ch. 12 - Prob. 12.112CHPCh. 12 - Prob. 12.113CHPCh. 12 - Prob. 12.114CHPCh. 12 - Prob. 12.115CHPCh. 12 - Prob. 12.116CHPCh. 12 - Prob. 12.117CHPCh. 12 - Prob. 12.118CHPCh. 12 - Consider the following concentrationtime data for...Ch. 12 - Prob. 12.120CHPCh. 12 - Prob. 12.121CHPCh. 12 - Prob. 12.122CHPCh. 12 - Prob. 12.123CHPCh. 12 - Assume that you are studying the first-order...Ch. 12 - Prob. 12.125CHPCh. 12 - Prob. 12.126CHPCh. 12 - Prob. 12.127CHPCh. 12 - Prob. 12.128CHPCh. 12 - Use the following initial rate data to determine...Ch. 12 - Prob. 12.130CHPCh. 12 - The following experimental data were obtained in a...Ch. 12 - Prob. 12.132CHPCh. 12 - Prob. 12.133CHPCh. 12 - Prob. 12.134CHPCh. 12 - Prob. 12.135CHPCh. 12 - Polytetrafluoroethylene (Teflon) decomposes when...Ch. 12 - Values of Ea = 6.3 kJ/mol and A = 6.0 108 M1 s1...Ch. 12 - Prob. 12.138MPCh. 12 - The rate constant for the decomposition of gaseous...Ch. 12 - Prob. 12.140MPCh. 12 - Prob. 12.141MPCh. 12 - Prob. 12.142MPCh. 12 - Prob. 12.143MP
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 Raschig reaction produces the industrially important reducing agent hydrazine, N2H4, from ammonia, NH3, and hypochlorite ion, OCl−, in basic aqueous solution. A proposed mechanism is Step 1: Step 2: Step 3: What is the overall stoichiometric equation? Which step is rate-limiting? What reaction intermediates are involved? What rate law is predicted by this mechanism?arrow_forwardThe label on a bottle of 3% (by volume) hydrogen peroxide, H2O2, purchased at a grocery store, states that the solution should be stored in a cool, dark place. H2O2decomposes slowly over time, and the rate of decomposition increases with an increase in temperature and in the presence of light. However, the rate of decomposition increases dramatically if a small amount of powdered MnO- is added to the solution. The decomposition products are H2O and O2. MnO2 is not consumed in the reaction. Write the equation for the decomposition of H2O2. What role does MnO2 play? In the chemistry lab, a student substituted a chunk of MnO2 for the powdered compound. The reaction rate was not appreciably increased. WTiat is one possible explanation for this observation? Is MnO2 part of the stoichiometry of the decomposition of H2O2?arrow_forwardOne experimental procedure that can be used to determine the rate law of a reaction is the method of initial rates. What data are gathered in the method of initial rates, and how are these data manipulated to determine k and the orders of the species in the rate law? Are the units for k. the rate constant, the same for all rate laws? Explain. If a reaction is first order in A, what happens to the rate if [A] is tripled? If the initial rate for a reaction increases by a factor of 16 when [A] is quadrupled, what is the order of n? If a reaction is third order in A and [A] is doubled, what happens to the initial rate? If a reaction is zero order, what effect does [A] have on the initial rate of a reaction?arrow_forward
- When boron trifluoride reacts with ammonia, the following reaction occurs: BF3(g)+NH3(g)BF3NH3(g)The following data are obtained at a particular temperature: (a) What is the order of the reaction with respect to BF3, NH3, and overall? (b) Write the rate expression for the reaction. (c) Calculate k for the reaction. (d) When [ BF3 ]=0.533M and NH3=0.300M, what is the rate of the reaction at the temperature of the experiment?arrow_forwardThe decomposition of iodoethane in the gas phase proceeds according to the following equation: C2H5I(g)C2H4(g)+HI(g) At 660. K, k = 7.2 104 sl; at 720. K, k = 1.7 102 sl. What is the value of the rate constant for this first-order decomposition at 325C? If the initial pressure of iodoethane is 894 torr at 245C, what is the pressure of iodoethane after three half-lives?arrow_forwardConsider the reaction A + B ¡ C + D. Is each of the following statements true or false? (a) The rate law for the reaction must be Rate = k3A43B4. (b) If the reaction is an elementary reaction, the rate law is second order. (c) If the reaction is an elementary reaction, the rate law of the reverse reaction is first order. (d) The activation energy for the reverse reaction must be greater than that for the forward reaction.arrow_forward
- Consider the following reaction: 1. 2 N,O5 (g) → 4 NO, (g) + O, (g) The initial concentration of N2O5 was 0.48 mol/L, and 25 minutes after initiating the reaction, all of the N,Os has been consumed. (a) Calculate the average rate of the reaction over this 25-minute time interval. (b) Is it correct to assume that the rate law is Rate = k[N,O5]² based on the balanced chemical equation? Briefly explain your answer.arrow_forwardThe reaction 2 NO(g) + Cl2(g) → 2 NOCl has the following rate law: Rate = k[NO]2 [Cl2]. The initial speed of the reaction was found to be 5.72×10‒6 M/s when the reaction was carried out at 25 °C with initial concentrations of 0.500 M NO and 0.250 M Cl2. What is the value of k?(a) 1.83×10‒4(b) 1.09×104(c) 9.15×10‒5(d) 5.72×10‒6arrow_forwardAcetone is one of the most important solvents in organic chemistry. It is used to dissolve everything from fats and waxes to airplane glue and nail polish. At high temperatures, it decomposes in a first-order process to methane and ketene (CH2═C═O). At 600°C, the rate constant is 8.7 × 10−3 s−1. (a) What is the half-life of the reaction? Give your answer in scientific notation. (b) How long does it take for 38% of a sample of acetone to decompose? (c) How long does it take for 81% of a sample of acetone to decompose? Give your answer in scientific notation.arrow_forward
- The decomposition of XY is second order in XY and has a rate constant of 7.41 × 10−3 L·mol−1·s−1 at a certain temperature, the half-life for this reaction at an initial concentration of 0.101 mol·L−1 1336. A) If the initial concentration of XY is 0.225 mol·L−1, how long will it take for the concentration to decrease to 6.95 × 10−2 mol·L−1 ?, B) If the initial concentration of XY is 0.080 mol·L−1, what is the concentration of XY after 75 s ?arrow_forwardA second-order-reaction of the type A +2 B→ P was carried out in a solution that was initially 0.075 mol dm3 in A and 0.030 mol dm3 in B. After 1.0 h the concentration of A had fallen to 0.045 mol dm3. (a) Calculate the rate constant. (b) What is the half-life of the reactants? The rate constant for the decomposition of a certain substance is 1.70 x 10-2 dm³ mol-¹ s¹ at 24°C and 2.01 x 10-2 dm³ mol-¹ s¹ at 37°C. Evaluate the Arrhenius parameters of the reaction. A reaction 2 AP has a third-order rate law with k = 3.50 x 104 dmº mol2 s¹. Calculate the time required for the concentration of A to change from 0.077 mol dm3 to 0.021 mol dm³.arrow_forwardThe initial rate of the reaction is determined for different initial conditions, with the results listed in the table. (a) What is the overall reaction order? (b) What is the value of the rate constant, karrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage Learning
Chemistry: An Atoms First ApproachChemistryISBN:9781305079243Author:Steven S. Zumdahl, Susan A. ZumdahlPublisher: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
Chemistry
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Cengage Learning
Chemistry: An Atoms First Approach
Chemistry
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
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
Kinetics: Initial Rates and Integrated Rate Laws; Author: Professor Dave Explains;https://www.youtube.com/watch?v=wYqQCojggyM;License: Standard YouTube License, CC-BY