Last person to answer had incorrect work shown and was very unorganized. Please help 5) Consider the reaction shows below. A can decay to two products, labeled B and C.Both decay processes are first order. kj = 2.0 x 10* sec and k2 = 6.0 x 10ʻ sec".Suppose the initial concentrations are [A], = 1.50M and [B]o =[C]o =0.What are the concentrations of B and of C after all of the A has decayed?k1ВAk2

The given reaction is an example of parallel reaction. Parallel or competing reactions: When a…

5) Consider the reaction shows below. A can decay to two products, labeled B and C. Both decay processes are first order. ki = 2.0 x 10* sec"' and k2 = 6.0 x 10ª sec!. Suppose the initial concentrations are [A], = 1.50M and [B],=[C]o =0. What are the concentrations of B and of C after all of the A has decayed? A k2 B

5) Consider the reaction shows below. A can decay to two products, labeled B and C. Both decay processes are first order. ki = 2.0 x 10* sec"' and k2 = 6.0 x 10ª sec!. Suppose the initial concentrations are [A], = 1.50M and [B],=[C]o =0. What are the concentrations of B and of C after all of the A has decayed? A k2 B

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter11: Chemical Kinetics

Section: Chapter Questions

Problem 58E: Consider the hypothetical reaction A+B+2C2D+3E where the rate law is Rate=[A]t=k[A][B]2 An...

See similar textbooks

Similar questions

The rate constant for the radioactive decay of 14C is 1.21104 year-1. The products of the decay are nitrogen atoms and electrons (beta particles): C614N714+e rate =k[C614] What is the instantaneous rate of production of N atoms in a sample with a carbon-14 content of 6.5109M?
The radioactive isotope 64Cu is used in the form of copper(II) acetate to study Wilsons disease. The isotope has a half-life of 12.70 hours. What fraction of radioactive copper(II) acetate remains after 64 hours?
The half-life of tritium, 3H, is 12.26 years. Tritium is the radioactive isotope of hydrogen. (a) What is the rate constant for the radioactive decay of tritium, in y1 and s1? (b) What percentage of the original tritium is left after 61.3 years?
Technetium-99 is often used for assessing heart, liver, and lung damage because certain technetium compounds are absorbed by damaged tissues. It has a half-life of 6.0 h. Calculate the rate constant for the decay of T4399c.
Fluorine-18 is a radioactive isotope that decays by positron emission to form oxygen-18 with a half-life of 109.7 min. (A positron is a particle with the mass of an electron and a single unit of positive charge; the equation is F918O188+e+10 Physicians use 18F to study the brain by injecting a quantity of ?uoro-substituted glucose into the blood of a patient. The glucose accumulates in the regions where the brain is active and needs nourishment. (a) What is the rate constant for [lie decomposition of ?uorine-18? (b) If a sample of glucose containing radioactive fluorine-18 is injected into the blood, what percent of the radioactivity will remain after 5.59 h? (c) How long does it take for 99.99% of the 18F to decay?
Iodine-131 is used to treat tumors in the thyroid. Its decomposition is first-order with a half-life of 8.1 days. If a patient is given a sample containing 5.00 mg of I-131, how long will it take for 32% of the isotope to remain in her system?
Recently, the skeleton of King Richard III was found under a parking lot in England. If tissue samples from the skeleton) contain about 93.79% of the carbon-14 expected in living tissue, what year did King Richard III die? The half-life fur carbon-14 is 5730 years.
Hydrogen peroxide and the iodide ion react in acidic solution as follows: H2O2(aq)+3I(aq)+2H+(aq)I3(aq)+2H2O(l) The kinetics of this reaction were studied by following the decay of the concentration of H2O2 and constructing plots of ln[H2O2] versus time. All the plots were linear and all solutions had [H2O2]0 = 8.0 104 mol/L. The slopes of these straight lines depended on the initial concentrations of I and H+. The results follow: [I]0 (mol/L) [H+]0 (mol/L) Slope (min1) 0.1000 0.0400 0.120 0.3000 0.0400 0.360 0.4000 0.0400 0.480 0.0750 0.0200 0.0760 0.0750 0.0800 0.118 0.0750 0.1600 0.174 The rate law for this reaction has the form Rate=[H2O2]t=(k1+k2[H+])[I]m[H2O2]n a. Specify the order of this reaction with respect to [H2O2] and [I]. b. Calculate the values of the rate constants, k1 and k2. c. What reason could there be for the two-term dependence of the rate on [H+]?
Compare the functions of homogeneous and heterogeneous catalysts.
Hydrogen peroxide (H20i) decomposes into water and oxygen: H,O2(aq) — H,O(f) + ^O2(g) Ordinarily this reaction proceeds rather slowly, hut in the presence of some iodide ions (I-), the decomposition is much faster. Ihe decomposition in the presence of iodide was studied at 20°C, and the data were plotted in various ways. Use the graphs below to answer the questions that follow. What is the order of reaction for the decomposition of hydrogen peroxide? Find the numerical value of the rate constant at 20°C, including the correct units. Obtain an estimate of the initial rate of reaction in the experiment that produced the graphs (i.e., the rate at t = 0 in the graphs).
Consider the following reaction: CH3X+YCH3Y+X At 25C, the following two experiments were run, yielding the following data: Experiment 1: [Y]0 = 3.0 M [CH3X] (mol/L) Time(h) 7.08 103 1.0 4.52 103 1.5 2.23 103 2.3 4.76 104 4.0 8.44 l05 5.7 2.75 l05 7.0 Experiment 2: [Y]0 = 4.5 M [CH3X] (mol/L) Time(h) 4.50 103 0 1.70 103 1.0 4.19 104 2.5 1.11 104 4.0 2.81 l05 5.5 Experiments also were run at 85C. The value of the rate constant at 85C was found to be 7.88 108 (with the time in units of hours), where [CH3X]0 = 1.0 102 M and [Y]0 = 3.0 M. a. Determine the rate law and the value of k for this reaction at 25C. b. Determine the half-life at 85C. c. Determine Ea for the reaction. d. Given that the C8X bond energy is known to be about 325 kJ/mol, suggest a mechanism that explains the results in parts a and c.
Bacteria cause milk to go sour by generating lactic acid. Devise an experiment that could measure the activation energy for the production of lactic acid by bacteria in milk. Describe how your experiment will provide the information you need to determine this value. What assumptions must be made about this reaction?