(Q85) The tabulated data for a decomposition reaction that occurred at a certain temperature was graphed to yield a linear plot of inverse concentrations as a function of time. Given that the slope of this graph was positive, which of the following statements logically follows? O The reaction is second order O The reaction is zero order O The reaction is first order O The reaction is either zero order or second order O The reaction is either zero order or first order

(Q85) The tabulated data for a decomposition reaction that occurred at a certain temperature was graphed to yield a linear plot of inverse concentrations as a function of time. Given that the slope of this graph was positive, which of the following statements logically follows? O The reaction is second order O The reaction is zero order O The reaction is first order O The reaction is either zero order or second order O The reaction is either zero order or first order

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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The rate of a certain reaction is given by the following rate law: rate = k[NO] [0,] Use this information to answer the questions below. What is the reaction order in NO? What is the reaction order in 02? What is overall reaction order? At a certain concentration of NO and O2, the initial rate of reaction is 0.270 M / s. What would the initial rate of the M reaction be if the concentration of NO were halved? Round S your answer to 3 significant digits. the reaction is measure — 0.60 М and [O-] The rate to be 62.0 M / s when - 1 - 2 k = ||M [NO] 1.2 M. Calculate the value of the •S rate constant. Round your answer to 2 significant digits.
(Q89) The hydrolysis of sucrose to form fructose and glucose is a first order reaction that has a half life of 2.84 x 10° seconds at a certain temperature. If the initial concentration of sucrose is 0.879 M, how long (in minutes) will it take for the concentration to be reduced to 0.363 M? (3 sf)
Data for the decomposition of nitrosyl bromide: 2NOBrg) → 2NO(9) + Brz) is given below: ---- Time (s) [NOBI] (mol/L) Calculate the average rate of decomposition of nitrosyl bromide during the time interval 2.0 0.0071 4.0 0.0055 6.0 0.0045 8.0 0.0038 10.0 0.0033 0.0100 (a) 0 to 10 seconds (b) 2.0 to 4.0 seconds Plot the data then determine the specific rate at 7 seconds by drawing a line tangent to the curve.
Given the following data, determine the rate law for the reaction 2 NO(g) + O2g)22 NO2(g) Experiment [NO] (M) [O2] (M) Rate (M/s) 1 0.0300 0.0200 3.6 x 10-4 2 . 0.0600 0.0200 7.2 x 10-4 3 0.0600 0.0400 14.4 x 10-4 a) Determine the order of the reaction for each reactant, N, and 02. b) Write the rate law rate equation. ' ) ) Determine the value of the rate constant. (
Radioactive decay of 212Bi is observed to be a first-order process with a half-life (t½) of 4.00 days. It is noted that a 1.70 g sample of 212Bi decays over 12 days to leave only 0.213 g behind. What is the rate constant (k) for this process? a. 12.0 day–1 b. 0.250 day–1 c. 0.173 day–1 d. 5.77 day–1 e. none of these
The rate law for the reaction A2BM2(aq) + 2A(aq) + 2D(aq) → D2(aq) + 2A½Bm (aq) is rate = k(A2Bm2)(D). %3D What is the overall order of the reaction? O zeroth order O first order third order second order
Would this be zero order ?
Consider the rate law: Rate = k[NO][O,] Which of the following statements is FALSE regarding this rate law? O The value of k will increase with temperature. O The reaction is 2nd order overall. O The reaction is 1st order with respect to O2 The reaction is 2nd order with respect to NO.
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The decomposition of NO2(g) is second order with k = 0.55 M-1s-1 at a given temperature and when 0.300 mol of NO2 initially are placed in a 2.00 L container. 2 NO2 O2 + 2 NO What is the concentration (in M) of O2(g) at the same temperature after 2.0 minutes have elapsed? Enter your answer with two significant figures and no units.
11. Studies of radioactive decay of nuclei show that the decay rate of a radioactive sample is proportional to the amount of the radioactive species present. Once half the radioactivity has disappeared, the radioactive decay rate is only half of iti original value. Is radioactive decay a zeroth-order, first-order, or second-order process?
The decomposition of hydrogen iodide on a gold surface at 150 °C HI(g) → ½ H2 (g) + ½ I2 (g) is zero order in HI with a rate constant of 1.20×10-4 M/s How much time is required for the concentration of HI to drop to 9.40×10-2 M if its initial concentration is 0.525 M?