Answer the following questions based on the reaction below. At 213 K, the rate constant for this reaction is 2.91 /Ms and at 733 K the rate constant is 4.88x10 /Ms. 2dioxygen ozone +0 a. Determine the activation energy (EA) (in kl/mol) for this reaction. Report your answer to three significant figures in scientific notation. Submit Answer Tries 0/3 2. Determine the pre-exponential factor, A (in /M s) for this reaction. Report your answer to three significant figures in scientific notation (Please carry all the digits for EA calculated in part 1). Submit A Tries 0/3 Determine the rate constant (in /Ms) for this reaction at 1469 K. Report your answer to three significant figures in scientific notation (Please carry all the digits for A calculated in part 2). Sub Anwer Tries 0/3

Answer the following questions based on the reaction below. At 213 K, the rate constant for this reaction is 2.91 /Ms and at 733 K the rate constant is 4.88x10 /Ms. 2dioxygen ozone +0 a. Determine the activation energy (EA) (in kl/mol) for this reaction. Report your answer to three significant figures in scientific notation. Submit Answer Tries 0/3 2. Determine the pre-exponential factor, A (in /M s) for this reaction. Report your answer to three significant figures in scientific notation (Please carry all the digits for EA calculated in part 1). Submit A Tries 0/3 Determine the rate constant (in /Ms) for this reaction at 1469 K. Report your answer to three significant figures in scientific notation (Please carry all the digits for A calculated in part 2). Sub Anwer Tries 0/3

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 98CWP: A certain reaction has the form aAProducts At a particular temperature, concentration versus time...

See similar textbooks

Similar questions

Experimental data are listed here for the reaction A 2 B. (a) Prepare a graph from these data; connect the points with a smooth line; and calculate the rate of change of [B] for each 10-second interval from 0.0 to 40.0 seconds. Does the rate of change decrease from one time interval to the next? Suggest a reason for this result. (b) How is the rate of change of [A] related to the rate of change of [B] in each time interval? Calculate the rate of change of [A] for the time interval from 10.0 to 20.0 seconds.
From the given data, use a graphical method to determine the order and rate constant of the following reaction: 2XY+Z Time (s) 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 [X](M) 0.0990 0.0497 0.0332 0.0249 0.0200 0.0166 0.0143 0.0125
Phenyl acetate, an ester, reacts with water according to the equation The data in the table were collected for this reaction at 5 C. (a) Plot the phenyl acetate concentration versus time, and describe the shape of the curve observed. (b) Calculate the rate of change of the phenyl acetate concentration during the period 15.0 seconds to 30.0 seconds and also during the period 75.0 seconds to 90.0 seconds. Why is one value smaller than the other?
A certain reaction has the form aAProducts At a particular temperature, concentration versus time data were collected. A plot of 1/ [A] versus Lime (in seconds) gave a straight line with a slope of 6.90 102. What is the differential rate law for this reaction? What is the integrated rate law for this reaction? What is the value of the rate constant for this reaction? If [A]0 for this reaction is 0.100 M, what is the first half-life (in seconds)? If the original concentration (at t = 0) is 0.100 M, what is the second half-life (in seconds)?
Experimental data are listed here for the reaction B: Time (s) IB] (mol/L) 0.00 0.000 10.0 0.326 20.0 0.572 30.0 0.750 40.0 0.890 Prepare a graph from these data, connect the points with a smooth line, and calculate the rate of change of [B] for each 10-s interval from 0.0 to 40.0 s. Does the rate of change decrease from one time interval to the next? Suggest a reason for this result. How is the rate of change of [AJ related to the rate of change of [B] in each time interval? Calculate the rate of change of [AJ for the time interval from 10.0 to 20.0 s. What is the instantaneous rate, A[B]/Ar, when [BI = 0.750 mol/L?
6. Phenyl acetate, an ester, reacts with water according to the equation The data in the table were collected for this reaction at 5°C. Time (s) [Phenyl acetate] (mol/L) 0 0.55 15.0 0.42 30.0 0.31 45.0 0.23 60.0 0.17 75.0 0.12 90.0 0.085 Plot the phenyl acetate concentration versus time, and describe the shape of the curve observed. Calculate the rate of change of the phenyl acetate concentration during the period 15.0 seconds to 30.0 seconds and also during the period 75.0 seconds to 90.0 seconds. Why is one value smaller than the other? What is the rate of change of the phenyl acetate concentration during the time period 60.0 seconds to 75.0 seconds? What is the instantaneous rate at 15.0 seconds?
The initial rate for a reaction is equal to the slope of the tangent line at t 0 in a plot of [A] versus time. From calculus, initial rate = d[A]dt . Therefore. the differential rate law for a reaction is Rate = d[A]dt=k[A]n. Assuming you have some calculus in your background, derive the zero-, first-, and second-order integrated rate laws using the differential rate law.
Cyclobutane can decompose to form ethylene: The cyclobutane concentration can be measured as a function of time by mass spectrometry (a graph is nearby). Write an expression for the rate of reaction in terms of a changing concentration. Calculate the average rate of reaction between 10. and 30. s. Calculate the instantaneous rate of reaction after 20. s. Calculate the initial rate of reaction. Calculate the instantaneous rate of formation of ethylene 40. s after the start of the reaction.
Experiments have shown that the average frequency of chirping by a snowy tree cricket (Oecanthus fultoni) depends on temperature as shown in the table. Chirping Rate (per min) Temperature (C) 178 25.0 126 20.3 100. 17.3 What is the apparent activation energy of the process that controls the chirping? What is the rate of chirping expected at a temperature of 7.5C?
When heated, tetrafluoroethylene dimerizes to form octafluorocyclobutane. C2F4(g) C4F8(g) To determine the rate of this reaction at 488 K, the data in the table were collected. Analysis was done graphically, as shown below: (a) What is the rate law for this reaction? (b) What is the value of the rate constant? (c) What is the concentration of C2F4 after 600 s? (d) How long will it take until the reaction is 90% complete?