In the following table are listed the rate constants for the decomposition of N2O5 at different temperatures:t, °Ck, sec 17.87 x 10-7253.46 x 10-5351.35 x 10-4454.98 x 10-4551.50 x 10 3654.87 x 103Determine the energy of activation and find the rate constant at 50°C.E,kJ/mol/sec"For the rate constant please use the format 1.00 x 10^-1

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Answered: In the following table are listed the…

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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For the gas phase decomposition of sulfuryl chloride at 600 K SO,C12→SO2 + Cl2 the following data have been obtained: [SO2C12], M 3.00x10-3 2.00x10-3 1.33x10-3 8.87x104 time, min 145 290 435 The average rate of disappearance of SO,Cl2 over the time period from t = 0 min to t= 145 min is M min-1
Please provide proper explanation of the concept and solution
3
The activation energy of an uncatalyzed reaction is 86 kJ/mol. The addition of a catalyst lowers the activation energy to 61 kJ/mol Part A Assuming that the collision factor remains the same, by what factor will the catalyst increase the rate of the reaction at 24 °C? Express the ratio to two significant digits. ke/ku = 2.2 • 1o Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B Assuming that the collision factor remains the same, by what factor will the catalyst increase the rate of the reaction at 128 °C? Express the ratio to two significant digits. ? ke/k, = 2.9 • 10² Submit Previous Answers Request Answer X Incorrect; Try Again; 8 attempts remaining
The activation energy for a reaction is determined to be 389.9 kJ. The rate constant at 20.5ºC is equal to 4.06 x 10-6 s-1. What is the rate constant at 34.9ºC for the reaction? Report your answer to the tenths place and using scientific notation (e.g. 1.27 x 103 or -1.27 x 10-3) and do not include units
2
For the gas phase decomposition of nitrogen dioxide at 383 °C 2 NO2 2 NO +02 the following data have been obtained: [NO2], M time, s 6.85x10 2 3.25x102 2.13x102 0 30.0 60.0 1.55x10-2 90.0 The average rate of disappearance of NO2 over the time period from t = 30.0 s to t = 60.0 s is Submit Answer Retry Entire Group 8 more group attempts remaining Ms.
A student obtained the following data for the gas phase decomposition of phosphine at 120 °C. PH3(g) 1/4 P4(g) + 3/2 H₂(g) 9.40x10-2 [PH3], M time, s 0 4.70x10-2 29.9 2.35x10-2 1.18x10-2 89.7 59.8 (1) What is the half-life for the reaction starting at t = 0 s? What is the half-life for the reaction starting at t = 29.9 s? Does the half-life increase, decrease or remain constant as the reaction proceeds? (2) Is the reaction zero, first, or second order? (3) Based on these data, what is the rate constant for the reaction?
For a drug to be effective in treating an illnens, its levels in the bloodstream must be maintained for a period of time. One way to measure the level of a drug in the body is to measure its rate of appearance in the urine. The rate of excretion of penicillin is first order, with a half-life of about 30. min. If a person receives an injecction of 21 mg of penicillin at t- 0, how much penicillin remains in the body after 3.0 hours? mg

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