Question 2(a) A certain radical compound AB, decays rapidly by way of the reaction AB → A + B.The following data have been obtained:t/(s)[AB](mol dm³)0.128.490.627.870.967.251.606.673.205.204.004.775.753.95Graphically show that this follows second order and determine the rate constant of thereaction and the half-life of an AB radical.6(10)

Step 1: The integrated rate law for a second-order reaction is given to bewherein k is the rate…

Answered: Question 2 (a) A certain radical…

Chemistry

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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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Compound L decays by second order kinetics. You measure the concentration of L to be 2.49 M; 73 hours later, the concentration is 0.026 M. a) What is the rate constant for this reaction (in M-1 hr-1)?
1. (a) Show that decomposition of the organic compound 1,3-pentadiene is a second-order reaction and determine the rate constant. The concentration of 1,3-pentadiene was measured as a function of time. The data are as follows: (b) What is the value of the rate constant for the decomposition of 1,3-pentadiene.(c) What is the initial concentration for the reaction? Report to 3 significant figures.(d) What is the concentration of 1,3-pentadiene after 3.750 x10^3 s? Time(s) [1,3-pentadiene] (M) 0 .480 1000 .179 2000 .110 3000 .0795 4000 .0622 5000 .0510
The reaction A+2B ——> products was found to be first order to A and second order to B. While holding the concentration of A constant , the concentration of B is increased to 3 times its initial value . By what factor does the rate of reaction increase?
Define the following terms :(a) Pseudo first order reaction.(b) Half life period of reaction (t1/2).
A certain enzymatic reaction is found to be zero order with respect to the substrate being converted. The rate constant for the reaction is found to be 750 M s-1. The initial concentration of the substrate is 0.370 M. When the reaction is 50% complete, what is the rate of the reaction at that point? Give your answer in M s-1 but do not include units in your answer.
Consider the following proposed reaction mechanism: (1) CIO (aq) + H,O(1)= HCIO(aq) + OH (aq) [fast] (2)I (aq) + HCIO(aq) → HIO(aq) + Cl¯(aq) [slow] (3) OH (aq) + HIO(aq) → H,O() + 10 (aq) [fast] Ignoring water, how many reaction intermediates are present? O 3 O 1 O 2
The following data were obtained on the initial rates of a reaction of a d-metal complex in aqueous solution. What is (a) the order of reaction with respect to the complex and the reactant Y. (b) the rate constant? For the experiments (a) [Y] = 2. 7 mmol dm-3 and for experiments (b) ]Y] = 6.1 mmol dm-3[complex]/(mmol dm-3) 8.01 9.22 12.11v/(mol dm-3 s-1) (a) 125 144 190 (b) 640 730 960
The reaction of IC1 with hydrogen 2IC1 + H₂ → I2 + 2HCl is first order in IC1 and third order overall. Complete the rate law for this reaction in the box below. Use the form k[A] [B]", where '1' is understood for m or n and concentrations taken to the zero power do not appear. Don't enter 1 for m or n. Rate =
ST6C.3 - Radioactive iodine-131 decays with first-order kinetics (like all radioactive material) and has a half-life of 8 days. What percent of the original sample is left after. 32 days? 50% 8 days? 25% 64 days? 0.78% 12.5% 16 days? 1.56% 0.39% 6.25% 3.13%

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