answer question 1 show all steps Ditto 14. Extra Kinetics Problems 1. The follow

Question

answer question 1 show all steps

Ditto 14. Extra Kinetics Problems 1. The following reaction has a 2nd order rate law: rate MINO JIF-] 2 No, (g) + F2(g) 2 NO:F(g) Propose a mechanism consistent with the observed rate la 2. Consider the mechanism shown. HI ICI 1,HCI a. b. c. Find the overall equation. Identify any reaction intermediates. Determine the molecularity of each step. For the reaction X: + Y + Z XY + XZ it is found that doubling the concentration tripling the concentration of Y triples the rate, and doubling the concentration of Z has no e 3, a. What is the rate law for this reaction? b. Why is it that the change in concentration of Z has no effect on the rate? c. Suggest a mechanism for the reaction that is consistent with the rate law. 4. Consider the reaction The following data are obtained at 360 K initial rate of disappearance of X (M/s) Xlinitiad 0.147 0.127 4.064 1.016 0.508 0.10 0.20 0.40 0.20 0.40 0.50 0.30 0.60 0.60 0.30 a. Determine the rate law for the reaction. b. Determine the order of the reaction. c. Determine the initial rate of disappearance of X when the initial concentrations respectively Consider the following elementary step: X + 2 Y XY

Explanation / Answer

1)

Rate depends on the slowest step

Lets make the 1st step as slowest

Then reactant in 1st step should have 1 molecule each of NO2 and F2

step 1: NO2 + F2 —> NO2F2 (slow step)

step 2: NO2F2 + NO2 —> 2 NO2F (fast step)

Adding both step should given overall reaction

Feel free to comment below if you have any doubts or if this answer do not work

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