Which of the following represents a unimolecular elementary step in a reaction mechanism?
A) O + O3(g) → 2 O2(g)
B) 2 O3(g) → 3 O2(g)
C) O3(g) → O2(g) + O
D) O2(g) + O → O3(g)
E) O + O → O2(g)
Which of the following represents a unimolecular elementary step in a reaction mechanism? A) O +...
Which of the following expressions describes the rate of reaction for the elementary unimolecular process: O3 → 02 + O? O Rate of reaction = k[02] [O] O Rate of reaction = k[03] O Rate of reaction = k0313 O Rate of reaction = k02) [O] For the following elementary reaction: HF + NH3 + F + NH. The rate of consumption of the reactants and rate of formation of products is given by which set of expressions? O 4HF1...
Consider the mechanism proposed for the decomposition of ozone in the stratosphere: Step 1: O3 (g) → O2 (g) + O (g) Step 2: O3 (g) + O (g) → 2 O2 (g) Overall reaction: 2 O3 (g) → 3 O2 (g) What is molecularity of the first step? Unimolecular Bimolecular Termolecular Unable to predict
1. A three-step mechanism has been suggested for the formation of carbonyl chloride: Step 1: Cl2 ===> 2 Cl (fast equlibrium) Step 2: Cl + CO ===> COCl (fast equilibrium) Step 3: COCl + Cl2 ===> COCl2 + Cl (slow) What is the molecularity of the rate-determining step? unimolecular bimolecular termolelcular none of these 2. The elementary reaction representing the formation of ozone, O2(g) + O(g) + M(g) ===> O3(g) + M*(g) is an example of a _________ reaction. unimolecular...
A. Oz 28. Which of the following elementary reactions is unimolecular? sunlight → 02 +0 B. O2 + NO NO2 + O2 C. NO2 +O —— NO + O2
Question 1.b of 12 A reaction mechanism has the following proposed elementary steps: Step 1: A B +C Step 2: A+B →D Step 3: 2 A+D → C+E The overall reaction is 4 A 2 C + E. Which species are intermediates in this reaction? A) B and C B) B C) B and D D) D E) C and D
Question 7 1 pts The following two-step mechanism has been proposed for the gas phase decomposition of nitrous oxide: N20 (g) → N2 (g) + O (g) step 1 N20 (g) + O (g) - N2(g) + O2(g) step 2 Overall Reaction: 2 N20 (g) → 2N2 (g) + O2 (g) What is the molecularity of the first and second elementary steps of the mechanism? The first step is termolecular, and the second step is bimolecular, Both steps are bimolecular,...
reaction. The elementary reaction representing the formation of ozone: 026)+O(g) + M()O3(e)+M" () is an example of a bimolecular termolecular unimolecular tetramolecular
reaction. The elementary reaction representing the formation of ozone: 026)+O(g) + M()O3(e)+M" () is an example of a bimolecular termolecular unimolecular tetramolecular
2. Consider this two step mechanism for a reaction… Step 1 NO2 + O3 --> NO3 + O2 slow; rate determining step Step 2 NO3 + NO2 --> N2O5 fast a. What is the overall reaction? b. Identify the intermediates in the mechanism. c. Write the rate law expression for each step of the mechanism including any reversible reactions. c. What is the predicted rate law expression? Be sure to only list reactants from the overall equation and not intermediates...
Consider the mechanism below. Step 1: O, (g) + Br (g) BrO (g) + O, (g) Step 2: Bro (g) + O (g) Br (g) + 0 (s) Overall Reaction: 03 (g) +O (g) → 2 02 (g) The catalyst in this reaction is a) O3 b) BrO c) Br d) O2 6.