17. The following mechanism has been proposed for the thermal decomposition of ozone in the gas...
19. Based on the following mechanism for the ozone thermal decomposition into molecular oxygen ki 03(g) 03(g) + O(g) k- * O2(g) + O(g) 202(g) (fast equilibrium) The expression of the following rate expression is given by B) kafj= kg 21 22 ka-k-3
The following mechanism has been proposed for the conversion of ozone to oxygen in the gas phase. step 1 fast: O3O step 2 slow: 03 + 0-202 (1) What is the equation for the overall reaction? Use the smallest integer coefficients possible. If a box is not needed, leave it blank. (2) Enter the formula of any species that acts as a reaction intermediate? If none leave box blank: (3) Complete the rate law for the overall reaction that is...
QUESTION 21 A proposed mechanism for the decomposition of ozone in the atmosphere is: Step 1: 03(g) + hv → O(g) + O2(g) Step 2: O(g) + O3(g) → 202(0) Does this reaction mechanism have an intermediate and/or catalyst? Only a catalyst Only an intermediate An intermediate and a catalyst More information is needed O Neither an intermediate nor a catalyst
Ozone decomposes to molecular oxygen: 2 O3(g) ⇋ 3 O2(g). The
following is a proposed mechanism for the reaction:
Step 1: O3(g) ⇋ O2(g) + O(g) (fast) Step 2: O3(g) + O(g) ⇋ 2
O2(g) (slow)
Provide a valid rate law for the overall ozone decomposition
reaction based on this mechanism.
4. Ozone decomposes to molecular oxygen: 203(g) — 3 O2(g). The following is a proposed mechanism for the reaction: Step 1: 03(g) – O2(g) + O(g) (fast) Step 2:...
12. The following mechanism is proposed for the decomposition of ozone (O3) to O2: 03 + M 02 + 0 + M 0+03 2 02 Apply the steady-state approximation to the concentration of atomic oxygen, and derive the rate law for the decomposition of ozone (M stands for a molecule that can exchange kinetic energy with particles undergoing the chemical reaction.)
12. The following mechanism is proposed for the decomposition of ozone (O3) to O2: 03 + M 02 +...
The gas-phase decomposition of ozone: 20,+302 Is believed to have the mechanism: 03 + M = 02 + 0 + M 0+ 0; * 202 Where M is any molecule. at d[0]/dt = 2 k,[0][0,1+k, 031 M)-k_1020) M (1 mark) b) Write down a similar expression for: "93) (2 marks) c) Use the steady-state approximation to find an expression for the concentration of the intermediate species O. (2 marks) d) Show that when the steady-state approximation for [O] is substituted...
4) Derive the rate law for the decomposition of ozone to molecular oxygen using the elementary steps provided below. The mechanism proposed for this process is assumed to be 03 4 0 + O2 0 +03 --202
Gaseous ozone undergoes decomposition according to the stochiometric equation: 203(g) →302 (g) Two alternative mechanisms have been proposed to account for this reaction. Mechanism 2 03 302 bimolecular, rate constant k Mechanism II 03 02 + fast equilibrium, equilibrium constant K1 0+ 03 — 202 slow, rate constant k2 A. Derive rate laws for the formation of O2 for each mechanism. B. Thermodynamic measurements give standard enthalpies of formation for each of the following species at 298 K: species AH°...
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
Question 9 (1 point) The decomposition of ozone is proposed to occur through different mechanisms: 203 F 302 The experimental rate law for this reaction has been found to be: = k [0312 Rate [02] Using the rate law given above, which of the following graphs best represents how the rate of the reaction is expected to change as the concentration of O3 is increased? Rate [03] O Rate u [03] Rate [03] Rate [03]