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3. According to the mechanism 2NO ki ki N202 N202 + 02 -k2 → 2NO2 Under...
The reaction between nitric oxide (nitrogen monoxide) and oxygen gives nitrogen dioxide according to the stoichiometric...
The reaction between nitric oxide (nitrogen monoxide) and oxygen gives nitrogen dioxide according to the stoichiometric equation. 2 NO(g) 02(g)2 NO2(g) 1. Write the rate law expected if the reaction was found to occur in a single step The reaction is observed to be complex with the following mechanism is proposed: 2 NO N202 N202 2 NO N202 +02 → 2NO2 k2 kı k. -1 2. Use the steady state approximation to obtain the expression for the formation of NO2....
[17 Marks Q 2(b) The rate equation for the reaction 2NO + O2 -» 2NO2 was...
[17 Marks Q 2(b) The rate equation for the reaction 2NO + O2 -» 2NO2 was determined experimentally to be Rate kINO] [02]. Two mechanisms have been proposed for this reaction: Mechanism A Mechanism B 2NO N202 NO O2 NO3 NO3 + NO → 2NO2 N202 O22NO2 (i) Determine the rate equation for the formation of NO2 by both mechanisms. (i) Under what conditions will both of these mechanisms fit the experimental data? (i) Suggest one reason why either mechanism...
9. The reaction 2NO +O2 → 2NO2 is believed to occur by the following mechanism: 2NO ↔ N2O2 N2O2 +...
9. The reaction 2NO +O2 → 2NO2 is believed to occur by the following mechanism: 2NO ↔ N2O2 N2O2 + O2 → 2 NO2 a. Assume N2O2 to be in a steady state and derive the rate equation for the overall reaction. b. Under what condition does the rate equation reduce to second order kinetics in NO and first order kinetics in O2 at the same time?
Rates of Non-elementary reactions Class Activity Consider the following mechanism: 2NO N202 k-1 N...
step by step
Rates of Non-elementary reactions Class Activity Consider the following mechanism: 2NO N202 k-1 NzOz + C12-2+2 NOCI a. What is the net reaction? b. Which of the above species is an intermediate? Why? c. Find the rate of the overall reaction using the steady-state approximation. d. Repeat part (c) using the rate-determining step method, assuming the first-step is fast and at equilibrium and the second step is slow. 2NO N,02 (ast,at equilibrium) k-1 N202 + Cl2-22 NOCI...
Nitrogen dioxide decomposes to nitric oxide and oxygen via the reaction: 2NO2→2NO+O2 In a particular experiment...
Nitrogen dioxide decomposes to nitric oxide and oxygen via the reaction: 2NO2→2NO+O2 In a particular experiment at 300 ∘C, [NO2] drops from 0.0256 to 0.00889 M in 383 s . The rate of disappearance of NO2 for this period is ________ M/s. 1) 4.36×10−5 2) −9.01×10−5 3) 8.73×10−5 4) 2.29×104 5) 2.18×10−5
The following reaction mechanisms we have discussed to some degree during class: (kA 0.12 s) (kB...
The following reaction mechanisms we have discussed to some degree during class: (kA 0.12 s) (kB 1.98x10-16 cm3 molecule1 s') (kc 3.23x10-17 cm3 molecule1 s-1) (kD 1.00x10-12 cm3 molecule s1) (A) HNO3 OH NO2 (B) СО + О СО2 (C) NO2+ O3 NO3O2 (D) 2NO2 N2O4 (E) 2NO H2 N20 + H2O 1. 2NO N2O2 (k1,f= 1.00x10-14 cm3 molecule1 s-1) (ki,r 1.00x10-2 s1) (k2 1.00x10-16 cm3 molecule s1) (kF 0.001 s1 2. N2O2 H2 N20H20 (F) O3 hv O2 +...
The reaction of NO with O2 to give NO2 is an important process in the formation...
The reaction of NO with O2 to give NO2 is an important process in the formation of smog in any large city: 2NO+ O2 + 2NO2 Experiments show that this reaction is third order overall. The following mechanism has been proposed: NO + NON202 N202 + O2 NO2 + NO2 (a) If the second step is rate-determining, what is the rate law? e rate law? [NO] Rate = k2 [02] (6) Is this rate law consistent with the overall third-order...
ki Q3: The decomposition mechanism of 2 N2O(g) → 4NO2(g) + O2(g) is believed to follow...
ki Q3: The decomposition mechanism of 2 N2O(g) → 4NO2(g) + O2(g) is believed to follow the elementary reactions: (1) N203 → NO2 + NO3 (1') NO2 + NO3 → N20 k_1 (2) NO, + NO3 → NO, + O2 + NO kz (3) NO + N203 → NO2 + NO2 + NO2 kz Using the steady-state approximation, deduce the rate law for this reaction.
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 t...
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 +...
In the lower troposphere, ozone is one of the components of photochemical smog. It is generated...
In the lower troposphere, ozone is one of the components of photochemical smog. It is generated in air when nitrogen dioxide, formed by the oxidation of nitrogen monoxide from car exhaust, reacts by the following mechanism: k1 1) NO2(g)........................................> NO(g) + O(g) k2 2) O(g) + O2(g)...........................> O3(g), where k1= 6.0 x 10^-3 s^-1 ; k2= 1.0 x 10^6 L/mol.s ; (NO2) = 1.0 x 10^ -9 M and (O2) = 1.0 x 10 ^-2 M. Assuming that the...
The reaction between nitric oxide (nitrogen monoxide) and oxygen gives nitrogen dioxide according to the stoichiometric equation. 2 NO(g) 02(g)2 NO2(g) 1. Write the rate law expected if the reaction was found to occur in a single step The reaction is observed to be complex with the following mechanism is proposed: 2 NO N202 N202 2 NO N202 +02 → 2NO2 k2 kı k. -1 2. Use the steady state approximation to obtain the expression for the formation of NO2....
[17 Marks Q 2(b) The rate equation for the reaction 2NO + O2 -» 2NO2 was determined experimentally to be Rate kINO] [02]. Two mechanisms have been proposed for this reaction: Mechanism A Mechanism B 2NO N202 NO O2 NO3 NO3 + NO → 2NO2 N202 O22NO2 (i) Determine the rate equation for the formation of NO2 by both mechanisms. (i) Under what conditions will both of these mechanisms fit the experimental data? (i) Suggest one reason why either mechanism...
step by step
Rates of Non-elementary reactions Class Activity Consider the following mechanism: 2NO N202 k-1 NzOz + C12-2+2 NOCI a. What is the net reaction? b. Which of the above species is an intermediate? Why? c. Find the rate of the overall reaction using the steady-state approximation. d. Repeat part (c) using the rate-determining step method, assuming the first-step is fast and at equilibrium and the second step is slow. 2NO N,02 (ast,at equilibrium) k-1 N202 + Cl2-22 NOCI...
The following reaction mechanisms we have discussed to some degree during class: (kA 0.12 s) (kB 1.98x10-16 cm3 molecule1 s') (kc 3.23x10-17 cm3 molecule1 s-1) (kD 1.00x10-12 cm3 molecule s1) (A) HNO3 OH NO2 (B) СО + О СО2 (C) NO2+ O3 NO3O2 (D) 2NO2 N2O4 (E) 2NO H2 N20 + H2O 1. 2NO N2O2 (k1,f= 1.00x10-14 cm3 molecule1 s-1) (ki,r 1.00x10-2 s1) (k2 1.00x10-16 cm3 molecule s1) (kF 0.001 s1 2. N2O2 H2 N20H20 (F) O3 hv O2 +...
The reaction of NO with O2 to give NO2 is an important process in the formation of smog in any large city: 2NO+ O2 + 2NO2 Experiments show that this reaction is third order overall. The following mechanism has been proposed: NO + NON202 N202 + O2 NO2 + NO2 (a) If the second step is rate-determining, what is the rate law? e rate law? [NO] Rate = k2 [02] (6) Is this rate law consistent with the overall third-order...
ki Q3: The decomposition mechanism of 2 N2O(g) → 4NO2(g) + O2(g) is believed to follow the elementary reactions: (1) N203 → NO2 + NO3 (1') NO2 + NO3 → N20 k_1 (2) NO, + NO3 → NO, + O2 + NO kz (3) NO + N203 → NO2 + NO2 + NO2 kz Using the steady-state approximation, deduce the rate law for this reaction.
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 +...
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