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Question 6: Reaction Mechanisms (9 points) For the reaction: 2NO2 → 2NO + O2 Suppose there are two possible mechanisms to define a particular reaction. These two mechanisms are proposed below: 1. NO2 → NO + O (slow) O + NO2 → O2 + NO (fast) 2. 2NO2 → NO3 + NO (slow) NO3 → NO + O2 (fast) a) Identify the rate for each reaction and the order of each reaction. (4 points) b.) Identify the intermediate for each...
The elementary reaction 2NO2 (g) -> 2NO (g) + O2 (g) is second order in NO2 and the rate constant at 660 K is 5.23 M-1s-1. The reaction half-life at this temperature when [NO2]0 = 0.45 M is ____ s.
[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...
Which reaction has this k expression? K = [N,02] (O2)?[N] O 2NO+02 2 NO2 ON,O4 = 2 NO O2 NO2 + 2NO+ 02 O 2N2 + O2 = 2N,0 2N,0 = 2N, + 0, ON,O4 = N2 + 20, ONO2 + N,0 – 3NO
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?
Calculate ΔS∘rxn for the reaction 2NO(g)+O2(g)→2NO2(g) Substance S∘ (J/mol⋅K) NO2 240.0 O2 205.2 NO 210.8
2NO2 = 2NO + O2 initially 0.6 NO2 0.46 NO what is the value of kc Initially, 0.600 mol of NO2 is placed in a 1.00 L flask. At equilibrium, the concentration of NO was found to be 0.460 mol/L. is all the information I received
Consider the reaction for the production of NO2 from NO: 2NO(g)+O2(g)→2NO2(g) 1. If 85.3 L of O2(g), measured at 38.0 ∘C and 639 mmHg , is allowed to react with 150 g of NO, find the limiting reagent. 2. If 95.7 L of NO2 forms, measured at 38.0 ∘C and 639 mmHg , what is the percent yield?
At 1000 K, a sample of pure NO2 gas decomposes: 2NO2(g) ⇌ 2NO(g) + O2(g) The equilibrium constant, KP, is 158. Analysis shows that the partial pressure of O2 is 0.11 atm at equilibrium. Calculate the pressure of NO and NO2 in the mixture. Pressure of NO: __atm Pressure of NO2: __atm
15.58 At 1000 K, a sample of pure NO2 gas decomposes. 2NO2(g) = 2NO(g) + O2(g) The equilibrium constant Kp is 158. Analysis shows that the partial pressure of O2 is 0.25 atm at equilibrium. Calculate the pressure of NO and NO2 in the mixture.