1. A proposed mechanism for a reaction is: 1221 (rapid equilibrium) I + H2 = H2...
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...
The following mechanism has been proposed for the gas phase reaction of H2 with IC1: H2 (g) + ICl (g) HI (g) + HCl (g) HI (g) + ICl (g) I2 (g) + HCl (g) a) Write the balanced equation for the global reaction b) Identify the intermediaries of the mechanism c) Write speed equations for each elementary step of the mechanism d) If the first step is slow and the second is fast, what equation of velocity...
#13 Interpreting Mechanisms 1. Consider the following mechanism: Step 1 Br2 2Br fast Step 2 Br + H2 H2Br fast Step 3 H2Br + Br 2HBr slow a. What is the overall equation? b. Identify the intermediate(s) if any. c. What is the molecularity and the rate law for each step including any reversible steps? d. What is the predicted rate law expression for this reaction. Be sure to only list reactants from the overall equation and...
Name Wkst #16 CHEM& 162 1. Consider the following proposed reaction mechanism. 12 = 21 1 + O₂ → 10₂ + 0 0+ 03 - 202 1 +10, -12 + O2 A. What is the overall reaction? B. What are the intermediates and catalysts? Intermediates: Catalysts: C. If the first step is in equilibrium and the second step is slow. what is the overall rate law? Remember, intermediates cannot appear in the final rate law! Rate = D. On the...
Please answer each part with work shown. Thank you. 6. The following three mechanisms have been proposed for a particular reaction. Mechanism II Mechanism III Mechanisml H2 +NO-H2O+N (slow) N +NON2+0 (fast) O+H2-> H2O (fast) 2 NO-N202 (fast equilibrium) H2-N202-H20+ N3O (slow) H2+N20-H2O+N2 (fast) H2 + 2 NO- H2O+N2O (slow) N20+ H2N2+ H2O (fast) a) What is the overall reaction that each proposed mechanism supports? b) Calculate the ΔΗ'm for the overall reaction. c) For each mechanism, draw an energy...
1. The following mechanism has been proposed for the pas-phase reaction of chloroform and chlorine Ch> 20 (fast) CI + CHCI, - HCI +CCI, (slow) Cl + CCI - CCI (fast) a) Identify any intermediate(s): b) Identify any catalyst(s): b) Write the balanced equation for the overall reaction: c) Molecularity of each step: step 1. step 2. step 3 d) rds (circle): 1 2 3 d) What is the observable rate law predicted by this mechanism? e) What is the...
The formation of hydrazine N2H4(g) follows the proposed mechanism: Step I) N2 + H2 → N2H2 Step II) H2 + N2H2 → N2H4 If the second step is the slow step, write the rate law for the overall reaction. Show your work.
A proposed mechanism for a reaction is as follows: NO2(g) + NO2(g) + N204(8) Fast/Equilibrium Step N2048) -> NO(g) + NO3(g) Slow NO3(g) NO) + O2(g) Fast The target rate law is rate = k (NO2)2 The target reaction is 2NO2(e) 2NON + O2) A. Write the rate law expected for this mechanism: B. What is the rate-determining step? C. What is the overall balanced equation for this mechanism? D. If there is/are a reactive intermediate(s), which is/are they? E....
The following mechanism has been proposed for the gas-phase reaction of H2 with ICl: H2(g)+ICl(g)→HI(g)+HCl(g)HI(g)+ICl(g)→I2(g)+HCl(g) c) Write rate laws for each elementary reaction in the mechanism?Use a for [H2], b for [ICl] and k1 for the rate constant. d) Use c for [HI], d for [ICl] and k2 for the rate constant? e) If the first step is slow and the second one is fast, what rate law do you expect to be observed for the overall reaction? Use a...
Consider the overall reaction and proposed mechanism. step 1: A + BC --> AB + C step 2: AB + D --> AD + B step 3: B + C --> BC overall reaction: A + D --> AD What step is rate determining (slow) if the rate law of overall reaction is Rate = k[A][BC]