8. (2 points) Consider the mechanism below Step 1 (slow) A2 BC AB+AC AB BC B2AC...
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]
Consider the following 2 - step reaction A + B2 + C → AB + BC (slow) A + BC → AB + C (fast) which of the following statements is/are correct? 1. The rate law is third order. 2. BC is a reaction intermediate. 3. C is a catalyst. A. none B. 2 & 3 only C. 1 & 2 only D. 1 & 3 only E. all
Consider the mechanism. Step 1: AB+C Step 2: C+ DE Overall: A+D- B+E slow fast Determine the rate law for the overall reaction, where the overall rate constant is represented ask. rate =
Consider the overall reaction and proposed mechanism. What step is rate determining (slow) if the rate law of overall reaction is Rate = k[A][BC] step 1: A + BC --> AB + C step 2: AB + D --> AD + B step 3: B + C --> BC overall reaction: A + D --> AD
Predict the overall reaction from the following two-step mechanism: 2 A→A 2(fast) A2+B→A2B(slow) Express your answer as a chemical equation. Predict the rate law from the following two-step mechanism: 2A⇌ A2 (fast) A2+B→A2B (slow)
A gaseous reaction occurs by a two-step mechanism, shown below. Step 1: A2 ⇄ 2 A fast Step 2: A + B → AB slow Which is the rate of the reaction?
Consider the mechanism. 2A - B slow Step 1: Step 2: Overall: B + C -→ D fast 2 A + C -- D Determine the rate law for the overall reaction, where the overall rate constant is represented as k.
Consider the following mechanism. Step 1: A+B → C slow step 2: A+C→ D fast overall: 2A+B → D Determine the rate law for the overall reaction (where the overall rate constant is represented as k). rate w
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...
#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...