The proposed mechanism for a reaction is
1. A(g) + B(g) <=> X(g) Fast
2. X(g) + C(g) <=> Y(g) Fast
3. Y(g) => D(g) Slow
What would be the rate law for the reaction?
The proposed mechanism for a reaction is 1. A(g) + B(g) <=> X(g) Fast 2. X(g)...
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 is proposed for a reaction. P + Q → A (fast) A + 2 Q → X + Y (slow) X → Z v. (fast) What would happen to the rate as the concentration of Q was increased? Write the net reaction. What is the RDS? Why? Why might step 2 be slower? What is/are the reaction intermediate(s)? Write an analogy for a mechanism and the rate determining step.
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:...
2) A proposed reaction mechanism for nitric oxide, NO, produced in hydrogen fueled jet engines 1s 2 NO(g) N202(g) N202(g) + H2(g) H20(g) +N20(g) N20(g) +H2(g) N2(g) + H20(g) fast slow fast a) Write a balanced equation for the overall chemical reaction (1/2 mark) b) Determine the theoretical rate law. (1 mark) c) Using the blank reaction progress diagram below sketch the energy profile of this exothermic reaction mechanism, labeling the positions of NO. H2,N 02, N2O, H2O, N2. (3...
A proposed mechanism for the reaction of NO_2 and CO is 2 NO_2(g) rightarrow NO(g) + NO_3(g) (Slow, endothermic) NO_3(g) + CO(g) rightarrow NO_2(g) + CO_2(g) (Fast, exothermic) a) Write the overall reaction. b) Identify each of the following as a reactant, product, , or intermediate, NO_2, CO, NO_3, CO_2, NO. c) Draw a reaction coordinate for this reaction. Indicate on this drawing the activation energy for each step and the overall enthalpy change. d) Give a plausible rate law.
4. Below is a proposed mechanism for a reaction: Step 1. Step 2. C+E-F Step 3. F G A B C+D Fast equilibrium Slow Fast A. (2 points) What is the overall stoichiometry for this reaction? B. (2 points) Which step is the rate determining step? C. (6 points) If this mechanism is correct, what should the rate equation for this reaction be? (Make sure you include the fast equilibrium)
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...
consider the overall reaction: AB(g) + CB(g) ⟶ A(g) + CB2(g) A proposed mechanism for this reaction is 2 AB(g) ⇌ AB2(g) + A(g) (fast) AB2(g) + CB(g) ⟶ AB(g) + CB2(g) (slow) Based on this mechanism, determine the rate law for the overall reaction. Express your answer in terms of k and the necessary concentrations (ex: k[X][Y]^2). Use brackets around the concentrations and the caret symbol prior to the exponent. Do not include any multiplication signs. Type in subscripts...
14. The reaction 2 H2(g) + 2 NO(g) ® N2(g) + 2 H2O(g) is proposed to have the alternate mechanism: 2 NO(g) ® N2O2(g) FAST N2O2(g) + H2(g) ® N2O(g) + H2O(g) SLOW N2O(g) + H2(g) ® N2(g) + H2O(g) FAST If the rate law is found to be Rate = k[H2][NO]2, could this support the proposed mechanism? Does the rate law indicate that the reaction is termolecular?
QUESTION 9 A proposed mechanism for the reaction 2NO(g) +2H2(g) → N2(g) + 2H2O(g): Step 1: 2NO(g) → N2O2(g) (very fast, reversible) Step 2: N2O2(g) + H2(g) → N2O(g) + H2O(g) (slow) Step 3: N2O(g) + H2(g) →N2(g) + H2O(g) (fast) What is the rate law for the overall reaction? k[N2O][H2] k[NO]2[H2] k[NO]2[H2]2 k[NO]1/2[H2] k[NO]2