The following mechanism has been proposed for the formation of N₂ and H₂O from H₂ and nitrogen monoxide Step 1 Step 2 2 NO N₂0₂ N₂0₂ (fast, equilibrium) This is reversible N₂0 H₂0 (fast, equilibrium) This is reversible Step 3 N₂ + H₂O (slow, RDS) This is not reversible a. What is the overall reaction for this mechanism? Answer this question within the test and not on the scratch paper b. What are the intermediates if my exist? Answer this question within the test and not on scratch paper. c. Write a rate law for sach step of the mechanism and list the molecularity of each step. Be sure to include any reversible steps as well. Answer this question on the scratch paper clearly labeled d. What is the predicted rate low for this reaction? Be sure to show all your work to receive credit. Arswer this question on the scratch paper clearly labeled. e. What are the expected units for k given the time in units of seconds. Answer this question within the test and not on the scratch paper,

Determine the rate law and calculate the rate constant for this reaction: 2 NO (g) + Br₂(1)→2 NOBr (g) Initial [Br₂]/M Expt. 1 2 3 Initial [NO]/M 0.10 0.20 0.20 0.10 0.10 0.30 Initial rate/M.s-¹ 1.30 x 10-³ 5.20 x 10-³ 1.56 x 10-²

Consider the following reaction.  Calculate the rate of reaction for trial 4..    2 A + B →→  2 C Trial  [A]0 [B]0 [C]0 Rate (M/s) 1 0.28 0.43 0.053  7.668 2 0.56 0.43 0.053 15.336  3 0.28 0.86 0.053 30.672  4 0.77 0.45 0.053 ?

For the reaction mechanism below answer the questions.    Fast equilibrium             OH-   +  O2NNH2  --> O2NNH-   +     H2O   Slow                                                     O2NNH-       -->   N2O      +          OH-   a. What is the overall reaction?

Consider the reaction mechanism shown below Step 1. H₂O₂ + H₂O + 10. Step 2. IO + H2Oz H₂O + 02 + I What is the overall balanced chemical equation? H₂O2 → H₂O + O₂ none of the answers are correct O 2 H₂O2 → 2 H₂O + O₂ slow fast

Consider the following reaction. From the given choices of intermediates, choose the 5 related to this reaction and put them in order to describe the complete mechanism (all the steps involved) for this reaction.

How are the following aspects of a reaction affected by the addition of a catalyst? Increased activation energy of the forward reaction rate of the reverse reaction the overall reaction Decreased Hrxn the mechanism Answer Bank rate of the forward reaction What other aspects of a catalyzed reaction are different from the uncatalyzed reaction? Not affected activation energy of the reverse reaction

Chemistry The reaction. 2BrO₂(g) + O₂(g) → 2BrO₂(g) obeys the rate law: rate kobs[BrO₂1-10₂] (where kobs is the experimentally obser the following mechanisms is consistent with the experimental rate law? O Two-Step Mechanism: BrO₂(g) + O₂(g) BrO₂(g) + O (fast equilibrium) (slow) BrO₂(g) + O→ BrO(g) O All of these. O Two-Step Mechanism: BrO₂ + BrO₂ Br₂O4 (fast equilibrium) D Br₂O4 + O2 → 2BrO3 (slow) OTwo-Step Mechanism: BrO₂ + BrO₂ BrO3 + BrO (fast equilibrium) BrO + O₂ BrO3 (slow) O Two-Step Mechanism: BrO₂ + O2 BrO4 (slow) BrO4 + BrO₂ → 2BrO3 (fast) Hypochlorous acid (HCIO) is a weak acid with pK, 9.21. For a 0.10 M aqueous solution of nitrous acid, which of the following is true at equilibrium? O [H₂0] 6.2 x 10-10 M O [HCIO] - [CIO~] O [HCIO]=-0.10 M O [HCIO] -[H3O*] O [H30] -0.090 M. [CIO-] = 0.010 M Consider the following unbalanced oxidation-reduction reaction: CO(g) + 1₂0g(s)→ CO₂(g) + (5) How many electrons are transferred in this reaction if it is balanced? 08 04 06 O 10 05

Using the reaction and data in the table below answer the following series of questions.   Reaction NO conc. O2 conc. Initial Rate (M/s) 1 0.500 M 0.200 M 2.2 x 10-4  2 0.250 M 0.200 M 5.6 x 10-5 3 0.250 M 0.400 M 1.1 x 10-4 *conc = concentration a.  The reaction is                             order in regards to NO. b.  The reaction is                               order in regards to O2.

A kinetics study had these data for the reaction A +B+C→ Products. [A]o (M) [B]o (M) Initial Rate (10-3 M's) 180 [C]o (M) 0.4 0.4 0.2 0.2 0.4 0.2 45 0.4 0.1 0.2 10 0.2 0.1 0.2 5 0.2 0.2 0.4 20 What is the order of the reaction with respect to A?