QUESTION 2 What is the role played by NO in the following mechanism? 03 + NO NO2 + 02 NO2 + O→ NO + O2 OA. spectator OB. product OC. reactant OD. catalyst OE. intermediate

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

The kinetic data shown below were observed for the reaction:    BF3 (g)     +   NH3 (g)    --------->      F3B·NH3 (g)   Trial # [BF3] (mol/L) [NH3] (mol/L) Rate (M/s) 1 0.250 0.250 0.2130 2 0.250 0.125 0.1065 3 0.200 0.100 0.0682 4 0.350 0.100 0.1193 5 0.175 0.100 0.0596   b.  What is the order with respect to [BF3]?     (Hint: provide the number for the order, i.e. fourth order = 4)

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.

QUESTION 5 The oxidation state of the metal atom is [Fe(H₂O).Cl]Br and the coordination number of the metal atom is in the complex:

Use the information provided in the table below to answer the next two questions. The reaction between reactants A and B was studied at-10 °C. The following results were obtained. Experiment Initial [A] (mol/L) Initial [B] (mol/L) Initial Reaction Rate (M/min) 1 0.10 0.10 0.18 0.10 0.20 0.36 3 0.20 0.20 1.45 11. What is the order with respect to [B]? (a) 1 (b) 2 (c) ½ (d) 0 12. What is the order with respect to [A]? (a) 1 (b) 2 (c) ½ (d) 0