The following mechanism describes a particular reaction.  HBr  +  O2  →  HOOBr  HOOBr  +  HBr  →  2 HOBr  2 HOBr  +  2 HBr  →  2 H2O  +  2 Br2  What is the role of HOOBr in this mechanism

1a. According to the mechanism of bromination, what is the intermediate’s structure of the following reaction 1b. According to the mechanism, what is the intermediate’s structure of the following reaction

Consider the following mechanism: Cl2 → Cl+ + Cl- Cl- + H2S → HCl + HS- Cl+ + HS- → HCl + S What is the role of Cl+?   A. product   B. intermediate   C. catalyst   D. reactant

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

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

a. b. C. d. e. 1. If for the reaction a b d e aX → by → 9 the rate law is determined to be r=[X]¹[Y]º the order of the reaction is 0 increasing the concentration of Y will have no effect on the rate increasing the concentration of X will have no effect on the rate increasing the concentration of Y will increase the rate of the reaction there is no way to determine the value of k 9 then

Energy (kJ) Energy (kJ) Why do catalysts increase reaction rate? Catalyst Effect on Reaction Path Examples. Catalytic Convertors Reactants Products Interpret the following potential energy diagrams (reaction coordinate diagrams) Reaction 1 Reaction 2 450T B. A+B Time Reaction coordinate, A B A + B → C 1. Which reaction is endothermic? 2. What is the activation energy of Reaction 1? 3. What is the AHrxn of reaction 1? 4. What is the activation energy of reaction 2? 5. What is the AHnn of reaction 2? 6. Sketch the effect of a catalyst on both reactions 7. Does a catalyst effect the AHrn?

True or False  _____ The kinetics of reaction deals with the energies of the products and the reactants. _____ Thermodynamics deals with reaction rates. _____ Understanding the reactions kinetics can help you understand the mechanism of a reaction. _____ Transition states are stable. _____ This is an example of an overall second order reaction (rate = kr[CH3Br][CH3-]) _____ The rate determining step is the step with the lowest activation energy.