Chem 241 Spring 2008 Answers to Chapter 8 Practice Problem Question 1 Hydrochloric acid can be added across the carbon carbon double bond of A to produce product C as detailed below Cl CH3 H3C step a HCl CH3 H3C A step b Cl H H C B Sketch the energy diagram for the reaction above B Energy A C Reaction Progress 1 CH3 H3C Chem 241 Spring 2008 Question 2 The following energy diagram depicts the reaction of tert butanol with hydrochloric acid CH3 3COH CH3 3CCl HCl GActivation H2O GC B C Energy G GA B GB C GD C A B Greaction D Reaction Progress a Is the overall reaction endergonic or exergonic Exergonic b Match the following four species below with the labels A D on the energy diagram CH3 3CCl H2O CH3 3COH2 Cl CH3 3COH HCl CH3 3C H2O D B A Cl C 2 Chem 241 Spring 2008 On the energy diagram label the following c The energy of activation for the reaction d G for the overall reaction e G for each of the following A B D C B C and C B 3
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