What is the energy of activation for the following reaction? 10kJ/mol 15kJ/mol 20kJ/mol 30kJ/mol 35kJ/mol Which of the following energy diagrams describes a reaction with one intermediate? Which arrow(s) identifies the nucleophilic site(s) in the molecule shown? a and b b and c d e a and e Which arrow(s) identifies the nucleophilic center(s) in the molecule shown? a b c a and b b and c Identify the electrophilic site in the molecule shown