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Unformatted text preview: Next to the box, indicate whether this reaction is endothermic or exothermic by circling the appropriate choice. H = kcal/mol ENDOTHERMIC EXOTHERMIC Sketch a reaction energy diagram for this transformation, using the template below. Assume that the absolute energy associated with the reactants is 0 kcal/mol. In your reaction energy diagram, label the positions of the reactants (as R ), the products (as P ), and the transition state ( ). Also label H in your diagram. Three possible structures of the transition state are shown to the right of the reaction energy diagram template. Circle the structure which best represents the transition state, based on your estimate of H and Hammonds postulate. A dotted line represents a partial bond. Energy (kcal/mol) Reaction Progress +20 20 40 HO C Br H H H H C H H Br HO C HO H H H Br...
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This note was uploaded on 05/14/2009 for the course CH 310M taught by Professor Iverson during the Spring '05 term at University of Texas at Austin.
- Spring '05
- Organic chemistry