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4) The endothermic process of an alcohol and a carboxylic acid reacting together to form an ester is known as esterification. The esterification of ethylpropanoate is, HO + OH HO a) On the graph below, sketch the potential energy change during this reaction. Indicate the reactants, products, activation energy, AH and where the activated complex sits on the graph. Don't forget a title and to label axes. (5 marks)

4) The endothermic process of an alcohol and a carboxylic acid reacting together to form an ester is known as esterification. The esterification of ethyl propanoate is, + HO + HO ОН a) On the graph below, sketch the potential energy change during this reaction. Indicate the reactants, products, activation energy, AH and where the activated complex sits on the graph. Don't forget a title and to label axes. (5 marks)

b) How would this graph change if a catalyst was introduced? How would it change if temperature was increased? (2 marks) c) Draw what the activated complex/transition state would look like. (2 marks)