The claisen condensation converts 2 molecules of an ester into a β-keto ester. the reaction starts with the ester in an alkoxide/alcohol solution and is worked up with acid to form the neutral β-keto ester product. show the curved-arrow mechanism for the claisen condensation of ethyl ethanoate treated with ethoxide ion.

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.