When a 1: 1 mixture of ethyl propanoate and ethyl acetate is treated with sodium ethoxide, four claisen condensation products are possible. draw the structure(s) of the product(s) that have a methyl group on the chiral center.

Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.

What must happen before a body cell can begin mitotic cell division

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?