Which of the following is an example of a chemical change? a. water evaporating from a puddle on a hot day b. burning a piece of toast c. cracking open an egg and removing the yolk d. steam condensing on the bathroom mirror

2-bromo-2-methylbutane undergoes an e1 elimination reaction in the presence of ethanol. in the next reaction only one of the possible products is represented. although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. complete the mechanism and draw the missing substances.