Researchers at a university wanted to test their prediction…

Researchers at a university wanted to test their prediction that offering incentives would encourage donations. Members of the “treatment group” were offered a small gift certificate if they donated. Members of the “control group” were offered no special incentive. The researchers found that offering a gift certificate increased donations. What method of research did they use? 

Give a brief explanation of each of the following reactions…

Give a brief explanation of each of the following reactions and then show the reaction using the names of the reactants and products. a) a polymerization reaction showing the polymerization of 3-bromo prop-2-en-1-ol b) the esterification of propan-2-ol and 2,3-dibromo pentanoic acid