CHE233 Final Questions And Answers

Determine the limiting reagent and excess reagent in the reaction you will perform in this experiment. correct answer: Limiting reagent- triglyceride Excess reagent- methanol unsaturated fatty acids correct answer: one/more C=C bonds saturated fatty acids correct answer: no C=C bonds The addition of water to sodium methoxide produces_________ & ________ correct answer: sodium hydroxide, methanol After completion of the experiment, where do you dispose of FAMEs? correct answer: Organic liquid hazardous chemical waste container The excess reagent in this reaction is required to shift the equilibrium to the right. correct answer: True How will you characterize your product in this experiment? What specific differences will you be looking for compared to the starting material? correct answer: Appearance of peak due to -OCH3 1H NMR Spectroscopy Disappearance of -CH2 peak due to triglyceride A chemical reaction in which an ester is converted into a new type of ester correct answer: transesterification A type of fuel synthesized by breaking down lipids from natural sources correct answer: biodiesel Fatty acid molecules with single bonds between all carbons correct answer: saturated fatty acid A molecule made up of glycerol connected to three fatty acid chains correct answer: triglyceride Fatty acid molecules with single bonds between some carbons and double bonds between some carbons correct answer: unsaturated fatty acid