Chemistry warm-up worksheet with answers, covering topics such as reactivity of LiAlH₄, aldehydes vs. ketones, and identification of imine and enamine structures.

A chemistry worksheet titled "WARM-UP" from GSS Leader Andrea, CHEM241 Doyle, with handwritten answers. The worksheet includes true/false questions about chemical reactivity, identification of imine and enamine structures, and reaction mechanisms involving compounds like dicyclohexylmethanone, 5-oxopentanoic acid, and 3-methylbutan-2-one. The page is labeled "Key!" and contains detailed chemical structures and reactions.