55 Rank the species in each group in order of increasing nucleophilicity. a. CH –, –OH, –NH d. CH NH , CH SH, CH OH in acetone OH– F– c. + F + OH d. 32 3233 b. H O, –OH, –SH in CH OH e. –OH, F–, Cl– in acetone 23 c. CH CH S , CH CH O , CH COO in CH OH f. HS , F , Cl in CH OH

Non renewable resources like petroleum eventually

Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural. question 2 reflects a moral or social value. question 3 refers to something that can be measured. question 4 reflects a question that can’t be observed.