help with all please

1. Convert each compound to a line angle (skeletal) structure, H . O C H 90 H H H 10: b H H 2. "Ecstasy" is an illegal stimulant. Determine the shape (molecular geometry) around each indicated atom. (2) (3) H (1)-O CH.CHNCH, CH MDMA "Ecstasy 3. Convert each compound to a condensed structure. 1 1 1 1 1 1 -------- | | | | 1 1 1 ------ | | | | | | H H H -II-OI C. H-CH H: H 1 1 1 ------- d. H -- H -- 4. Convert each condensed structure to a complete structure with all atoms, bonds and lone pairs drav in. a (CH3)2CHO(CH2)-CH3 b(CH3)3C(CH2)3Cbr3 c. (CH3)2CHCONH d (CH3)2CH CHO 5. For each of the molecules in number 5, identify all of the functional groups. Focu IMG_20220107_15...jpg IMG_20220107_15.jpg 6. Aspartame (trade name NutraSweet) is a widely used substitute sweetener, 180 times sweeter than table sugar. Identify the functional groups in aspartame. CCH CH C HO HN N - CHCH, H OCH, 0 aspartame 7. Classify each molecule as polar or nonpolar. a CH3OCH2CH3 b. (CH3CH2)2NH 8. Label each pair of compounds as constitutional isomers, identical molecules, or not isomers of each other. a CH-CH-CH-CH3 CH,CH_CH_CH_CHE CH2 - CH2 b and CH,(CH2).CH CH CH CH.CH and CHCH-CH=CH-CH3 and O d.CH, and CH CH2 - OCH OH 9. Draw a line angle (skeletal) structure for each compound. a. (CH3CH2)2CHCH2CH2CH3 b. CH.CH , CH,CHCHCHE CHCH, 10. Label each carbon in the following molecules as tetrahedral, trigonal planar, or linear. a b -C=CH 11. Mineral oil and Vaseline are both mixtures of alkanes, but mineral oil is a liquid at room temperature and Vaseline is a solid. Which product is composed of alkanes that contain a larger number of carbon atom, based on the information provided? Explain your choice. 12. Which compound in each pair has the higher melting point? or b or 13. A major component of animal fat is tristearin. (a) Identify the three functional groups in tristearin. (b) Label all the polar bonds. (c) Explain why tristearin will dissolve in an organic solvent like hexane but is insoluble in water. HC-0-C-(CH2)CH, OOO I H-C-0-C-(CH) CH3 O HC-0-C-(CH2)CH Insteann 14. Name the following compounds: a. b. C. 15. Draw the line angle (skeletal) structures given the names of the following compounds: a. 3-ethylpentane b. 3,3-diethyl-4-methyl-4-propylheptane 16. Draw the line angle (skeletal) structure of 2-bromo-3-methyloctane: 17. Predict all possible alkyl halides with the formula CH-Br that could be formed from the reaction of propane with Brz