Now try these problems. DO NOT STRESS OUT about how large or complicated the structures look; simply through each structure logically and follow the directions on this sheet until you can do it on your own. For number 5 and 6, convert from the line-angle structure to an expanded structure. H HT H --- - - H TH. CH 1. 3. ----- " -- - -c- CHH G- -- , " H ENH2 H H ------- -: H H : 6. 5. 4. 7. Based on the problems above, why do you think it is important to use line-angle structures