CHAPTER 9 HOMEWORK KEY

CHAPTER 9 HOMEWORK KEY - CHAPTER 9 HOMEWORK KEY 28. For...

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Unformatted text preview: CHAPTER 9 HOMEWORK KEY 28. For each of the following molecules of ions that contain sulfur, write the Lewis structure(s), predict the molecular structure (including bond angles), and give the expected hybrid orbitals for sulfur. 34. Hot and spicy foods contain molecules that stimulate pain-detecting nerve endings. Two such molecules are piperine and capsaicin: C CH CH CH C C O C H 2 O CH CH CH CH C O N C H 2 CH 2 CH 2 CH 2 CH 2 piperine C CH CH CH C C H O C H 3 CH 2 NH C O CH 2 CH 2 CH 2 CH 2 CH CH C H CH 3 CH 3 capsaicin Piperine is the active compound in white and black pepper, and capsaicin is the active compound in chili peppers. a. Complete the Lewis structure for piperine and capsaicin showing all lone pairs of electrons. b. How many carbon atoms are sp, sp 2 and sp 3 hybridized in each molecule? c. Which hybrid orbitals are used by the nitrogen atoms in each molecule? d. Give approximate values for the bond angles marked a through l on the above structures. 36. Which of the following are predicted by the molecular orbital model to be stable diatomic species? 36....
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This note was uploaded on 07/22/2008 for the course CHEM 105A taught by Professor Bau during the Summer '04 term at USC.

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CHAPTER 9 HOMEWORK KEY - CHAPTER 9 HOMEWORK KEY 28. For...

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