A. The structures of the isomers of C6H10 that for 5 or 6-member rings.

2. complete the following structure for each of the following compound: e.g. write in H, Cl, CH3, etc.

a. (2R,4R)-2-bromo-4-methylhexane (pictured below)

7. A 0.5 gram sample of hoodia gordonii isolated from natural sources yields an observed rotation of -0.76° when dissolved in 20 mL of chloroform and placed in a 1-dm cell. Determine the specific rotation [α] of hoodia gordonii for:

(a) the entities as defined above,
(b) an increase in solute from 0.5g to 1.0 g;
(c) an increase in solvent from 20 mL to 40 mL; and (d) an increase in path length from 1 dm to 2 dm.



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