1. (2 points) Give a complete name for the following compound.

5-chloro-2,4,5-trimethylheptane

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2. (2 points) Write an accurate structure for trans-1-isobutyl-4-isopropylcyclooctane.

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3. (3 points) Complete both chair structures below for the same compound:
trans-1-bromo-4-ethylcyclohexane. Use the indicated position as carbon 1.

Assuming bromine is larger than ethyl, predict the more stable conformation.

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4. (3 points) Write all three staggered conformations of 2-bromopentane, using Newman diagrams that look down the C2-C3 bond.

Assuming bromine is larger than methyl, predict the relative energies of the three conformations.