4. Alkanes and Cycloalkanes

Given two chair conformers of ${\mathrm{methylcyclohexane}}_{}$, one with the methyl group in the axial position and the other with the methyl group in the equatorial position, which conformer is more stable?

Which of the following best represents the equilibrium between the two chair conformations of ${\mathrm{methylcyclohexane}}_{}$?

Which of the following statements correctly describes the energy difference between the two chair conformations of $m_1$-methylcyclohexane?

Calculate the difference in Gibbs free energy between the alternative chair conformations of trans-4-iodo-1-cyclohexanol. 

Calculate the difference in Gibbs free energy between the alternative chair conformations of cis-2-ethyl-1-phenylcyclohexane.