Here are four of my question, my professors wants us to represent this newman projection and sawhorse projection.
(1) a gauche conformation of hexane viewing down the C2-C3 bond
(2) the anti conformation of hexane viewing down the C2-C3 bond
(3) a gauche conformation of hexane viewing down the C3-C4 bond
(4) the anti conformation of hexane viewing down the C3-C4 bond