00:01
We want to determine the re and see faces for each of these molecules here.
00:09
So what we're going to do is first, let's look at it as if we're coming from above.
00:16
So that's going to be like this arrow up top here.
00:21
Well, if we were to try to number this, so between these carbons and this oxygen, the oxygen is going to have higher priority, so that's going to be one.
00:30
Then we have a carbon with three hydrogens attached versus a carbon with two hydrogens and oxygen.
00:37
So that means the carbon on the right is going to have higher priority, so that's going to be two, and then this is going to be three.
00:43
So if we're looking down above on this side, we're going to rotate to the right.
00:52
So remember, that's going to be r if we were to think about it in terms of r and s...