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The answer is optical isomerism. Optical isomerism exists when a carbon has 4 different groups attached to it. In Butan-2-ol, the second carbon has a hydroxy group, ethyl group, a methyl group and a hydro...

When starting to consider a character or theme a good starting point is to write down your first impressions you had of this person when consider the text as a whole. We may wish to readjust these when we...

Firstly expand the brackets to make (y+3)(y+3)Next I find it easy to remember that you don't times anything together that's in the same bracket when expanding. So - y x y = y^2y x 3 = 3y3 x y = 3y3 x 3 = ...

Firstly, blood glucose in the hepatic portal vein increases after a meal and this is due to the hepatic portal vein transporting blood from the gut to the Liver. Therefore, blood glucose will increase as ...