32:32

Hydrazine Sulfate: GB1153483

17:54

Pyridine from Niacin

26:04

Making the Smell of Rain

10:30

Making awful Sulfur Chlorides from Sulfur

19:02

Distilling Sulfuric Acid with Some Mishaps

13:59

Iodine

26:01

Turning Aspirin into Tylenol

19:30

Sulfonation: p-Toluenesulfonic Acid