In my ChE 31 class about two weeks ago, we were learning about Raoult’s Law and liquid mixture compositions. At one point where we discussed super saturation for solid-liquid mixtures, Prof. Gilchrist was like “and this is how you would make rock candy!” Rock candy has always been one of my favorite types of candies, so I looked up on the internet on how to make rock candy at home. I found out that you have to over saturate sugar in hot water, and let it sit. However, the temperature and the saturation rate of sugar in water also plays a factor in texture and how well you can make your own rock candy. If you are really into making your own rock candy, here’s a video:
Chemistry is sweet!