hexane

The Mystery of the Burning Water: An Update

Tom Kuntzleman loves to share chemical mysteries and that inspired me to create a list of mysteries that are appropriate for the main topics covered in IB Chemistry. In this blog post I'd like to share some detail about how I modified the mystery of the burning water.

Floating Squares

I was looking for a new demonstration to initiate a discussion about polarity and related properties to use as part of an exam review. I found a . It is entitled “” (see note below). I have placed both solutions together before, but I had not added the squares. The demonstration fulfilled my needs. I could have used the original video and muted it if I had not had hexane to demonstrate with.