There's a subreddit devoted to GIFs of chemical reactions . They are hypnotizing.
Sodium polyacrylate and water
Sodium polyacrylate can absorb over 200 times its mass in water.
Via: reddit.com
Fluorine reacting with hydrogen in a balloon
Source: i.imgur.com / via: reddit.com
A neodymium magnet falling through a copper pipe
Magnetic field equilibrium.
Source: img.pr0gramm.com / via: reddit.com
A kernel of corn popping
Source: i.imgur.com / via: reddit.com