Free interactive chemistry · SIM-RXN-001

Reaction sandbox

A reaction sandbox: drop any chemicals together and the engine predicts what happens — or explains why nothing does.

Open the interactive simulation →

How to use this simulation

  1. Drag chemicals from the Library into the workspace, or type a formula and press Enter.
  2. Set temperature, pressure, solvent and light or spark in “Conditions”.
  3. Press play and watch the reaction.
  4. Read “Analysis” for products and reasons, “Timeline” for the steps, and “Energy” for the energy profile.

What to notice

Try this

Try Zn + CuSO₄ and then Cu + ZnSO₄. Why does only one react?

Try it for free →