This happens whether the substance is a solid, a liquid, or a gas. It’s not easy to see it happen in a solid but let’s try it for a liquid and a gas. See if you can tell that heat makes molecules move ...

This fun and bubbly experiment combines peroxide, yeast, and other stuff to demonstrate catalysts and exothermic reactions. Watch the heat-producing mixture bubble and overflow for up to half an hour.

C\) The actual value for the specific heat capacity of water is 4,200 J/kg°C. The calculated value does not match exactly but it is in the correct order of magnitude. All experiments are subject ...