Evaporation close evaporationThe process in which a liquid changes state and turns into a gas. is used to separate a soluble solid from a liquid. For example, copper sulfate is soluble in water ...

The focus is that matter, whether solid, liquid, or gas, is made up of particles; that dissolving and evaporation happen at the particle level; and that models can help explain these processes that we ...

Evaporation happens when water molecules at the surface ... Remind students that they have seen and used drawings and animations as models of a solid, liquid, and gas. Tell students that they will ...

A liquid/air interface provides an effective platform for organizing thin molecular layers that can be transferred to solid surfaces ... The rate of solvent evaporation also appears to be important.