Why would you get electrocuted if you went swimming in a pool during an electrical storm? (Hint: think about what people put in pools in
order to kill bacteria)

Asubstance is held in an open container. its particles move past one another at random speeds but do not leave the container. heat is removed from the system, and the particles slow down. when enough heat is removed, the particles no longer have enough speed to overcome the weak attractive forces between them. when this happens, the substance enters its solid state. the process described above is known as .