During which changes of state do atoms overcome the attractive forces between them?
Freida wants to model the way atoms move when a substance changes its state. To do this, Freida makes a pyramid of marshmallows. Then, she knocked down the pyramid causing the marshmallows to fall. If the marshmallows represent the atoms in the substance, which change of state is Freida modeling?
During which changes of state does the motion of the atoms decrease?
During which change of state would the volume of a substance increase the most?
Which statement best describes the energy changes associated with evaporation and boiling?
Which is the process by which a solid changes to a liquid?
As atoms gain energy, they move faster and slide past one another more easily. Atoms at the surface of the substance overcome attractions to nearby atoms and break free of the surface. Which change of state is taking place?
What happens if atoms lose energy during a change of state?
On a cool morning, Uyen’s breath can form a cloud when she breathes out. Which changes of state are most responsible for Uyen seeing her breath in this way?
What happens during evaporation?
Did you find these answers helpful?