Changes of State Answers

During which changes of state do atoms overcome the attractive forces between them?

A cylinder at left with balls evenly spaced throughout the cylinder with an arrow leading to a cylinder at right with balls stacked near the bottom of the cylinder.

A cylinder at left has balls stacked near its bottom with an arrow leading to a cylinder at right with balls evenly spaced throughout the cylinder.

Which statement best describes the energy changes associated with evaporation and boiling?

Which is the process by which a solid changes to a liquid?

A cylinder at left with balls stacked near the bottom of the cylinder has an arrow leading to a cylinder at right cylinder with balls in a layer on the bottom of the cylinder.

During which changes of state does the motion of the atoms decrease?

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?

Brian made this table to organize his notes on changes of state.Which change of state has the wrong energy change listed?

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.