Changes of State Answers

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

A
Atoms gain energy during evaporation and boiling.
B
Atoms lose energy during evaporation and boiling.
C
Atoms gain energy during evaporation but lose energy during boiling.
D
Atoms lose energy during evaporation but gain energy during boiling.
3

What happens if atoms lose energy during a change of state?

A
The atoms are pushed apart by repulsive forces and become less organized.
B
The atoms are pulled together by attractive forces and become less organized.
C
The atoms are pushed apart by repulsive forces and become more organized.
D
The atoms are pulled together by attractive forces and become more organized.
7

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

A
freezing and condensation
B
boiling and deposition
C
condensation and melting
D
vaporization and sublimation
9

What happens during evaporation?

A
A liquid changes to a gas.
B
A liquid changes to a solid.
C
A gas changes to a liquid.
D
A solid changes to a liquid.

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