Physical or Chemical Change/Phases (Dec2024)

Front

What is the process by which a gas changes to a liquid?

Back

Condensation

Front

What type of heat causes a gas to condense to a liquid?

Back

Decreasing

Front

In the gas phase, how are molecules arranged compared to the solid phase?

Back

Molecules are farther apart in the gas phase.

Front

What is the majority phase or state of matter in the universe?

Back

Plasma

Front

In which phase do molecules have the least kinetic energy?

Back

Solid

Front

What is evaporation?

Back

The process by which a liquid changes to a gas.

Front

What is boiling?

Back

The rapid vaporization of a liquid when it reaches its boiling point.

Front

What is the difference between physical and chemical changes?

Back

Physical changes alter the form of a substance without changing its identity, while chemical changes result in the formation of new substances.

Front

What happens to the kinetic energy of molecules during condensation?

Back

The kinetic energy decreases.

Front

What is plasma?

Back

A state of matter where gas is energized until atomic electrons are no longer associated with any particular atomic nucleus.