Question

What is needed to change the phase of matter?

Answer 1

Answer:

Phase changes require either the addition of heat energy (melting, evaporation, and sublimation) or subtraction of heat energy (condensation and freezing). ... Changing the amount of heat energy usually causes a temperature change.

Explanation:

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Answer 2

Answer: Adding or subtracting energy from the system is necessary to alter the phase of matter. This results in a change in the arrangement of the molecules and the transition from one phase to another.

Explanation:

• One must either add or subtract energy from the system in order to alter the phase of matter. Heat or pressure can be used to add energy. Energy causes a material to change from a solid to a liquid or from a liquid to a gas when it is introduced because the molecules start to vibrate and move more quickly. Either melting or boiling are terms used to describe these processes.

• If energy is taken away from a material, on the other hand, the molecules start to move more slowly and may finally settle into a more ordered structure, leading the substance to change from a gas to a liquid or from a liquid to a solid. Condensation or freezing are the names for these processes, respectively.

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