Question

During which change of state would the volume of a substance increase the most?

Answer 1

Answer:

Change from solid to gas will bring about the highest change in volume.

Explanation:

Matter can be broadly classified into 3 states:

-Solid: In which the particles are held together by strong intermolecular forces which restricts their mobility. Thus, in the solid state particles have a definite shape and volume

-Liquid: Here the intermolecular forces of attraction are relatively weaker than solid as a result particles will have a definite volume but not the shape

-Gas: In the gas phase the particles experience very weak forces of attraction and are dispersed in space. Thus they neither have a definite volume or shape

For a system with the same number of particles, gases will have the highest volume. Thus the change from solid to gas will be accompanied by the greatest change in volume. This phase change process is termed as sublimation.

Answer 2

Hello there!

Answer: It would be:

- Sublimation.

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