isidracaleigh
Answered

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how can molecules with sufficient energy break the attractive forces that hold them in the liquid state when liquids

Sagot :

shinzohea6

Answer:

The state of a substance depends on the balance between the kinetic energy of the individual particles (molecules or atoms) and the intermolecular forces. The kinetic energy keeps the molecules apart and moving around, and is a function of the temperature of the substance and the intermolecular forces try to draw the particles together.

gases

average kinetic energy of the molecules is larger than average energy of attractions between molecules

lack of strong attractive forces allows gases to expand

liquids

denser than gases

have a definite volume

attractive forces not strong enough to keep molecules from moving allowing liquids to hold shape of container

solids

intermolecular forces hold molecules together and keep them from moving

not very compressible

crystalline – solids with highly ordered structures

Explanation:

Gas

assumes both the volume and shape of container is compressible diffusion within a gas occurs rapidly flows readily

Liquid

Assumes the shape of the portion of the container it occupies Does not expand to fill container Is virtually incompressible Diffusion within a liquid occurs slowly Flows readily

Solid

Retains its own shape and volume Is virtually incompressible Diffusion within a solid occurs extremely slowly Does not flow

state of substance depends on balance between the kinetic energies of the particles and interparticle energies of attraction

kinetic energies depends on temperature and tend to keep particles apart and moving

interparticle attractions draw particles together

condensed phases – liquids and solids because particles are close together compared to gases

increase temperature forces molecules to be closer together ® increase in strength of intermolecular forces

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