Question

Describe the phase changes using the kinetic molecular theory. Evaluate whether the changes require an increase or decrease in temperature.

Answer 1

Answer:

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Answer 2

QUESTION:-

Describe the phase changes using the kinetic molecular theory. Evaluate whether the changes require an increase or decrease in temperature.

ANSWER:-

• Temperature is a criterion of the average kinetic energy of particles of a substance. In order to formulate it in another manner, the hotter a substance is, the more rapidly its particles move on average.

• In a phase of a substance, the temperature of a solid increases as its particles move rapidly until it attains the point where the forces between its particles are no longer sufficiently strong to hold them together.

• Kinetic molecular theory leads to the breaking of the particles away from each other and moving extra freely and thus increasing their potential energy.

• Any energy that is added at that duration leads to an increase in the potential energy which results in a phase change rather than increasing the kinetic energy which increases the temperature.

• When the solid is fully melted into the liquid phase, with the add of additional energy the average kinetic energy of the particles will increase again which makes them move rapidly.

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