Question

question 1) explain the melting of a solid on the basis of the kinetic energy

question 2) explain explain the evaporation of a liquid on the basis of kinetic energy

Question 3) explain the liquefaction of a gas on the basis of kinetic energy

Question 4) explain the freezing of a liquid on the basis of kinetic energy

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Answer 1

Answer:

when the temperature increases the molecules of solid starts moving and kinetic energy of the molecule increases due to which it expands and change into its liquid state.

when the temperature increases the molecules of a liquid also starts moving rapidly and generate that much power that they can break the force of attraction and changes into its gaseous state.

when the pressure is applied and temperature is decreased the kinetic energy water molecules also decreases and therefore the gas change into its liquid state.

when more pressure is applied illiquid and temperature is decrease the kinetic energy also decreases due to which the liquid changes into its solid state

Answer 2

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✿Melting of a Solid :- As a Solid Is Heated, The Kinetic Energy Of the particles Increases with rising Temperature, the Particles vibrate more and more till they move away from their fixed positions At a particular Temperature called the Melting Point of the Solid. Thus, the Solids Becomes A Liquid.

✿Evaporation of a liquid :- the particles in the liquid are in continuous motion during which they collide among themselves if they collide strongly some of the particles may overcome the attractive force and escape. A liquid evaporates in this manner.

✿Liquefaction Of a Gas :- in the gaseous state the particles move very fast independently of each other as the temperature is lowered the kinetic energy of the particles is also lowered. when low energy gas particles collide with each other they form a cluster and the gas may condense into a liquid

✿Freezing Of A liquid :- as a liquid is cooled the kinetic energy of the particle decreases. The particles move shorter and shorter distance as the temperature is lowered at the freezing point. The motion of the particles ceases and the particles get rigidly fixed. This is how A Liquid changes to Solid

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