Question

what happened to the kinetic energy of particles when heat energy equal to latent heat of fusion is supplied to a solid at its melting point explain

Answer 1

When a solid particle is experiencing a heat energy equals to the latent heat of fusion is supplied to a solid at its melting point, the increase kinetic energy of particle will increase which will results in weakening the particle-particle attraction in the solid particles.

Because of the weak force, the particles have experienced a low attraction force between them and finally, the solid will melts and changes its state as a liquid.

Answer 2

The kinetic energy of the particles would increase and lead to weakening the force between the particles in the solid. Thus, the solid will begin to melt and get converted into the liquid state.

Explanation:

• The amount of thermal energy required to convert a solid into a liquid at its melting point is called the latent heat of fusion.
• As we know, when the substance is heated, the kinetic energy of its molecules increases.
• Therefore, when the heat equivalent to the latent heat of fusion would be supplied a solid matter at its melting point, its kinetic energy would rise up to the extent of loosening the bond between the particles and the solid starts melting and change into the liquid state.

Learn more: Kinetic Energy

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