Which changes of state result in a decrease in
the kinetic energy of the particles?
A. sublimation, melting, boiling
B. melting, freezing, evaporation
C. sublimation, deposition, melting
D. deposition, freezing, condensation

Respuesta :

Answer:

D. Deposition, freezing, condensation

Explanation:

The decrease in kinetic energy comes from the slowing down of the particles inside the substance. So as these particles begin to slow down they come closer together and begin to transform into a solid. D is the only option that ends with a solid of some state.

During deposition, freezing, and condensation the kinetic energy of the particles decreases.  

• The energy possessed by an object due to its motion is known as its kinetic energy.  

• Kinetic energy is higher when the particles are in free motion, and when the temperature of the particles is higher. In case, when freezing takes place, the kinetic energy decreases as during freezing the thermal energy of the particles decreases and at the same time the kinetic energy of the particles get decrease due to less motion of the particles in solid state.  

• The change of state from gas to a liquid is termed as condensation. The particles in liquid are more intact than in gaseous state, thus, gaseous particles possess more kinetic energy in comparison to particles present in liquid state. Thus, during condensation state, the kinetic energy of the particles decreases.  

• The phase transition in which gas converts into solid without passing through the liquid state is termed deposition.  

• Thus, in deposition state, the kinetic energy of the particles get reduced as the gaseous particles are getting converted into liquid particles.  

Thus, the correct answer is option D.  

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