During the change of state , temperature does not rise or fall.what happens to the heat energy supplied or given out.explain
Answers
Answer:
The heat energy given out or supplied is used up in overcoming the forces of attraction between the particles of matter. As a result the temperature of the substance does not change.
Eg: Ice remains at 0ºC for a while even if heat is being supplied to it, because this heat energy is used up in breaking the forces of cohesion (attraction) between the molecules.
This heat is also known as latent heat (latent means hidden)
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When heat is supplied to a substance and its temperature does not change then heat energy is utilized in changing the phase of that substance either from solid to liquid or liquid to gas. This energy is stored as internal energy of the substance.
The heat energy given out or supplied is used up in overcoming the forces of attraction between the particles of matter. As a result the temperature of the substance does not change.
Eg: Ice remains at 0ºC for a while even if heat is being supplied to it, because this heat energy is used up in breaking the forces of cohesion (attraction) between the molecules.
This heat is also known as latent heat
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