By supplying temperature molecular attractions between atoms under go breaking. Justify the sentence with an activity ?
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Question : For any substance, why does the temperature remain constant during the change of state?
answer:
The kinetic energy of particles in a substance is directly proportional to the temperature.
The relation is shown as;
K.E=
2
3
kT
Where K.E = Kinetic energy
k = Energy constant
T = Temperature
As temperature increases the kinetic energy of particles also increases but in case of a change of state, the energy supplied to the substance by increasing temperature is used to break the intermolecular forces between the particles so that the state can be changed.
Hence, the temperature remains constant as all the heat is used up and no external heat is released or absorbed.
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