Question

the temperature does not rise during the process of melting and boiling,though heat energy is constantly supplied?explain why?
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Answer 1

HERE IS YOUR ANSWER DEAR FRIEND!!!!!

The temperature doesn't rise during the melting and boiling, though heat is produced because the extra amount of heat is used up to break up the molecular bonding during the process of Boiling and evaporation.

In simple, this is known as the latent heat of Vaporisation.

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Answer 2

Answer: All the heat gets used up in Breaking the intermolecular attraction of the substance and as long as the substance has some sort of an interaction the heat supplied is not seen by us. As soon as the the molecular bonds are broken completely the substance starts changing its state from one to another form and hence then we can see a considerable change.Also as the heat is hidden and that's why it is known as latent heat.

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Explanation: