Question

When water is cooled to a temperature x, it gets converted into ice at temperature x by a process called P. And when ice at temperature x is warmed, it gets reconverted into water at the same temperature x in a process called Q.

1. What is the value of temperature x in Kelvin ?
2. What is the process P known as ?
3. What is the name of energy released during process P ?
4. What is the process Q known as ?
5. What is the name of energy absorbed during process Q ?

Answer 1

1. 273K
2. The name of the process is freezing.
3. Latent heat of freezing
4. Melting
5. Latent heat of fusion