Question

When water is heated to a temp x⁰ it gets converted into steam at tempx by temp by a process called R and when steam at temp x is cooled it get re-converted into water at the same temp by a process called S
what is the name of energy released during the process S known as?
suggest two methods to liquify atmosphere gases

Answer 1

R-Vaporisation
S-Condensation
Energy released- Latent heat of condensation
Atmospheric gas can be liquified by,
(i) Increasing atmospheric pressure
(ii) Decreasing temperature