When water is heated to a temperature X, it gets converted into steam at temperature X by a process called R and when steam at temperature X is cooled ,it gets reconverted into water at same temperature X in a process called S
a.What is the value of X in kelvin?
b.What is the process R known as?
c.What is the name of energy released during process R?
d.What is the process S known as?
e.What is the name of energy released during process S?

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Solution

Dear student,

(a) the temperature at which liquid boils X = 373K
(b) the process R = boiling/ evaporation changing state from liquid to vapour
(c) the energy is absorbed during evaporation is called latent heat of vapourisation
(d) S= condensation when water vapours condenses into liquid
(e) the amount of energy released during condensation is called latent heat of condensation

Regards

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