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 reconverted into the water at the same temperature X by a process called S.

(a) How much is the value of X in Kelvin?

(b) What is the process R called?

(c) What is the name of the energy absorbed during the process R?

(d) What is process S known as?

(e) What is the name of energy released during the process S known as?

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Solution

(a) 373 Kelvin

The boiling point of water is $100^{\circ}$ C, that is 100 + 273 = 373K

(b) Vaporisation

(c) Latent heat of Vaporisation

(d) Condensation

(e) Latent heat of condensation (negative value of vaporization)

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(a) 373 Kelvin The boiling point of water is 100∘C, that is 100 + 273 = 373K (b) Vaporisation (c) Latent heat of Vaporisation (d) Condensation (e) Latent heat of condensation (negative value of vaporization)

(a) 373 Kelvin

The boiling point of water is $100^{\circ}$ C, that is 100 + 273 = 373K

(b) Vaporisation

(c) Latent heat of Vaporisation

(d) Condensation

(e) Latent heat of condensation (negative value of vaporization)