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.

(a) What is the value of temperature x in Kelvin ?
(b) What is the process P known as ?
(c) What is the name of energy released during process P ?
(d) What is the process Q known as ?
(e) What is the name of energy absorbed during process Q ?

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Solution

(a) 273K
(b) The name of the process is freezing.
(c) Latent heat of freezing
(d) Melting
(e) Latent heat of fusion

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Q. 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.
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(c) What is the name of energy released during process P?
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(a) 273K (b) The name of the process is freezing. (c) Latent heat of freezing (d) Melting (e) Latent heat of fusion

(a) 273K
(b) The name of the process is freezing.
(c) Latent heat of freezing
(d) Melting
(e) Latent heat of fusion