Question

define (a) fusion.(b) latest heat of vaporization. (c) melting point. (d). boiling point (e) latest heat of Fusion

Answer 1

a. the phenomenon of change of solid into liquid is termed as fusion.
b. latent heat of vaporisation is the heat energy required to change 1 kg of liquid into gas at atmospheric pressure at its boiling point.
c. the lowest temperature at which solid turns into liquid is called its melting point. 
d. the lowest temperature at which a liquid turns into gas is called its boiling point.
e. Latent heat of fusion is the amount of heat energy required to change 1 kg of solid into liquid at its melting point.
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Answer 2

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✌ DEFINITIONS ✌

✑ FÜßÌŒŅ :

The change of solid into liquid.

✑ ĽÆÞËŅȚ HÊÅȚ ØF VĄPŐÜŘĪßÆȚÏÕŃ :

The heat energy required to change 1 gm of liquid to gas at a constant temperature.

✑ BÖIĹÍÑĞ PÖĮŅŢ :

The process in which the liquid phase changes to gaseous phase at a constant temperature at a given pressure.

✑ ŁÅTÊŃŢ HĒĂÞ ÒF FŰßĮØŅ :

The heat energy required to convert 1 gm of solid completely into a liquid at a constant temperature.

✑ MËĻTĪŅĢ :

The process of converting solid into liquid at a constant temperature.

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