The temperature remains constant during melting and all the ice changes into water. The enthalpy change associated with this process is due to _____________.

latent heat of fusion

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latent heat of vaporisation

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latent heat of evaporation

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latent heat of sublimation

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Solution

The correct option is A latent heat of fusion
Latent heat is the energy released or absorbed by a body during a constant temperature process. An example is a phase transition such as ice melting or water boiling. Heat absorbed during melting is called latent heat fusion.

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Similar questions

The amount of heat energy required to change 1 kg of solid into liquid at its melting point is known as ______________.

In which of the following processes does a change in state involve absorption of heat?
A. Freezing
B. Sublimation
C. Condensation
D. Melting

250 g

0^{\circ} C

0^{\circ} C

20^{\circ} C

336 J g^{- 1}

4.2 J g^{- 1}^{\circ} C^{- 1}

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