The latent heat of Vaporization of water is 2240( J / g) If the work done in the Process of expa

step 1 Hello students in the question it is given that the latent heat of vaporization of water is 2 24

The latent heat of Vaporization of water is 2240( J / g) If...

The latent heat of Vaporization of water is $2240(\mathrm{~J} / \mathrm{g})$ If the work done in the Process of expansion of $1 \mathrm{~g}$ is $168 \mathrm{~J}$. then increase in internal energy is ......... J
(A) 2072
(B) 2408
(C) 2240
(D) 1904

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Key Concepts

First Law of Thermodynamics

This fundamental law states that the change in internal energy of a system is equal to the net heat added to the system minus the work done by the system. It provides the basis for analyzing energy transfers during various processes, including those involving phase changes and expansion work.

Latent Heat

Latent heat is the amount of heat per unit mass required to change the state of a substance without changing its temperature. In phase transitions, such as vaporization, the heat absorbed or released is used to overcome intermolecular forces rather than changing the internal energy associated with temperature.

Work in Thermodynamic Processes

Work, in the context of thermodynamics, is the energy transferred when a system expands or contracts against an external pressure. In phase changes where expansion occurs, part of the absorbed heat is consumed to perform this work, reducing the amount available to increase the system's internal energy.

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