Answer to Question #101865 in Physical Chemistry for Garima

Question

Water boil at t centigrade then the latent heat of steam at t centigrade

Answer 1

In the process of vaporization, the temperature of steam and water will remain constant until all the water has evaporated. This phenomenon is explained by the fact that all energy (temperature) is directed to the conversion of water into steam. The process of boiling water, like any other substance, occurs with the absorption of heat. A significant part of the conducted heat is necessary for breaking bonds between water molecules.

Another part of the heat is spent on processes that occur during expansion of steam. As a result of heat absorption, the interaction energy between the vapor particles increases. This energy becomes more than the energy of interaction of water molecules.Thus, at the same temperature, the internal energy of the vapor becomes higher than the internal energy of the liquid.