Respuesta :
Explanation:
When water has changed state from liquid to vapour state then it means the heat provided by raising the temperature has been absorbed by water molecules.
Therefore, molecules of water has attained high energy and force of attraction between them becomes weak.
Since heat has been absorbed by liquid water so, it is an endothermic process.
We have that the water change from liquid water to steam,Hence Evaporation is necessary for this change to take place.
Chemical Reaction
Generally the equation for the Phase change is mathematically given as\
H2O(l) → H2O(g)
We see in this reaction that heat is applied on liquid to convert to a gaseous state,This kind of a process is seen a Evaporation of the the solution
Here water change from liquid water to steam,Hence Evaporation is necessary for this change to take place
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