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chemistry homework
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Explanation & Answer
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1. Intramolecular bonding.
Reason:- Consider a vessel full of water. The water molecules are associatted by intermolecular
hydrogen bonding. When we heat the water in that vessel , it is found that these intermolecular bonding
breaks and change of state takes place( from liquid to gas). In a water molecule , there is two hydrogen
and one oxygen. The bond that holds these atoms are called intramolecular bonding. When the water as
reached its boiling point ( 100 degrees) , the water molecules , without breaking into it's constitutent
element goes to vapour state.
Hence , intramolecular bonding is stronger than intermolecular bonding
2. Enthalpy of fusion is the amount of heat required to change the state from solid to liquid state.
Enthalpy of vapourisation is defined as the amount of heat required to change the phase from liquid to
vapour. It is found that enthalpy of vapourisaion is 7 times larer than enthalpy of fusion , due to the fact
that , More amount of energy is needed to convert the water from liquid to vapour than converting it
from solid to liquid. This signifies that...