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The water structure is H2O. The arrangement is like Mickey mouse. Oxygen linked with 2 hydrogen in both side with an angle. The water molecule form with a hydrogen bonds.

 

 The water structure is H2O. The arrangement is like Mickey mouse. Oxygen linked with 2 hydrogen in both side with angle.  

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The water molecule form with a hydrogen bonds. The hydrogen bonds are weak when compared to covalent bonds. When we are heating the water bonds will break and converted into vapour by absorbing heat. When we are cooling the water energy is utilized for formation of bonds strong. Two water molecules are combined to form a hole. The oxygen molecules are negative charge hydrogen bonds are positive charge. Due to this reason the water volume extend when frozen condition. So water bottle should not fill during freezing. If fill the water bottle it will break. 

 

The hydrogen bonds are weak when compared to covalent bonds. When we are heating the water bonds will break and converted into vapour by absorbing heat. When we are cooling the water energy is utilized for formation of bonds strong. Two water molecules are combined to form a hole. The oxygen molecules are negative charge hydrogen bonds are positive charge. Due to this reason the water volume extend when frozen condition. So water bottle should not fill during freezing. If fill the water bottle it will break.

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