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sammy [17]
3 years ago
6

What causes hydrogen bonding between water molecules

Biology
2 answers:
earnstyle [38]3 years ago
4 0

Answer and explanation;

-The hydrogen bonding in water is a a result of partial negative charge on the oxygen of one molecule which forms a hydrogen bond with the partial positive charge on the hydrogen of other molecules.

-When molecules of water are close to each other, their positive and negative regions are attracted to the oppositely-charged regions of nearby water molecules. This force of attraction is called a hydrogen bond. Each water molecule is hydrogen bonded to four others.

-This important property of hydrogen bond occurs in polar molecules such as water which contains weak, partial negative charge at one region of a molecule and also a partial positive charge elsewhere in the molecule.

ipn [44]3 years ago
3 0
Hydrogen bonding occurs between a hydrogenatom and an electronegative atom (e.g., oxygen, fluorine, chlorine). The bond is weaker than an ionic bond or a covalent bond, but stronger thanvan der Waals forces (5 to 30 kJ/mol). A hydrogen bond is classified as a type of weak chemical bond.
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rodikova [14]

Answer:

The correct answer would be

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It is usually caused due to elongation of the eyeball or when the lens becomes too curved.

It can be corrected by using a concave or diverging lens of appropriate power.

Farsightedness or hyperopia is a condition in which a person can see the distant objects clearly but is unable to see the nearby objects distance clearly.

It is usually caused due to shortening of the eyeball or when the lens loses its curvature.

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