Dipole Moment of Water: Understand 105 Degrees & Impingement

In summary, the dipole moment of water is 1.85 debye and its bond angle is 105 degrees. The dipole moment can change with temperature and affects how it aligns with an external field.
  • #1
likephysics
636
2
I understand a little about dipole moment. Its like a compass which aligns itself when an external field is applied.
But a little fuzzy when it comes to dipole moment of water. why is it 105 degrees. How does this come into play when they are impinged with microwaves or time varying E field.
 
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  • #2
likephysics said:
But a little fuzzy when it comes to dipole moment of water. why is it 105 degrees. How does this come into play when they are impinged with microwaves or time varying E field.

The bond angle of water is 105 degrees. The dipole moment is 1.85 debye, so I'm not sure what you're asking.

Depending on the temperature and hence, the vibrational state of water, its dipole moment will change somewhat.
 
  • #3
How does the bond angle affect the dipole moment. How does it align compared to a regular dipole.
 

Related to Dipole Moment of Water: Understand 105 Degrees & Impingement

1. What is the dipole moment of water?

The dipole moment of water is a measure of the separation of positive and negative charges within a water molecule. It is a vector quantity, with both magnitude and direction.

2. Why is the dipole moment of water important?

The dipole moment of water is important because it explains many of the unique properties of water, such as its high surface tension and ability to dissolve polar molecules. It also plays a crucial role in the formation of hydrogen bonds between water molecules.

3. How is the dipole moment of water measured?

The dipole moment of water can be measured experimentally using techniques such as dielectric spectroscopy or polarimetry. It can also be calculated using the molecular structure of water and the charges on its atoms.

4. What is the significance of the 105 degree angle in the dipole moment of water?

The 105 degree angle in the dipole moment of water refers to the angle between the two hydrogen atoms in a water molecule. This angle is important because it creates an uneven distribution of charge, with the oxygen atom being slightly negative and the hydrogen atoms being slightly positive. This results in a net dipole moment for the molecule.

5. How does the dipole moment of water contribute to impingement?

Impingement is the process by which water molecules collide and stick to a surface. The dipole moment of water plays a role in this process by allowing the water molecules to interact with other polar molecules on the surface through hydrogen bonding. This results in a strong adhesion between the water and the surface, leading to impingement.

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