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A molecule with two strong bond dipoles can have no molecular dipole if the bond dipoles cancel each other out by pointing in exactly opposite directions. For example, in carbon dioxide (a linear molecule), the carbon-oxygen bonds have a large dipole moment. However, because one dipole points to the left and the other points to the right, the dipoles cancel and overall there is no molecular dipole.
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How might a molecule with two strong bond dipoles have no molecular dipole at all?
A molecule with two strong bond dipoles can have no molecular dipole if the bond dipoles cancel each other out by pointing in exactly opposite directions. For example, in carbon dioxide (a linear molecule), the carbon-oxygen bonds have a large dipole moment. However, because one dipole points to the left and the other points to the right, the dipoles cancel and overall there is no molecular dipole.
How might a molecule have a very strong molecule dipole?
A molecule can have a very strong molecular dipole moment if it has highly electronegative atoms interacting with less electronegative atoms, resulting in an unequal sharing of electrons. Additionally, a molecule can exhibit a strong dipole moment if it has a highly polar bond and a non-symmetrical molecular geometry that does not cancel out the overall dipole.
How might a molecule have a very strong dipole?
This is possible because electrical charges (positive or negative) are non-uniform distributed in the molecule.
How might a molecule have a very strong molecular dipole?
A molecule can have a very strong molecular dipole if it has highly polarized bonds, such as between atoms with large differences in electronegativity. Additionally, having a symmetrical geometry that enhances the overall dipole moment can also contribute to a strong molecular dipole.
Is benzil a polar molecule?
It might be tempting to think Benzil is a polar molecule because of the C=O bonds, but the high level of symmetry in the molecule cancels out any overall dipole and leaves the molecule non-polar.
How might a molecule with two strong bond dipoles have no molecular dipole at all?
A molecule with two strong bond dipoles can have no molecular dipole if the bond dipoles cancel each other out by pointing in exactly opposite directions. For example, in carbon dioxide (a linear molecule), the carbon-oxygen bonds have a large dipole moment. However, because one dipole points to the left and the other points to the right, the dipoles cancel and overall there is no molecular dipole.
How might a molecule have a very strong molecule dipole?
A molecule can have a very strong molecular dipole moment if it has highly electronegative atoms interacting with less electronegative atoms, resulting in an unequal sharing of electrons. Additionally, a molecule can exhibit a strong dipole moment if it has a highly polar bond and a non-symmetrical molecular geometry that does not cancel out the overall dipole.
How might a molecule have a very strong dipole?
This is possible because electrical charges (positive or negative) are non-uniform distributed in the molecule.
How might a molecule have a very strong molecular dipole?
A molecule can have a very strong molecular dipole if it has highly polarized bonds, such as between atoms with large differences in electronegativity. Additionally, having a symmetrical geometry that enhances the overall dipole moment can also contribute to a strong molecular dipole.
Why might a molecule be no polar even if it's bonds are all polar?
A molecule can be nonpolar even if it contains polar bonds if its overall molecular geometry is symmetrical. In such cases, the dipole moments of the polar bonds can cancel each other out, resulting in no net dipole moment for the molecule. For example, carbon dioxide (CO2) has polar C=O bonds, but its linear shape means the dipoles are equal and opposite, making the molecule nonpolar.
Is benzil a polar molecule?
It might be tempting to think Benzil is a polar molecule because of the C=O bonds, but the high level of symmetry in the molecule cancels out any overall dipole and leaves the molecule non-polar.
Is benzoic acid polar or nonpolar?
It is non polar because although it has a carbonyl group that is polar (as the oxygen is more electronegative than the carbon and so forms a dipole), this polarity is outweighed by the hydrophobic nature of the organic part of the compound.
What is a polar bond but isn't a polar molecule?
A polar bond is a covalent bond where the electrons are unequally shared between atoms, creating a separation of charges. However, if the molecule's geometry results in the symmetric distribution of these polar bonds, the overall molecule might not exhibit a net dipole moment, making it nonpolar.
What is the difference between a polar molecule and a dipole?
a polar molecule is a MOLECULE containing atoms of enough electronegativity difference to make the electrons to be more likely to be closer to the more electronegative atoms. A hydrogen bond is a type of BOND or interaction per se that results between polar molecules due to the electrical differences between a partial positive part and a partial negative part.
Why do greenhouse gases trap infrared radiation but not homonuclear molecules?
1) Absorption of IR radiation depends on the dipole moment of a molecule (which might be considered the tension on the shared electrons within the molecule). 2) In a homonuclear molecule (such as O2), the identical nuclei exert an identical pull on the shared electrons. The dipole moment is zero, and can interact with radiation of zero frequency and zero wavelength. Such radiation does not exist. 3) In a heteronuclear molecule such as water, the differing nuclei of oxygen and hydrogen exert an unequal pull on the shared electrons. This produces a non-zero dipole moment which is capable of interacting with infrared radiation, raising the molecule to a higher energy level. 4) Carbon dioxide (CO2) is a particular case. The oxygen atoms are at exactly opposite sides of the carbon. Although each side has a dipole moment, since the molecule is symmetrical it tends to cancel out. However, there is the possibility of movement of nuclei within the molecule. If the movement is symmetrical, there is no dipole moment. If the movement is asymmetrical, a dipole moment is temporarily produced. If there is infrared radiation present in the right orientation, interaction is possible. Therefore carbon dioxide is a fairly weak greenhouse gas. However, since it is being continually introduced into the atmosphere by human activity, its effect is being raised continually as well.
What are all the intermolecular forces when NACH3C00 is in water?
The compound is sodium acetate, and it is water soluble. When in water, it disocciates, forming Na+ ions and CH3COO- ions. These ions are then subject to water's strong polarity, so you will have some dipole-dipole interactions going on. Within those ions, you might have some dispersion forces going on as well, but those would be negligible.
When studying a molecule a chemist might make a model of the molecule to?
TO help visualize the molecule
