Chegg Guided Solutions for General Chemistry 6th Edition: Chapter 12
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(a)Dipole-dipole interactions are
attractive forces between polar molecules, that is, between
molecules that possess dipole moments. HCl molecules will have
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(b)If we place a
polar molecule near an atom (or a nonpolar molecule), the electron
distribution of the atom (or molecule) is distorted by the force
exerted by the polar molecule, resulting in a kind of dipole. The
dipole in the atom (or nonpolar molecule) is said to be an induced
dipole because the separation of positive and negative charges in
the atom (or nonpolar molecule) is due to the proximity of the
polar molecule. The attractive interaction between a polar molecule
and the induced dipole is called dipole-induced dipole interaction.
When a nonpolar gas is dissolved in water, dipole-induced dipole
interactions would occur between the gas and water molecules.
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interactions attract an ion (either a cation or an anion) and a
polar molecule to each other. An example, is the interactions
between ions of a salt and water molecules when the salt dissolves
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are attractive forces that arise as a result of temporary dipoles
induced in atoms or molecules. The interactions between helium (He)
atoms in a sample of liquid helium are dispersion forces.
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(e)van der Waals
forces refers to dipole-dipole, dipole-induced dipole, and
dispersion forces. Examples are given above.