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Predict Which molecules are more strongly attracted to one another—C 3 H 8 O molecules that make up liquid rubbing alcohol or CH 4 molecules that make up methane gas?

Respuesta :

C3H8O is referring to propan-2-ol, which is rubbing alcohol.

propan-2-ol has a -OH group while CH4 does not.

As the electronegativity difference between oxygen and hydrogen is high and each oxygen atom in propan-2-ol molecules has 2 lone pairs, it can form hydrogen bonds. Oxygen will bond with hydrogen atom in -OH in another molecule of propan-2-ol
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The molecules with strong attraction has been [tex]\rm C_3H_8O[/tex] molecules. that make up the rubbing alcohol.

Molecules have been given as the constituents elements in a fixed proportion in a repeating unit to form a compound.  Molecule has been the repeating unit of  a compound.

Attraction between Propanol and Methane molecules

The force of attraction in a molecule has been responsible for the bonding and stability of molecules in a compound.

The molecules have been attracted more with the polar charge and hydrogen bonding.

Propanol has been a constituent of carbon and oxygen. The electronegativity difference of oxygen and carbon has been mediating the polar charge to the elements and thus the formation of hydrogen bonding.

Methane has been lacking polarity and hydrogen bonding. The force of attraction in methane has been weak, van der wall force.

Thus, the molecules with strong attraction has been [tex]\rm C_3H_8O[/tex] molecules. that make up the rubbing alcohol.

Learn more about force of attraction, here:

https://brainly.com/question/807785

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