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Found in Tylenol and other medications, Acetaminophen is a pain reliever and fever reducer often used by millions of people.

 

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Take recommended dosage only.  If symptoms pursue, as a doctor.

C8H9NO2 + C8H9NO2: Forces of Attraction

If two molecules of acetaminophen were to bond, there would be three major forces of attraction that would be able to bond them: London Dispersion Forces, Dipole- Dipole, and Hydrogen Bonding.  London Dispersion Forces are the temporary poles created by the constant motion of electrons, which causes any and every molecule to be temporarily polar.  Because molecules become temporarily polar, the negatives and positivies slightly attract.  Dipole- Dipole is a type of bond that forms between two polar molecules, which are also known as dipoles.  Because acetaminophen is a dipole, the positive end (the side with the carbon chain) of the first molecule is attracted to the negative end (the side with the nitrogen atom) of the second molecule of acetaminophen.  Thirdly, Hydrogen Bonding bonds is yet another way two molecules of acetaminophen can bond.  Hydrogen Bonds occur between a positively charged hydrogen atom and a negatively charged oxygen, nitrogen, or fluorine atom.  In the case of two molecules of acetaminophen, there can be hydrogen bonds beween an of the hydrogen atoms and either of the oxygen atoms.

Example of Hydrogen Bonding:

Acetaminophen And It's Polarity

The chemical formula for acetaminophen is C8H9NO2.  Because of the variation of electronegativity, the unshared electron pairs, and the lack of "lines of symmetry", acetaminophen is a polar molecule.  First, the electronegativity, demonstrated by the arrows, is a factor in determining polarity.  For example, hydrogen has an electronegativity value of 2.2 and oxygen has an electronegativity value of 3.5.  Therefore, the hydrogen's electron will tend to get closer to oxygen, making the oxygen atom more negative.  The unshared electron pairs also factor into negativity because the more unshared electron pairs an atom has, the more negatively charged it is.  Thirdly, for a molecule to be nonpolar its must have 2 or more lines of symmetry.  Since acetaminophen has no lines of symmetry, it must be polar.  The more negative side of this molecule is the side with the nitrogen atom (purple) and the oxygen atom (turquois) because those two atoms have high electronegatvity and more unshared pairs.  The side with the carbon chain, therefore, is the more positive side.