Quiz 5 Key

Quiz 5 Key - The extensive network of hydrogen...

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BME 201, Quiz 5, Sep. 6, 2011 Name:__________ Why is water a liquid and ethane a gas?  Keywords needed are underlined - Due to the electronegativity difference between oxygen and hydrogen, the  O-H bond   in water is polar . Hydrogen bonding between water molecules  is much stronger than the London  forces and dipole-dipole interactions in alkanes such as ethane.
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Unformatted text preview: - The extensive network of hydrogen bonds (H-bonds) between neighboring alcohol molecules makes it difficult for a molecule to leave the surface of the liquid. This leads to higher boiling point of water when compared to alkanes....
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This note was uploaded on 01/18/2012 for the course BME 201 taught by Professor Schmidt during the Fall '11 term at Purdue.

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