The dipole-dipole interaction in HCl is relatively weak; only 3.3 kJ/mol. (The covalent bonds between the hydrogen and chlorine atoms inHCl are 130 times as strong.) The force of attraction between HCl molecules is so small that hydrogen chloride boils at -85.0oC.

Lecture Notes KEYTuesday, March 30, 20109:56 AM

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Hydrogen bonding: http://www.youtube.com/watch?v=LGwyBeuVjhU&feature=related

http://www.youtube.com/watch?v=lkl5cbfqFRM&feature=related

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States of matter: http://www.youtube.com/watch?v=s-KvoVzukHo&feature=relatedhttp://www.youtube.com/watch?v=s -KvoVzukHo&feature=related

Vapor Pressure: http://www.mhhe.com/physsci/chemistry/animations/chang_2e/vapor_pressure.swf

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Sublimation of iodine http://www.youtube.com/watch?v=4fAOI6BeMZY&feature=related

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Wire melting ice http://www.youtube.com/watch?v=2mimXPlD2OU

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