IMF f11-4

equilibrium basics imfs idenfying types present for

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Unformatted text preview: tween an N, F, or O and a H that is a=ached to an N, F or O •  London dispersion forces (LDF) –  Force between temporary or induced dipoles –  Everything has, increases in strength with increasing mass •  Ion ­dipole force –  Force between an ion and a molecule with a permanent dipole 4 9/6/11 What happens when compounds/molecules come together? •  Pure substances •  molecular understanding of states of ma=er •  IMF’s (iden<fying types present for given compound, predic<ng rela<ve strengths of IMF’s for different substances) •  rela<onships between IMF’s and physical proper<es (phase change temperatures, ΔHvap, viscosity, surface tension, vapor pressure, etc.) •  equilibrium basics •  “IMF’s (iden<fying types present for given compound, predic<ng rela<ve strengths of IMF’s for different substances)” CH3CH2CH2CH2CH3 Pentane CH3CH2CH2CH2OH Butanol...
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