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Chem L5 - a Hydrogen bonding b The bonding of a hydrogen...

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Chem Lecture #5 Solid, liquids, gases Inner molecular force (IMF) Inert gas He, Ne, Ar I. Dispersion force= momentary dipole a. Everything with e- has dispersion force (I) b. Weakest IMF c. This force is greater for Xe than He i. More e- = greater dipole effect ii. Also good in molecules II. Dipole-Dipole Force (Polar) a. Molecule must be polar b. Second strongest IMF III. The “giant”
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Unformatted text preview: a. Hydrogen bonding b. The bonding of a hydrogen directly to an electronegative (F,N,O,(S)) H 2 O has all 3 types of IMF IV. Dipole- induced dipole a. CCl 4-liquid b. NaCl(aq) Na + +Cl-A student mixes 50.0 mL of CH 3 CH 2 OH(l) and 50.0 mL H 2 O(l). The resulting volume of the mixture is ~99.2 mL, due to IMF’s....
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