1. As always… Lon-Capa assignments Lecture videos Textbook Read
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2. Clicker Question How many of the following molecules are polar? I. COS
II. CCl4
III. XeF4
IV. SF4
a) b) c) 2 d) e) 4

5. Intermolecular Forces (IMFs)

6. Clicker Question
Identify the strongest intermolecular force for the given molecule
C2H6 NH3 CH3OCH3
a) LDF H-bond H-bond
b) dipole-dipole LDF dipole-dipole
c) H-bond H-bond dipole-dipole
d) LDF dipole-dipole dipole-dipole
e) LDF H-bond dipole-dipole

7. Chapter 16

8. Clicker Question
For which of the following mixtures is ΔHsoln expected to be the most positive?
a) C6H14 and C7H16
b) H2O and CH3CH2OH
c) (CH3)2CO and H2O
d) CH3CH2OH and CH3OH
e) C7H16 and H2O