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0307 Intermolecular Forces By Lesley Myrick1

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0307 Intermolecular Forces By Lesley Myrick1
03.07 Intermolecular Forces By Lesley Myrick
1. Determine the electronegativity between the atoms of each molecule.
Answer: H20: 3.5 – 2.1 = 1.4 CH4: 2.5 – 2.1 = 0.4 NH3: 3.0 – 2.1 = 0.9 Co2: 3.5 – 2.5 = 1.0

2. Identify the bond as either ionic or covalent. H20: Covalent CH4: Covalent CO2: Covalent NH3: Covalent

3. State whether the molecule is polar or non-polar.

H20: Polar Co2: Nonpolar CH4 Nonpolar NH3: Polar

4. Identify the structure as having hydrogen bonding, dipole-dipole moments or London dispersion forces (LDF).

H20 : Hydrogen Bonding CH4: LDF CO2: LDF
NH3: Hydrogen Bonding
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