Bonding Concepts Worksheet - Unit 8/9, Michalek Page 23
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30AP Chemistry - Michalek
23
Unit 08 Bonding Concepts
8.7 The Covalent Chemical Bond: A Model—Read this section
Chemical bonds can be viewed as a force that causes a group of atoms to behave as a unit. Bonds result from the
tendency of a system to seek its lowest possible energy.
8. 8 Covalent Bond Energies and Chemical Reactions
Read and outline 8.8
Define
Single Bond
Double Bond
Triple Bond
What is the equation for ΔH
from unit 6?
f
What process is the formation of a bond?
When a bind breaks is energy absorbed or releases
from the molecule? What process is this?
Bond Type
Bonds
Shared electron pairs
Single
1
1
Double
2
2
Triple
3
3
ΔH
= nBE reactant – nBE products
Bond energies
Example 8.8a
Using the bond energies Calculate ΔH for the reaction
of methane with chlorine and Fluorine for give CF
Cl
2
2
with hydrofluoric and hydrochloric acid.
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