Chapter 11: Physical Properties and
Chemical Reactivity
121412022
, * Chemical Reactivity not covered
physical property
·
not changing chemical structure only composition
·
phase changes: changes in
energy
solid ->
liquid - gas
T
need
energy
& Kinetic energy)
The stronger the intermolecular force takes to break
the more
energy it
·
3 Types of intermolecular forces:
- between covalent bonds)
-
Dipole-dipole Interaction
interaction molecule when the partial charge
molecule
of one atom of the molecule
t t
-
opposing charge
-
is to
attracted the
van dev
of another molecule
waals Forces ·
Hydrogen onding
B
London Forces
-
phase changes
imp) [bp)
solid -
liquid <
gas
the stronger the intermolecular force the
higher the melting point (mp) or
boiling point
-
Chemical Reactivity
121412022
, * Chemical Reactivity not covered
physical property
·
not changing chemical structure only composition
·
phase changes: changes in
energy
solid ->
liquid - gas
T
need
energy
& Kinetic energy)
The stronger the intermolecular force takes to break
the more
energy it
·
3 Types of intermolecular forces:
- between covalent bonds)
-
Dipole-dipole Interaction
interaction molecule when the partial charge
molecule
of one atom of the molecule
t t
-
opposing charge
-
is to
attracted the
van dev
of another molecule
waals Forces ·
Hydrogen onding
B
London Forces
-
phase changes
imp) [bp)
solid -
liquid <
gas
the stronger the intermolecular force the
higher the melting point (mp) or
boiling point
-
