Calculate the overall energy change in kilojoules per mole for the formation of CaCl( s ) from the elements. The following data are needed: E ea for Cl ( g ) = − 348 .6 kJ/mol E i1 for Ca ( g ) = + 589 . 8 kJ/mol E i2 for Ca ( g ) = + 1145 kJ/mol Heat of sublimation for Cs ( s ) = + 1 78 . 2 kJ/mol Bond dissociation energy for Cl 2 ( g ) = + 243 kJ per mol of Cl 2 ( g ) Lattice energy for CaCl 2 ( s ) = + 2258 kJ/mol Lattice energy for CaCl ( s ) = + 717 kJ/mol ( estimated )
Calculate the overall energy change in kilojoules per mole for the formation of CaCl( s ) from the elements. The following data are needed: E ea for Cl ( g ) = − 348 .6 kJ/mol E i1 for Ca ( g ) = + 589 . 8 kJ/mol E i2 for Ca ( g ) = + 1145 kJ/mol Heat of sublimation for Cs ( s ) = + 1 78 . 2 kJ/mol Bond dissociation energy for Cl 2 ( g ) = + 243 kJ per mol of Cl 2 ( g ) Lattice energy for CaCl 2 ( s ) = + 2258 kJ/mol Lattice energy for CaCl ( s ) = + 717 kJ/mol ( estimated )
Solution Summary: The author describes the steps required to draw Born-Haber cycle of ionic solids from its constituent elements.
Calculate the overall energy change in kilojoules per mole for the formation of CaCl(s) from the elements. The following data are needed:
E
ea
for Cl
(
g
)
=
−
348
.6 kJ/mol
E
i1
for Ca
(
g
)
=
+
589
.
8 kJ/mol
E
i2
for Ca
(
g
)
=
+
1145 kJ/mol
Heat of sublimation for Cs
(
s
)
=
+
1
78
.
2 kJ/mol
Bond dissociation energy for Cl
2
(
g
)
=
+
243 kJ
per mol of Cl
2
(
g
)
Lattice energy for CaCl
2
(
s
)
=
+
2258
kJ/mol
Lattice energy for CaCl
(
s
)
=
+
717
kJ/mol
(
estimated
)
Don't used hand raiting and don't used Ai solution
Don't used Ai solution and don't used hand raiting
OA. For the structure shown, rank the bond lengths (labeled a, b and c) from shortest to longest. Place your answer in
the box. Only the answer in the box will be graded. (2 points)
H
-CH3
THe
b
Н
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