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Standard XII
Chemistry
Electrometallurgy
30. For the r...
Question
30. For the reaction, 1g mole of CaCO, is enclosed in 5L container CaCO3(s)--→ CaO(s) + CO2(g) Kp= 0.16 at 1073K then %rcent dissociation of CaCO3 is (1) Zero (3) 65% (4) 6.58%
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Q.
For the following reaction,
1
g
mole of
C
a
C
O
3
is enclosed in
5
L
container.
C
a
C
O
3
(
s
)
⟶
C
a
O
(
s
)
+
C
O
2
(
g
)
K
p
=
1.16
at
1073
K
, then percentage dissociation of
C
a
C
O
3
is:
Q.
For the reaction
1
g
mole of
C
a
C
O
3
is enclosed in
5
L
container
C
a
C
O
3
(
s
)
⇌
C
a
O
(
s
)
+
C
O
2
(
g
)
;
K
p
=
1.16
a
t
m
at
1073
K
then percentage dissociation of
C
a
C
O
3
is:
Q.
50
g
C
a
C
O
3
are heated to
1073
K
in a
5
L
vessel. What percentage of
C
a
C
O
3
would decompose at equilibrium? The value of
K
p
for the reaction.
C
a
C
O
3
(
s
)
⇌
C
a
O
(
s
)
+
C
O
2
(
g
)
is
1.15
a
t
m
at
1073
K
.
Q.
What is minimum mass (in g) of
C
a
C
O
3
(
s
)
will be required to establish the equilibrium
C
a
C
O
3
(
s
)
⇌
C
a
O
(
s
)
+
C
O
2
(
g
)
at
1000
K
in a
4
L
container previously containing
C
O
2
at
0.82
a
t
m
. Equilibrium constant
K
P
for the dissociation reaction
1.64
a
t
m
.
Q.
Equilibrium constant
K
p
for the reaction
C
a
C
O
3
(
s
)
⇌
C
a
O
(
s
)
+
C
O
2
(
g
)
is
8.21
atm at
727
0
C,
if
10
mole of
C
a
C
O
3
(
s
)
is placed in a
10
L container, what is the weight (in gm) of CaO formed at equilibrium.
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