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Byju's Answer
Standard XII
Chemistry
Derivation of Kp and Kc
For the given...
Question
For the given reaction at equilibrium:
A
g
N
O
3
(
s
)
⇌
A
g
(
s
)
+
N
O
2
(
g
)
+
1
2
O
2
(
g
)
If total pressure at equilibrium is
P
, then calculate
K
P
for the given reaction.
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Solution
A
g
N
O
3
(
s
)
⇌
A
g
(
s
)
+
N
O
2
(
g
)
H
2
O
(
g
)
At
a
0
0
0
t
=
0
At
a
−
x
x
x
x
/
2
t
=
t
e
q
K
P
=
P
N
O
2
×
(
P
O
2
)
1
/
2
; Total pressure
=
P
P
N
O
2
=
(
x
a
+
x
/
2
)
P
=
2
/
3
P
P
O
2
=
(
x
/
2
x
+
x
/
2
)
P
=
P
/
3
K
P
=
(
2
3
P
)
(
P
3
)
1
/
2
⇒
2
3
√
3
P
3
/
2
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Similar questions
Q.
For the equilibrium of the reaction,
H
g
O
(
s
)
⇌
H
g
(
g
)
+
1
2
O
2
(
g
)
,
K
p
for the reaction at total pressure of P is ________.
Q.
For a reaction
A
(
g
)
⇌
B
(
g
)
, if initial pressure at
300
o
C
is 1 atm and its
K
p
is 4,. Then calculate
P
B
at equilibrium state.
Q.
The equilibrium constant for the given reaction is
100
.
N
2
(
g
)
+
2
O
2
(
g
)
⇌
2
N
O
2
(
g
)
What is the equilibrium constant for the reaction given below?
N
O
2
(
g
)
⇌
1
2
N
2
(
g
)
+
O
2
(
g
)
.
Q.
The equilibrium constant
K
p
for the following reaction is
1
at
27
o
C
and
4
at
47
o
C
.
A
(
g
)
⇌
B
(
g
)
+
C
(
g
)
For the reaction calculate enthalpy change for the :
B
(
g
)
+
C
(
g
)
⇌
A
(
g
)
(Given:
R
=
2
c
a
l
m
o
l
−
1
K
−
1
)
Q.
k
c
for the reaction
N
2
O
4
(
g
)
⇋
2
N
O
2
is
4.63
×
10
−
3
at
25
o
C
a. what is the value of
K
p
at this temperature.
b. At
25
o
C
, if the partial pressure of
N
2
O
4
(g) at equilibrium is 0.2 atm, calculate equilibrium pressure of
N
O
2
(
g
)
.
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