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Byju's Answer
Standard XII
Chemistry
System, Surroundings, Intensive, Extensive Properties
For 2A(g) —–>...
Question
For 2A(g) ----->B(g)+3C(g),pressure of A at t=0 is 500mm, then total pressure of A, B&C at t=10min is?
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Q.
A
(
g
)
→
2
B
(
g
)
+
C
(
g
)
Initially at t = 0 gas A was present along with some amount of gas C. At At t = 0, the mole fraction of gas C is
1
3
. After some time
t
=
t
1
, the total pressure is half of the final total pressure at
t
=
t
x
(a very long time). Assume this decomposition to follow first order kinetics (at a constant temperature). It is also given at
t
=
t
x
, the final total pressure is 35 bar.
At
t
=
t
1
pressure of gas B is.
Q.
A
(
g
)
→
2
B
(
g
)
+
C
(
g
)
Initially at t = 0 gas A was present along with some amount of gas C. At At t = 0, the mole fraction of gas C is
1
3
. After some time
t
=
t
1
, the total pressure is half of the final total pressure at
t
=
t
x
(a very long time). Assume this decomposition to follow first order kinetics (at a constant temperature). It is also given at
t
=
t
x
, the final total pressure is 35 bar.
At
t
=
t
1
pressure of gas B is.
Q.
A
(
g
)
→
2
B
(
g
)
+
C
(
g
)
Initially at t = 0 gas A was present along with some amount of gas C. At At t = 0, the mole fraction of gas C is
1
3
. After some time
t
=
t
1
, the total pressure is half of the final total pressure at
t
=
t
x
(a very long time). Assume this decomposition to follow first order kinetics (at a constant temperature). It is also given at
t
=
t
x
, the final total pressure is 35 bar.
Ratio of rate constant at t = 0 to
t
=
t
1
to
t
=
t
x
is:
Q.
For a reaction
A
B
(
g
)
⇔
A
(
g
)
+
B
(
g
)
,
A
B
is 33% dissociated at a total pressure of
P
, then:
Q.
For first order homogeneous gaseous reaction A → 2B + C, the initial pressure was
P
0
while total pressure at time 't' was
P
t
. The expression for the rate constant
k
in terms of
P
0
,
P
t
& t is:
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