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JEE Main Chemistry Class 11 States of Matter Questions
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© examsnet.com
Question : 16
Total: 77
A rigid nitrogen tank stored inside a laboratory has a pressure of
30
atm
at
06
:
00
am
when the temperature is
27
∘
C
. At 03:00 pm, when the temperature is
45
∘
, the pressure in the tank will be ____atm. [nearest integer]
[25-Jun-2022-Shift-2]
Your Answer:
Validate
Solution:
A nitrogen tank of fixed volume used where number of moles of nitrogen is fixed.
∴
V
=
constant
n
=
constant
R
=
constant
From ideal gas equation,
PV
=
nRT
⇒
P
∝
T
[
As
V
,
n
,
R
=
constant
]
Here, initially
P
1
=
30
atm,
T
1
=
300
K
Finally,
P
2
=
?
,
T
2
=
318
K
∴
P
1
P
2
=
T
1
T
2
⇒
30
P
2
=
300
318
⇒
P
2
=
31.8
≃
32
© examsnet.com
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