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Standard IX
Chemistry
Question
A sample of nitrogen gas at
2.00
atm and
546
K
occupies
100
m
L
.
What volume would the sample of nitrogen occupy at
S
T
P
?
109
m
L
137
m
L
20.0
m
L
50.0
m
L
A
20.0
m
L
B
137
m
L
C
109
m
L
D
50.0
m
L
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Solution
Verified by Toppr
Given,
Pressure,
P
1
=
2
a
t
m
Temperature,
T
1
=
546
K
Volume ,
V
1
=
100
m
L
At STP condition,
P
2
=
1
a
t
m
T
2
=
298
K
For ideal gas equation,
P
1
V
1
T
1
=
P
2
V
2
T
2
⇒
2
×
100
546
=
1
×
V
2
298
⇒
V
2
=
109
m
L
∴
The volume of the sample of nitrogen occupy at STP is
109
m
L
.
Thus, the correct option is (A).
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