Q.33 A gas balloon has a volume of 0.5
dm^3 at 100 degree celcius and 1 atm.
pressure. what will be the volume of the
balloon at 1 degree celcius.(assume no
change in pressure.) *
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Explanation:
For gases at constant V and T
Pαw
For N
2
:
P
2
P
1
=
W
2
W
1
0.5
2
=
W
2
14
W
2
=
4
14
=3.5kg(N
2
)
Weight of N
2
diffused =(14−3.5)=10.5Kg
For H
2
0.5
2
=
W
2
1
W
2
=0.25kg(H
2
)
Weight of H
2
diffused 1−0.25=0.75kg
r
H
2
r
N
2
=
M
N
2
M
H
2
W
N
2
tH
2
W
H
2
t
N
2
=
M
N
2
M
H
2
10.5
0.75
×
t
1
60
=
28
2
t
1
=15.87min
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