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BITSAT 2013 Solved Question Paper
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© examsnet.com
Question : 20
Total: 150
A vessel containing 1 more of
O
2
gas (molar mass 32) at temperature T. The pressure of the gas is p. An identical vessel containing one mole of he gas (molar mass 4) at temperature 2T has a pressure of
p/8
p
2 p
8p
Validate
Solution:
Applying gas equation, pV = nRT
We can write,
p
1
V
=
n
1
R
T
1
and
p
2
V
=
n
2
R
T
2
⇒
p
2
p
1
=
n
2
n
1
×
T
2
T
1
=
1
1
×
2
T
T
= 2
⇒
p
2
= 2p
© examsnet.com
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