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Byju's Answer

Standard XII

Chemistry

Dalton's Law of Partial Pressures

A vessel cont...

Question

A vessel contains 1 mole of $O_{2}$ gas at temperature T and pressure P. An identical vessel containing 1 mole of He gas at a temperature 2T has a pressure :

P/8

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Solution

The correct option is B 2P
As we know the ideal gas equation is, $P V = n R T$
Given :

$P \times V = 1 \times R \times T$ for Oxygen

$P_{1} \times V = 1 \times R \times 2 T$ for Helium

$∴ P_{1} = 2 P$

So, the correct option is $C$

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A vessel contains 1 mole of O2 gas at temperature T and pressure P. An identical vessel containing 1 mole of He gas at a temperature 2T has a pressure :

The correct option is B 2PAs we know the ideal gas equation is, PV=nRTGiven : P×V=1×R×T for Oxygen P1×V=1×R×2T for Helium ∴P1=2PSo, the correct option is C

A vessel contains 1 mole of $O_{2}$ gas at temperature T and pressure P. An identical vessel containing 1 mole of He gas at a temperature 2T has a pressure :

The correct option is B 2P
As we know the ideal gas equation is, $P V = n R T$
Given :

$P \times V = 1 \times R \times T$ for Oxygen

$P_{1} \times V = 1 \times R \times 2 T$ for Helium

$∴ P_{1} = 2 P$

So, the correct option is $C$