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Standard XII

Physics

Ideal Gas Equation

A vessel cont...

Question

A vessel contains $1$ mole of O $_{2}$ (molar mass $32 g m$ ) at a temperature $T$ . The pressure is $P$ . An identical vessel containing $1$ mole of He (molar mass $4 g m$ ) at a temperature $2 T$ has a pressure :

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\frac{P}{8}

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Solution

The correct option is C 2P
Using $P V = n R T$
$∴ P_{H e} = 2 P$ as temperature of He is doubled.

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A vessel contains $1$ mole of $O_{2}$ gas (molar mass $32$ ) at a temperature $T$ . The pressure of the gas is $P$ . An identical vessel containing one mole of $H e$ gas (molar mass $4$ ) at a temperature $2 T$ has a pressure of

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1

mole of

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gas (molar mass

= 32

) at temperature T. The pressure of the gas is

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. An identical vessel containing one mole of He gas (molar mass

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4

) at a temperature

2

T has a pressure of.

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

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contains 1 mole of

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and pressure

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A vessel contains 1 mole of O2 (molar mass 32gm) at a temperature T. The pressure is P. An identical vessel containing 1 mole of He (molar mass 4gm) at a temperature 2T has a pressure :

The correct option is C 2PUsing PV=nRT∴PHe=2P as temperature of He is doubled.

A vessel contains $1$ mole of O $_{2}$ (molar mass $32 g m$ ) at a temperature $T$ . The pressure is $P$ . An identical vessel containing $1$ mole of He (molar mass $4 g m$ ) at a temperature $2 T$ has a pressure :

The correct option is C 2P
Using $P V = n R T$
$∴ P_{H e} = 2 P$ as temperature of He is doubled.