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A vessel contains 1 mole of O2 gas (rela...

A vessel contains 1 mole of `O_2` gas (relative molar mass 32) at a temperature T. The pressure of the gas is P. An identical vessel containing one mole of He gas (relative molar mass 4) at temperature 2T has a pressure of

A

`P//8`

B

`P`

C

`2P`

D

`8P`

Text Solution

Verified by Experts

The correct Answer is:
c
` PV = n R T`
`:. P_(1)/ P_(2) = T_(1)/ T_(2) " " (. :. V , n " and R are same " ) `
` rArr P/ P_(2) = T/ (2T) " or " P_(2) = 2P `
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