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Density of gas is inversely proportional...

Density of gas is inversely proportional to absolute temperature and directly proportional to pressure
`rArr d prop P/T rArr (dT)/P` = constant `rArr (d_(1)T_(1))/P_(1) =(d_(2)T_(2))/P_(2)`
Density at a particular temperature and pressure can be calculated bousing ideal gas equation
`PV = nRT rArr PV = ("mass")/("molar mass (M)") x RT`
`P xx M =("mass")/("volume") xx RT rArr P xx M = d xx RT`
`d=(PM)/(RT)`
Which of the following has maximum density?

A

`O_(2)` at `25^(@)` C and 1 atm

B

`O_(2)` at `0^(@)` C and 2 atm

C

`O_(2)` at `273^(@)`C and 1 atm

D

`O_(2)` at `0^(@)` C and 1 atm

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