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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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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) The density of at 1 atm and 273K is

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) The density of gas is 3.8 g L^(-1) at STP. The density at 27°C and 700 mm Hg pressure will be

Knowledge Check

  • p rArr p' is

    A
    a tautology
    B
    a contradiction
    C
    a tautology and a contradiction
    D
    neither a tautology nor a contradiction

  • The proposition (p rarr ~p) ^^ (~p rarr p) is

    A
    a tautology
    B
    a contradiction
    C
    neither a tautology nor a contradiction
    D
    a tautology and a contradiction

  • (p rArr q) ^^ (q rArr r) rArr (p rArr r) is

    A
    a tautology
    B
    a contradiction
    C
    a tautology and a contradiction
    D
    neither a tautology nor a contradiction

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