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The critical temperature (T(c)) and crit...

The critical temperature `(T_(c))` and critical pressure `(p_(c))` of `CO_(2)` are `30.98^(@)C` and 73 atm respectively. Can `CO_(2) (g)` be liquefied at `32^(@)C` and 80 atm pressure ?

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The given critical temperature and pressure of `CO_(2)` gas are `30.98^(@)C` and 73 atm respectively. This suggests that `CO_(2)` gas cannot be liquified above `30.98^(@)C` and 73 atm hewsoever high temperature and pressure may be applied on `CO_(2)` gas. Hence, `CO_(2)` gas cannot be liuified at `32^(@)C` and 80 atm.
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Knowledge Check

  • Critical temperature (T_(C)) and critical pressure (P_(C)) of carbon dioxide gas are 30.98^(@) C and 73 atm . Carbon dioxide gas cannot be liquified under following conditions

    A
    `t = 30.98^(@) C` , P = 73 atm
    B
    `t = 30.98^(@) C , P = 83` atm
    C
    `t = 32^(@) C , P = 80` atm
    D
    `t = 30.98^(@) C , P = 85` atm

  • What is the density of CO_(2) at 27 .^(@)C and 2.5 atm pressure ?

    A
    `5.2 g L^(-1)`
    B
    `6.2 g L^(-1)`
    C
    `7.3 g L^(-1)`
    D
    `4.46 g L^(-1)`

  • Which of the following gases has the least value of critical temperature (T_(c )) and critical pressure (p_(c )) ?

    A
    `He`
    B
    `H_(2)`
    C
    `N_(2)`
    D
    `CO_(2)`

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