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Two separate bulbs contain ideal gas `A` and `B`. The density of a gas `A` is twice that of a gas `B`. The molecular mass of `A` is half that of gas `B`. The two gases are at the same temperature. The ratio of the pressure of `A` to that gas `B` isA. `2`B. `1//2`C. `4`D. `1//4` |
Answer» Correct Answer - C `d_(a)= 2d_(b), 2M_(a)=M_(b)` `PV= nRT=(m)/(M)RT, P=(m)/(V).(RT)/(M)=(dRT)/(M)` `(P_(a))/(P_(b))=(d_(a))/(d_(b))(M_(b))/(M_(a))=(2d_(b))/(d_(b))xx(2M_(A))/(M_(a))=4` |
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