Vessels $A$ and $B$ contain the same gas. If the pressure,volume,and temperature of $A$ are all double those of $B$,then the ratio of the number of molecules in $A$ to $B$ is ..........

Dalton's law of partial pressure will not apply to which of the following mixtures of gases?

At what new pressure will $100 \ mL$ of a gas at a pressure of $720 \ mm$ occupy a volume of $84 \ mL$,keeping the temperature constant (in $mm$)?

At a constant temperature,two different gases $G_1$ and $G_2$ are kept in separate flasks. The molar mass of $G_2$ is three times that of $G_1$,while the density of $G_1$ is two times that of $G_2$. What is the ratio of the pressure exerted by $G_2$ to that of $G_1$ in their respective flasks?

The density of ammonia gas at $27\,^oC$ and $3\, atm$ pressure is approximately .......

$A$ vessel contains $3.2 \ g$ of dioxygen gas at $STP$ ($273.15 \ K$ and $1 \ atm$ pressure). The gas is now transferred to another vessel at constant temperature,where pressure becomes one third of the original pressure. The volume of the new vessel in $L$ is $........$ (Given: molar volume at $STP$ is $22.4 \ L$)