Two gases $A$ and $B$ having same pressure $P$, volume $V$ and absolute temperature $T$ are mixed. If the…
Two gases $A$ and $B$ having same pressure $P$, volume $V$ and absolute temperature $T$ are mixed. If the mixture has the volume and temperature as $V$ and $T$ respectively, then the pressure of the mixture is
$2 P$
$P$
$\frac{P}{2}$
$4 P$
Solution
The total pressure exerted by a mixture of non-reacting gases occupying a vessel is equal to the sum of the individual pressures which each gas exert if it alone occupied the same volume at a given temperature.
For two gases
$P=R_1+P_2=P+P=2 P$