A box of 1 l capacity is divided into two equal compartments by a thin partition, which is filled wi — States of Matter and Gaseous State Chemistry Question

Question

A box of 1 l capacity is divided into two equal compartments by a thin partition, which is filled with 2 g hydrogen and 16 g methane, respectively. The pressure in each compartment is recorded as $P$ atm. The total pressure when the partition is removed will be