In a vessel, the gas is at a pressure P. If the mass of

In a vessel, the gas is at a pressure P. If the mass of all the molecules is halved and their speed is doubled, then the resultant pressure will be

∵ P =	1		mn	V_rms²
	3		V

When mass is halved and speed is doubled then

Resultant pressure, P^t =	1	×	m	×	n	(2v_rms)² = 2P;
	3		2		V