vrms2 Where, m is mass, N is the number of moles, V is the volume and vrms is the root mean square velocity of the particles of the gas. ∴‌‌p1=p0=‌
1
3
‌
m1N
V1
(v‌rms ‌2)1.....(i) If m2=‌
m1
2
and (vrms)2=2(vrms)1 For simplicity write v2=2v1 Hence, p2=‌