The pressure inside a tank of neon is 110 atm . The temperature is 28.0 ∘C.
On average, how many atomic diameters does a neon atom move between collisions?
PV = NKT
N/V = P/KT
N/V = 110*101325/1.38*10^-23*310 = 26053.6*10^23 m^-3
mean free path of neaon atom is 12.7*10^-3
mean free path = KT/1.414*3.14*P*D^2
D^2 = 1.38*10^-23*301/1.414*3.14*110*101325*12.7*10^-3
D = 8.13*10^-14 M
R = D/2 = 4.1*10^-14 m
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