This is false, pressure is the result of atomic collisions with things contained within the gas as the atoms fly around at high velocity. It's extremely unlikel

This is false, pressure is the result of atomic collisions with things contained within the gas as the atoms fly around at high velocity. It's extremely unlikely that a large percentage of a large number of oxygen atoms will randomly fly into the same area at once, but it's not completely impossible. It is governed by probability. Refresher on pressure: http://littleshop.physics.colostate.edu/activities/atmos1/WhatCausesPressure.pdf http://littleshop.physics.colostate.edu/activities/atmos1/Wh...