In theory all the oxygen in the room you currently reside in could go to the roof, leaving your with a nice mix of co2 and nitrate to try breathing. In theory.
Not without an influx of energy in order to overcome the entropy.
Energy, entropy...how about a block universe idea (strangely rhyming with blockchain).
I think that blockchain now informs some new interesting ideas in physics.
Read an interesting discussion on time, entropy and block universe here:
https://www.quantamagazine.org/a-debate-over-the-physics-of-time-20160719/