What Would Happen if Oxygen Were to Disappear for Five Seconds?

 

What Would Happen if Oxygen Were to Disappear for Five Seconds?

Blue skies shine down upon Auckland, New Zealand. What would happen if all of our oxygen disappeared, even for just five seconds? The skies would become darker, but we wouldn’t be around to see it.

Photo by Franck Fife/AFP/Getty Images.

This question originally appeared on Quora.

Answer by Andrew Cote, science junkie:


  • Everyone at the beach would get sunburns. Ozone is molecular oxygen and blocks the majority of UV light. Without it, we are toast.
  • The sky would get darker. With fewer particles in the atmosphere to scatter blue light, the sky would get a bit less blue and a bit more black.
  • Every internal combustion engine would stall. This means that every airplane taking off from a runway would likely crash to the ground, while planes in flight could glide for some time.
  • Everyone’s inner ear would explode. As mentioned, we would lose about 21 percent of the air pressure in an instant, equivalent to being teleported to the top of the high Andes (elevation, about 2,000 meters).
  • Every building made out of concrete would turn to dust. Oxygen is an important binder in concrete structures (really, the CO2 is), and without it, the compounds do not hold their rigidity.
  • Every living cell would explode in a haze of hydrogen gas. Water is one third oxygen; without it, the hydrogen turns into gaseous state and expands in volume.
  • The oceans would evaporate and bleed into space. As oxygen disappears from the oceans’ water, the hydrogen component becomes an unbound free gas. Hydrogen gas, being the lightest, will rise to the upper troposphere and slowly bleed into space.
  • Everything above ground would immediately go into free fall. As oxygen makes up about 45 percent of the Earth’s crust and mantle, there is suddenly a lot less “stuff” beneath your feet to hold everything up.
The question was from Quora and we found it on Slate. We would give all the credit to them