Lighter and heavier than air gases
Oxygen Tube Fires Are Insane!
How This WEIRD Theory Led to the Discovery of Oxygen
Water is lighter than oxygen.
Is Carbon monoxide heavier than air?
How to Turn Air Into a Liquid
What If Helium Replaced Oxygen for 1 Minute?
This is dangerous hydrogen gas and I'm gonna light it on fire
But seriously, don't drop Sodium in gasoline
Deadly CO2 concentration in vertical cave, lighter test.
6 Unauthorized Uses for a Medical Oxygen Concentrator
Adam Savage Blown Away by Neil deGrasse Tyson's Aerogel
Hydrogen and Oxygen gas reaction
Liquid Oxygen and Ozone - Ex&F
Just Add Water 18 - Properties of Oxygen
Just Add Water (2009): Properties & Ratios of Hydrogen & Oxygen
Chemistry Revision - Collecting Gas over water
How to Make Hydrogen Gas - Clean Burning, Inexpensive, Lighter than Air!
VAPING GAVE US CANCER #stopvaping
I Tried 60 Days Of Hyperbaric Oxygen Therapy (my insane results)