| |
|
The
following
gases are
lighter than
air: |
|
Acetylene |
Ammonia |
|
Carbon
Monoxide |
Ethylene |
|
Hydrogen
Hydrogen |
Cyanide |
|
Methane |
1.9%
by
volume |
| |
|
|
The
following
gases
are
heavier
than
air: |
|
Argon |
Butane |
|
Carbon
Dioxide |
Chlorine |
|
Ethane
|
Hexane |
|
Hydrogen
Chloride
|
Hydrogen
Sulfide |
|
Methyl
Ethyl
Ketone |
Methyl
Mercaptan |
|
Nitrogen
Dioxide |
Nitrous
Oxide |
|
Oxygen |
Propane |
|
Sulfur
Dioxide |
|
|
|
|
|
|
weight of various
gases compared to
air
