Combustible gasorum gravius ​​​​Aeris

Mediocris pondus aeris est 29, ut vapores cum hypothetica pondere major 29 gravior aeris.

Combustible organicum vapores graviore aere includere propane, butane, propylene, butadiene, acetylene, cyclopropane, aether amino, et ethylene oxydatum. Inorganicum vapores combustibiles graviores aeris cingunt hydrogenii sulfide, phosphine, et silane.