With pressure and temperature given, any gas being heavier or lighter than air depends on what?

Question

Question Quiz BPL Gas - Balloon Pilot License - Principles of Flight (Balloon)

QuizVDS · Accepted Answer

On the molecule mass of the gas

QuizVDS · Answer

On the content of water vapour in the gas

QuizVDS · Answer

On the mean kinetic energy of the molecules

QuizVDS · Answer

On the number of gas molecules

Id 397 - BPL Gas - With pressure and temperature given, any gas being heavier or lighter than air depends on what?