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Hydrogen and Helium are both lighter than air.

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16y ago

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Is natural gas denser then air?

No, Natural gas is lighter than air.


Is natural gas lighter gas than air?

Yes. Natural gas is mostly methane, which has about half the density of air.


Is flatulence lighter than air?

Flatulence contains a portion of methane gas, and the methane portion is lighter than air.


How much lighter than air is fluorine?

Fluorine is a gas at room temperature and has a molecular weight of about 19 g/mol. Compared to air, which has an average molecular weight of approximately 29 g/mol, fluorine is somewhat lighter than air. Specifically, fluorine is about 34% lighter than air. However, since it is a gas, it will still mix with air rather than rising like a lighter-than-air gas such as helium.


Is natural gas heavier than air?

Yes, natural gas is lighter than air. It will rise and dissipate into the atmosphere if released into the air.


What is lighter than a feather but weighs more than you?

Air / Gas


Is natural gas lighter or heavier than air?

Natural gas is lighter than air and rises.


When balloons are filled with this they are lighter than air?

Hot air, hydrogen or helium are lighter than cold air.


How do you know hydrogen gas is lighter than air?

Balloons filled with it float in air


How have you used the properties of gas in regards to an hot air balloon?

It is lighter than air


What are lighter than air vehicles?

Lighter than air vehicles are vehicles which fly by reducing their overall weight to zero or near zero. This is done by using a large envelope or balloon filled with a lighter-than-air gas such as helium or hot air to lift the vehicle.


Why can a gas such as helium escape the atmosphere?

the molecues are lighter than the ones in the air.