If you are asking whether nitrogen is less dense than air and will float on top of it, then yes, nitrogen is "lighter," albeit only slightly. More accurately, nitrogen, which is a constituent gas of air, is less dense than air, not lighter. The density of air at standard temperature and pressure is 1.292 kg/m3. The density of nitrogen is 1.251 kg/m3.
No, nitrogen is not heavier than carbon dioxide. A nitrogen molecule is significantly lighter than a carbon dioxide molecule (28 vs. 44 amu).
You also need to note the density at STP. Nitrogen gas is also less dense, further meaning that it is lighter.
Density of (dry) air at 25 degrees celsius: 1.225 kg/m^3
Density of nitrogen at 25 degrees celsius: 1.2506 kg/m^3
Yes. A single atom of nitrogen is lighter than a single atom of oxygen. Nitrogen has an Atomic Mass of 14 and oxygen has an atomic mass of 16.
heavier
No, although the most of air is nitrogen, pure N2 (28.0 g/mol) is lighter because the other 19% O2 (32.0 g/mol) is heavier. The 1% Ar (18 g/mol) alone cannot compensate that.
No nitrogen gas is much heavier then hydrogen.
The density of air is 1,2754 g/cm3 at STP.
The density of nitrogen is 1,2504 g/cm3 at STP.
NO2 is denser than air
no
100% of hydrogen is lighter than air
Hot air, hydrogen or helium are lighter than cold air.
Hydrogen and Helium are both lighter than air.
Warm, moist, humid, air associated with a low pressure system is actually lighter than dry air - owing to the fact that hydrogen molecules in water vapor (H20) are lighter than Oxygen or Nitrogen molecules. This moist air rises - causing air pressure to be relatively low compared to surrounding air.
Greenhouse gasses are NOT "obviously lighter than air"; carbon dioxide is significantly heavier than air.One way to weigh something that's lighter than air is to weigh it in a vacuum.
Water vapor is a gas so it is in the air. Nitrogen and nitrogen are in the air too, but there is more nitrogen than anything in the air. I believe it rises because it is lighter, like a balloon filled with helium.
No. The atmosphere is roughly 80% N2, 20% O2, and about 1% of other trace gases. The molecular mass of N2 is about 28, the molecular mass of O2 is about 32. So, no O2 is not lighter than air, it is slightly heavier.
Nitrogen is lighter than oxygen
humid air is lighter that an equal volume of dry air at the same temperature.
The composition of Earth's atmosphere is mostly nitrogen, carbon dioxide, and oxygen. All of these elements are denser than helium, and therefore it tends to rise.
nitrogen is lighter than oxygen
The balloon is lighter than air.
100% of hydrogen is lighter than air
Yes methane is lighter than air because it is less dense than air.
No Argon is not lighter than air. Argon is 25% more dense than air.
Hot air, hydrogen or helium are lighter than cold air.
blimp or hot air balloons are lighter than air crafts