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What is the different between hot air balloons and hydrogen gas balloons?
Hot air balloons are filled with heated air, which expands and has less density than the surrounding air, so that the ballon floats upward -- until it cools back down. Hot air balloons usually carry a stove, to keep heating the air (which rises into the balloon, displacing the cooler air and pushing it out of the ballon -- this is an example of convection). Hydrogen balloons are filled with hydrogen gas, which is much less dense than air, so that it rises -- unless the hydrogen leaks out. Hydrogen is not only difficult to keep from leaking out, but also quite flammable and can explode if there is a spark nearby. Also: Helium balloons work similarly to hydrogen balloons, except that helium is not flammable, it is slightly denser than hydrogen, and it is rare and hard to find on Earth. The sun is composed primarily of hydrogen and helium, and the fusion process that makes it radiate comes from transforming hydrogen into helium, with a large release of energy.
Is argon denser or less dense than nitrogen?
Nitrogen is four fifths of the air so their densities are very similar. Pure nitrogen is slightly less dense than air.
Why does a balloon with argon sink?
A balloon filled with argon will sink because argon is denser than air. The density of a gas affects its buoyancy in the surrounding air; denser gases will sink while lighter gases will rise.
Is mercury lighter than air?
as a liquid and solid it is not - as a gas I suspect not although I'm not sure
What will happen to a hydrogen balloon when put in air?
A hydrogen balloon in air will rise due to the fact that hydrogen gas is less dense than air. The balloon will continue to rise until it reaches an altitude where the density of the surrounding air matches its own density. If ignited, the hydrogen in the balloon can react with oxygen in the air and create a fire or explosion.
What element is denser than air?
One example of an element denser than air is sulfur hexafluoride (SF6). It is a colorless, odorless gas that is significantly denser than air, allowing it to be used in certain applications such as electrical insulation.
Is hydrogen denser than air?
No, hydrogen is actually less dense than air. This means that hydrogen gas will tend to rise and disperse upwards in the atmosphere when released, instead of sinking down like denser gases such as carbon dioxide.
Is bromine gas denser or less dense than air?
Bromine gas is denser than air. At room temperature and pressure, bromine gas is about 7 times denser than air.
Why a balloon filled with hydrogen gas floats in air?
A balloon filled with hydrogen gas floats in air because hydrogen is lighter than air. The buoyant force acting on the balloon is greater than the gravitational force pulling it down, allowing it to float.
What is colorless gas that is denser than air?
Sulfur dioxide is a colorless gas that is denser than air and has a sharp, pungent odor.
Is natural gas denser then air?
No, Natural gas is lighter than air.
Is fluorine denser than air?
Yes, fluorine is denser than air. The density of fluorine gas is around 1.7 times that of air at room temperature and pressure.
Is fluorine denser than water?
No. Fluorine is a gas at room temperature a little bit denser than air.
What gas is denser carbon dioxide or hydrogen?
Carbon dioxide is denser.
Is R404 denser than air?
Yes, R404 is denser than air. R404 is a refrigerant gas that is typically used in cooling systems and it is heavier than air, so it can sink and accumulate in low-lying areas.
Does hydrogen gas rise in air?
Yes. Hydrogen is a gas, and all gases tend to diffuse. Whether or not air is present is irrelevant.
What commercially available inert gas or gases are heavier than air?
Argon, krypton, xenon, radon are denser than air.
