2007-07-05 02:12:09 · 13 answers · asked by Anonymous in Science & Mathematics ➔ Astronomy & Space
when you fill a balloon with hydrogen that is lighter than air the balloon becomes lighter than air and rises, but when you fill it with air it becomes heavier because of the added weight of the balloon skin and falls. Hope this helps
2007-07-05 02:21:48 · answer #1 · answered by Anonymous · 1⤊ 0⤋
Hydrogen is lighter than air, so it will, given enough volume rise above the air surrounding the balloon. The volume needed would have to be enough to counter the weight of the material of the Balloon its self. Hydrogen has the lightest molecular weight of all known elements. The various components that make up air all weigh significantly more than Hydrogen.
2007-07-05 03:17:22 · answer #2 · answered by AlaskaJoe 4 · 0⤊ 0⤋
Density, Sam. Density.
A balloon filled with air, placed in a medium if air will sink because there is no "lift" from a less dense material inside the ballon -- no buoyancy. The weight of the rubber balloon itself will make the balloon fall slowly to the ground.
Hydrogen and helium are much less dense than air, and have a tendency to want to float to the upper reaches of the Earth's atmosphere. Being less dense, these gasses provide the buoyancy to lift the balloon rubber into the sky.
The air-filled balloon will resist sinking in a pool of water because the air inside the balloon is much less dense than the water. Buoyancy.
2007-07-05 04:53:50 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Hydrogen filled balloon goes up due to buoyancy as hydrogen is lighter than air.
2016-05-18 22:08:15 · answer #4 · answered by Anonymous · 0⤊ 0⤋
Hydrogen is the lightest of all elements, a balloon filled with it has buoyancy, it will rise in air. A balloon filled with air has no buoyancy and the weight of the balloon will cause it to fall.
2007-07-07 06:26:29 · answer #5 · answered by johnandeileen2000 7 · 0⤊ 0⤋
Hydrogen is lighter than the various components of air (oxygen, carbon dioxide, more hydrogen) so the force lifting it is greater than the force caused by the weight of the ballon. A balloon filled with air has the weight of the ballon and no lighter component to lift it, so it is weighed down.
In an environment of complete hydrogen it would fall too.
2007-07-05 02:19:19 · answer #6 · answered by princess_sse 2 · 1⤊ 0⤋
The hydrogen is much lighter than air so it floats on the air it displaced like a boat.
2007-07-05 03:33:54 · answer #7 · answered by JOHNNIE B 7 · 0⤊ 0⤋
Hydrogen is the LIGHTEST element. It is even lighter than helium. So, if you fill a baloon with it, it will eventually float (it's not really recommended though because Hydrogen is a flammable gas and could explode in your face ^_^)..
Anyway, if you just blow up a baloon with your breath, you fill it up with CARBON DIOXIDE, which contains Carbon which is about 12 times heavier than Hydrogen, and Oxygen which is 16 times heavier..
^_^
2007-07-05 02:30:49 · answer #8 · answered by AngeL 2 · 1⤊ 0⤋
Because hydrogen is less dense than oxygen and nitrogen, so it floats on the oxygen and nitrogen. It is exactly the same thing that makes a piece of wood float to the top of the water and a rock sink to the bottom.
2007-07-05 02:20:07 · answer #9 · answered by campbelp2002 7 · 0⤊ 0⤋
a balloon filled with air will float on water -- its the same principle with hydrogen - it will float on air just like helium will also float on air.
2007-07-08 14:53:43 · answer #10 · answered by pilot 5 · 0⤊ 0⤋