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Answered 2010-11-13 12:28:52

because the hydrogen and oxygen react together creating water(the small droplets of liquid)

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No, they are large quantities of liquid water droplets.

an aerosol is made of droplets of liquid in another liquid.

Hydrogen can be made to explode in two different ways. The most usual way would be by combustion with oxygen, but that requires ignition. However, if you have liquid hydrogen you could make it explode by heating it, even in the absence of oxygen, in exactly the same way that water in a sealed container will explode if you heat it to the boiling point. Liquid hydrogen, of course, has a much lower boiling point than water does, and therefore would require less heating to make it explode. If it is not kept cooled, it will explode even at room temperature.

Inside a balloon there is gas. This gas is normally helium if you want the balloon to fly high, but hydrogen also works.

When liquid nitrogen is poured on balloon .The balloon will frezee

Liquid Nitrogen in a water bottle will explode because of pressure build up. Liquid nitrogen vaporizes rather quickly and when it transitions from liquid to gas, the pressure increases if kept at the same volume. Think of boiling water in a closed container. It is similar to that but liquid nitrogen evaporates at much lower temperature, it will explode at room temperature. Let's say you submerged this water bottle below the boiling point of liquid nitrogen and put liquid nitrogen in the bottle, the bottle will not explode. It is a mechanical explosion (simple transfer of forces) not a chemical explosion like with hydrogen where hydrogen gas ignites.

Liquid droplets in air are called mists, smaller droplets are aerosols. Solid particulates are dust, smaller sized ar fumes.

Water vapor condenses into liquid droplets once it cools enough to change forms.

Yes, nitrogen does infact explode

Liquid nitrogen has a low temperature, and that obviously decreases the volume of the air inside the balloon. The balloon shrinks

liquid hydrogen is cheaper than liquid oxygen

with the removal of its heat energy, the air in the balloon became denser so it occupied less space. That's why it shrank.. the frozen liquid was the moisture from the air.. e.g. when warm air hits cool glass, the moisture droplets separate from the air and settle on the glass.. the same thing happened with your balloon the only difference was that your water froze...

A balloon is made out of solid materials. The air inside a balloon is gas.

No, it is liquid droplets suspended in air.

An easy way to prove that hydrogen is a gas (but it can also be a liquid and a solid) is to show someone the periodic table, where it shows a picture of a balloon, which shows that hydrogen's normal state is a gas.

If the ice melts, then because of the density of water, it will implode (Explode INWARD) because of the less particles in the liquid.

Liquid Helium is colder than Liquid Hydrogen.

Hydrogen becomes a liquid at 20.28K and high pressure.

While I wouldn't really want to store any of those next to a heat source, it is the aerosol can that is likely to explode.

Tiny droplets of liquid water

The chemical formula for liquid and gaseous hydrogen is the same - H2However, Liquid hydrogen is usually written as LH2 with the L specifying that it is in the liquid state.

Why does a space shuttle carry hydrogen and why do they keep hydrogen and oxegen it in its liquid?

You get a mixture of liquid hydrogen and liquid oxygen. If this is done at ordinary atmospheric pressures, the oxygen will probably freeze, since its melting point is above the boiling point of liquid hydrogen. (I'm not sure of the solubility of solid oxygen in liquid hydrogen.)

The liquid is so cold that the air particles in the balloon almost stop moving, which causes the balloon to shrink. When the balloon is taken out of thr liquid the particles regain speed and expand inside of the balloon.

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