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If untied or secured properly to a post or something, helium balloons cannot be left in open. helium is lighter than air and it will rise up in the air easily.

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Q: Can a helium balloon be left outside?
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What makes a child's balloon rise?

Helium. The helium gas in the balloon is lighter than the air outside the balloon.


Is helium in a balloon an example of a gas?

yes and so is the air outside the balloon.


What are the Application of Charles' law in daily life?

helium balloon left in sun will expand. sun makes balloon hotter and density will rise balloon


What happens to the pressure of the air outside of the balloon as it goes higher?

The pressure inside the balloon will be higher because the balloon will try to get smaller and thus the balloon will ascent due to the low density of the helium inside the balloon.


Why do balloons filled with air not float?

Because air is not as dense as helium filed gallons so they won't float


Is a helium balloon a solid?

A helium "balloon" is composed of two parts: the SOLID rubber balloon skin, and the GASeous helium. So the balloon part itself is a solid.


How does a hot air balloon come down?

In rising, a hot air balloon works the same way as a helium balloon : the hot air inside is less dense than the surrounding air outside the balloon. The heavier outside air pushes below the balloon and forces it upward. To come down is easier in a hot air balloon. Unless it is continually reheated, its temperature reverts to that of the surrounding air and the balloon settles back to the Earth under its own weight. Vents that release the heated air (like venting helium in a helium balloon) is an alternative to increase the speed of descent.


How much can a helium balloon lift?

depends how big the helium balloon is and how many


What was the helium balloon balloon made of?

It was made out of the light gas gas Helium.


Why does a CO2 filled balloon deflate quicker than a helium filled balloon given that helium atoms are smaller and monatomic?

Well...it's because they're not the same balloons. There is a product out there called Super Hi-Float. You coat the inside of a balloon destined to be filled with helium with it, and it helps seal the pores of the latex hence holding the helium in longer. You probably wouldn't do this with a balloon you're going to fill with CO2.


Which balloon would fly higher the one with helium or the one with air?

The balloon with helium.


Why is that a big balloon filled with the helium floats?

Helium is lighter than air. hence helium balloon will float in air.