Polar gases would have some mutual attraction and there by observe a decrease in volume so the volume of the balloon would decrease.
Helium is lighter than air and a balloon filled with helium may rise up.
No. Helium is lighter than air
A balloon is filled with helium. Athough, it can be a chemical and physical change. For example you can take the helium out of the balloon, but you cant put it back in it now that its already in the air.
Yes, it can. Just as helium balloon will.
I would say an air filled balloon if you fill it with just plain air. I am basing this on the principle of osmosis and diffusion. A substance such as a gas will travel from an area of increased concentration, such as a balloon filled with helium, to an area od decreased concentration, such as the room the balloon is in. If you fill the balloon with air identicle to that in the surrounding room it negates diffusion.
So that the balloons float
Helium is less dense than air, which is why the helium-filled balloon floats when you let it go.
Helium is lighter than air and a balloon filled with helium may rise up.
No. Helium is lighter than air
Helium is lighter than air. hence helium balloon will float in air.
A balloon filled with helium flies because helium weighs less than air.
no its filled with hot air from a fire that is lit underneath the balloon.
A water balloon is filled with water, and other balloons are filled with air or helium.
No. At the same pressure, a helium filled balloon will be less dense than an air-filled balloon.
A balloon is filled with helium. Athough, it can be a chemical and physical change. For example you can take the helium out of the balloon, but you cant put it back in it now that its already in the air.
Yes, it can. Just as helium balloon will.
They are not! The air inside them is trapped in the balloon and heated, expands, becomes less dense and rises therefore pulling the balloon up with it. If helium was used it would explode! :)