To inflate the balloon.
Whether the gas is helium or just air from your lungs, gases are needed to inflate the balloon.
Because the gases filling the balloon are lighter than the surrounding air.
helium. :)
To demonstrate that gases have mass using a balloon and a balance, first inflate the balloon and then weigh it on the balance. Next, deflate the balloon and weigh it again. The difference in weight before and after deflation shows that the gas inside the balloon (air) has mass, confirming that gases indeed possess weight.
Anything less dense than air (hydrogen, helium, hot air).
Balloon.
The solute in a balloon filled with air is the mixture of gases that compose air, which include nitrogen, oxygen, carbon dioxide, and other trace gases.
In a helium balloon- one that floats and rises to the ceiling it is elemental helium that is used to inflate the balloon. If you just blow into a balloon to inflate it then it is air inside the balloon which is a mixture of gases, principally nitrogen and oxygen (both elements). There are also other gases that are chemical compounds such as carbon dioxide.
To enable the gases inside the balloon to expand which they do when the balloon reaches high altitudes. At this point the balloon becomes much larger.
In a helium balloon- one that floats and rises to the ceiling it is elemental helium that is used to inflate the balloon. If you just blow into a balloon to inflate it then it is air inside the balloon which is a mixture of gases, principally nitrogen and oxygen (both elements). There are also other gases that are chemical compounds such as carbon dioxide.
Gases have no definite volume or shape. The air that you breathe, the helium in a balloon, and the neon inside the tube in a neon light are gases.
The gases filled within the balloon escape quickly.
9 gases in a balloon