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It's buoyancy - the same as a ship floating in water.
In this case the volume of the balloon must weigh less than an equal volume of air.
(That's done by using a lighter than air gas - hydrogen, helium, or just heated air.)

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When an inflated balloon is exposed to cold air?

The volume of the balloon decreases


How an inflated balloon gets larger whwn heated?

The temparature was higher and it caused more air pressure


How long will balloons float filled with exhaled air?

When a balloon is blown up by mouth, it will not float, but fall to the ground. This is because the air inside is the same density as the air outside. For a balloon to float up into the air, it must be inflated with a gas that is lighter than air - such as helium.


Can you measure air pressure in a party balloon?

The air pressure inside the balloon will be slightly higher than outside. This is because the air inside the balloon is slightly compressed by the elasticity of the membrane of the balloon itself. By way of illustration, if you inflate a balloon, don't tie it and just let it go, then to everyones' amusement at parties the balloon flies crazily around the room until it is fully deflated! This fun aspect of balloons occurs as a result of the higher pressure inside the balloon escaping from the balloon to join the air in the room that is at normal pressure. Actually measuring the pressure inside the inflated balloon would require an experiment where the volume of pressurised air in the inflated balloon could be measured by a) measuring the volume of pressurised air inside the balloon by fully immersing the inflated balloon in a measuring receptacle full of water (with normal atmospheric pressure in the room pressing down on the surface of the water) and, then b) measuring the volume that the pressurised airinside the balloon would occupy once outside the balloon at normal atmospheric air pressure by inverting the measuring receptacle full of water (whilst held in a larger shallow tank of water so as to keep the measuring receptacle full of water once inverted - in the usual physics lab manner) and then release the air from the balloon into inverted water-filled measuring receptacle where it would gather in the top of the same. The difference in the two volumes would directly correlate with the difference in air pressure inside and outside the balloon.


Why inflated balloon cannot fit into your bag?

because the air inside the balloon take up the space and it will not allow the balloon to fit in bag

Related Questions

How do you describe the motion of air particles inside an inflated balloon?

It is a disordered motion.


How many air particles are in a balloon?

The number of air particles in a balloon can vary depending on the size of the balloon and the pressure of the air inside. On average, there are approximately 2.5 x 10^22 air molecules in a standard-sized balloon.


Why do we close the mouth of an inflated balloon?

Closing the mouth of an inflated balloon helps to keep the air trapped inside. If the mouth is left open, the air can escape and deflate the balloon. Closing the mouth also helps to create pressure inside the balloon, keeping it inflated.


Why the deflated balloon is lighter than a inflated balloon?

A deflated balloon is lighter than an inflated balloon because the air inside the inflated balloon adds weight to it. When the air is released, the balloon becomes lighter because it is no longer burdened by the added weight of the air molecules.


Which property of the gaseous state is shown when an inflated air balloon collapses with a pin?

The property shown when an inflated air balloon collapses with a pin is compressibility. Gases can be easily compressed because they have particles that are far apart and have high kinetic energy, allowing them to be squeezed into a smaller volume. When the balloon is punctured, the gas particles can quickly move closer together, causing the collapse of the balloon.


What keeps air balloon inflated?

If you mean a hot air balloon, it is the expansion of the air caused by the propane burner. If you mean any balloon, it is the ability of the material to hold the air or gas inside which keeps it inflated.


Why does a helium balloon deflate in the fridge?

The air molecules slow down and it deflates.


What is the difference in the height of the balloon after ten minutes and the height of the balloon after sixty minutes?

There is no difference at all if the balloon is not inflated or inflated with air.


Why does the balloon have more Why does the balloon have less mass when it is inflated?

When the balloon is inflated, it is filled with air, which has less mass than the solid material of the deflated balloon. So overall, the balloon has less mass when inflated because the mass of the air inside it is lighter than the solid material of the balloon.


How long will an air filled balloon stay inflated?

The duration an air-filled balloon stays inflated can vary based on factors such as the quality of the balloon, temperature, and air pressure. Under normal conditions, an air-filled balloon can stay inflated for several days to a week before starting to deflate.


When an inflated balloon is exposed to cold air?

The volume of the balloon decreases


Does a balloon maintain its shape after been blown up or inflated?

Yes, a balloon maintains its shape after being inflated because it is filled with air, which exerts pressure on the walls of the balloon to keep it inflated. If the balloon is tied or sealed properly, it will hold its shape until the air inside gradually seeps out over time.