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Actually, it should decrease in size. The volume of a gas is directly proportional to the temperature of a gas (measured in Kelvin). Therefore if you inflate a balloon with your warm breath and then cool it down with cold water, the balloon will shrink, not increase in size.

See the Related Questions for more information about the effect of temperature on gases.

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16y ago
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13y ago

When particles are heated up the particles expand and when it is cooled down they contract, so on a hot day the balloon's particles will expand and when the temperature comes down the particles will contract.

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Q: Why an inflated balloon expand in warmwater?
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Related questions

Why does a partially inflated weather balloon expand as it rises?

As height is gained the outside air pressure on the balloon is reduced. This reduction allows the gas inside the balloon to expand.


Why an inflated balloon is heated why it bursts?

the heat caused the air inside to expand.


Why does a partially inflated balloon expand as it rises?

The pressure in the balloon stays the same, but the pressure outside drops as the altitude increases. And as the outside pressure drops, the balloon expands.


What would happen if you inflated a balloon on the moon?

Since there is no external pressure to counteract the internal gas pressure, the gas would expand until the balloon burst.


Why doesn't an inflated balloon shrink when heated?

Because as the balloon is heated, the gases on the inside of the balloon begin to expand and press out on the walls of balloon. If a balloon is refridgerated, the opposite is true: the gases on the inside of the balloon will begin to contract, causing the balloon to shrink.


Is there a PICC line with an inflated balloon for placement?

There is not a PICC line with an inflated balloon for placement.


who inflated a balloon?

You did


What happens when you put a balloon in a jar then remove all the air?

If you put an inflated balloon in a jar and then remove the air from the jar the balloon will expand. Perhaps to the point of bursting, or to the point where it coats the entire inner surface of the jar.


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.


What causes the air pressure inside an inflated balloon?

The elastic contraction of the rubber in the balloon's membrane causes the pressure in the air inside an inflated balloon. When you inflate a balloon, you have to expand the latex of the balloon, which stretches when filled with air from a pressure of 760 mm Hg to as high as 840 (about 10% higher than standard atmospheric pressure). If you inflate a non-elastic mylar balloon, it takes no effort: the air inside is at the same pressure as the air outside.


When an inflated balloon is exposed to cold air?

The volume of the balloon decreases


What is inside the inflated balloon?

Helium goes into a balloon to make it float.