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If you blow it up with your mouth you make it heavier. You breathe out air containing a higher proportion of carbon dioxide than the air you breathe in. Carbon dioxide is a relatively heavy gas (nearly three times as dense as air) and so this increased amount of gas, plus the rest of the air in the balloon, will make the balloon heavier.

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13y ago

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What do you blow up a balloon to make it fly?

Helium gas is typically used to fill balloons to make them float or fly. Helium is lighter than air, so it causes the balloon to rise due to the difference in density between the helium gas inside the balloon and the surrounding air.


Why dont balloons float with human air like when you blow up a balloon it falls to the groud but when helium gets blown into a balloon it floats?

Helium is lighter than air, so it creates lift within the balloon causing it to float. When you blow up a balloon with human air (which mostly consists of nitrogen and oxygen), the balloon is heavier than the surrounding air and therefore falls to the ground.


Why does the balloon fall?

because, helium is lighter than air so it flouts, if you blow it up yourself it will just fall down


Can you blow a balloon up with air?

Yes you have to but here is a tip: if you want the sturdiest balloon blow it up halfway and then insert pancakes before you blow it up anymore


What about the behavior of gas allows you to blow up a balloon?

When the gas particles hit the walls they blow up a balloon


Can air pressure in a bottle stop you from blowing up a balloon in it?

Yes, if the air pressure in the bottle is higher than the pressure you are exerting to blow up the balloon, it can make it difficult or impossible to blow up the balloon inside the bottle. The higher air pressure in the bottle will resist the expansion of the balloon.


What about the behavior of gas particles allows you to blow up balloon?

When the gas particles hit the walls they blow up a balloon


What about behavior of gas particles allows you to blow up a balloon?

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Two ingredients to mix together to make a balloon blow up are?

C4 and a detonator


How do you make air lighter so that it will cause a balloon to rise?

To make air lighter, you can heat it up. Hot air is less dense than cold air, so it rises. When you heat the air inside a balloon, it becomes lighter than the surrounding air and causes the balloon to float upward.


Can girls blow a balloon up with her nose?

No, girls cannot blow up a balloon with their nose. Blowing up a balloon requires forceful exhalation from the lungs, which is not possible through the nose.


What make a balloon blow up with carbonation?

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