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well since we breathe in oxygen and exhale carbon dioxide, it would have to be carbon Dioxide
The elastic property of the balloon. The balloon stretches when inflated, and squeezes the gas filling the balloon.
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.
The air particles in the balloon compress due to the cold atmosphere in the refrigerator which causes the balloon to be smaller.
A balloon
Until The Pilot Of The Balloon Cannot Breathe And Must Bring The Balloon Down Due To Lack Of Oxygen.
no
No! It is a poison.
NO! It is not safe for any animal to breathe smoke
The lungs act a bit like baloons. When you breathe in they will inflate, when you breathe out they will deflate. Using a balloon may be useful way to understand this, breathe into the balloon and it will inflate (this is what happens when you breathe in). Next, leave the air out (slowly) and this is what happens your lungs when you breathe out.
Only a hot mixture of the same gases that are in the air you breathe.
Distilled water vapor is safe to breathe. It wouldn't be advised to inhale it, however, just like regular steam.
No, but it is safe to breathe. It would just be oxygen.
Yes
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.
It is ceartainly safe to breathe, assuming that the rest is normal air.
The skin of the balloon is air-tight - it's simply trapping the air you breathe into it.