February 25, 2017

Homework Help: Science

Posted by anne on Wednesday, January 28, 2009 at 7:12am.

"Blow up a balloon and tie it up. Leave it for a few days. After a few days, the balloon becomes smaller.Why?"

The answer given is that the air particles diffuse out of the balloon.

Can you please explain the answer? I understand that diffusion involves particles moving from a region of higher concentration to a region of lower concentration.

Why are air particles able to diffuse out of the balloon?

Thank you.

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