calculating volume

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calculating volume

Postby tlc59 » Fri Aug 19, 2005 4:01 am

Could you please help me with the following problem?

A birthday balloon is blow up to a volume of 8.4 cm3. What volume is oxygen?
tlc59
 

Re: calculating volume

Postby Guest » Fri Aug 19, 2005 4:06 am

tlc59 wrote:Could you please help me with the following problem?

A birthday balloon is blow up to a volume of 8.4 cm3. What volume is oxygen?


Any help in how to solve this would really be appreciated - I'm having no luck!!
Guest
 

Postby Guest » Fri Aug 19, 2005 6:49 am

Atmospheric air is 21% oxygen.

But if you breathe in and exhale, the exhaled air is less than 21% O2, as you use some and exhale more CO2. Sorry but I have no idea of the percentage. Probably only a couple of percent reduction.


If you blow the balloon up from a compressor, 21%.
Guest
 

Thanks!

Postby tlc » Fri Aug 19, 2005 6:59 am

Thanks - maybe I'll compute using 21%...its one step closer than I was.

:D
tlc
 


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