Re: weight loss and respiration (was: Mass/Energy Conservation)

["Bernard G. Cleyet & Nancy Ann Seese" <georgeann@REDSHIFT.COM>]

People!

Check out:  http://www.vernier.com/probes/co2.html  and read the manual.

bc

P.s. They have a respiration monitor also.  I've not the time to check if
it's to measure metabolism.

Robert A Cohen wrote:

> I didn't want to get drawn into this but I made a typo...
>
> On Tue, 12 Dec 2000, Joel Rauber quoted me:
>
> > > C6 H12 O6 + O6 ---> 6CO2 + 6H2O
> > >
> > > Doesn't this mean that all of the oxygen breathed in gets exhaled?
> > > Wouldn't this be a net loss (both for the carbon and the water vapor)?
>
> The equation doesn't balance.  I think it should be...
>
> C6 H12 O6 + 6O2 ---> 6CO2 + 6H2O
>
> Sorry about that.
>
> Joel Rauber then writes...
> > Incoming O2 may be used in other processes as well.
>
> Let's assume that the respiration process given above is not the whole
> story.  We can measure the ratio of P*rho/T of the air we breath in.  Can
> someone measure the ratio of P*rho/T of the air we breath out?  Any
> difference in the ratio will indicate a difference in the average
> molecular weight, right?
>
> ----------------------------------------------------------
> | Robert Cohen               Department of Physics       |
> |                            East Stroudsburg University |
> | bbq@esu.edu                East Stroudsburg, PA  18301 |
> | http://www.esu.edu/~bbq/   (570) 422-3428              |
> ----------------------------------------------------------