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Radio Isotopes

How might you use a radioactive isotope to find out whether the oxygen in CO2 comes from sugar or oxygen gas?
Question asked by: dmonehen

Asked on: 11 Jan 2010

You can use radioactive isotopes to perform reactions and then look at the products of that reaction and see where the radioactive isotope has gone to.

For instance create the reaction that products the CO2 using the two products, but use oxygen gas of a radioactive isotope.

Then look at the CO2 and see which isotope of oxygen it is: if from the oxygen gas then it would be radioactive, if from the sugar then normal.

By: knowitall
Replied at: 12 Jan 2010
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isotopes  radio  

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