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We have a tube made of carbon atoms. We know that the inner radius is half...

We have a tube made of carbon atoms. We know that the inner radius is half the value of the outer radius.

If the specific surface is 100 m^2 / gram , what are the values of the inner and outer radii ?

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Answer #1

inner radius r, outer radius 2r

surface area=

volume =

density of carbon is around 2 gm/cc

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