Can Copper Effectively Absorb Carbon from the Air?

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The discussion centers around the claim that copper can absorb significant amounts of carbon from the air, as presented in a science fair project. Participants express skepticism about this assertion, noting that while copper salts can sequester carbon dioxide and molten copper may react with gaseous carbon, metallic copper at room temperature does not effectively absorb carbon. The consensus is that carbon does adhere to copper surfaces, but only in negligible amounts, making the project's claim misleading. The key issue raised is the ambiguity in defining what constitutes "much quantity" of carbon, with most agreeing that any carbon adsorption on copper is minimal and not practically significant. Overall, the project is deemed incorrect based on the scientific understanding of copper's interaction with carbon.
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Is copper absorbs Carbon?

I've just seen in one Science Fair project. In that there was one project. it was about pollution. There was a model of sizing machine. The boy who made this project says " If we use Copper in Sizing boilers, Copper will absorb much quantity of Carbon from air".

My question is " Is it true? "

If yes how is it possible?

How much Carbon it will absorb ?

Is that project useful?
 
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whyonlyme said:
" If we use Copper in Sizing boilers, Copper will absorb much quantity of Carbon from air"

Copper salts can sequester carbon dioxide, and molten copper may react with gaseous carbon, but metallic copper at room temperature? Doesn't seem likely.
 


Why it happens?

That was my question..
 


whyonlyme said:
Why it happens?

Your question is painfully ambiguous.

Why WHAT happens?

Especially taking into account fact that - as Mapes wrote - it doesn't happen.
 


I mean why Carbon sticks on Copper?
 


In short - it doesn't.
 


so, was that science project wrong?
 


Carbon in the atmosphere attaches to everything, but only in an extremely thin surface layer. We say that it is "en.wikipedia.org/wiki/Adsorption"[/URL][/i] into the bulk of a copper sample to any great extent. So I guess the tenability of the science project depends upon one's definition of "much quantity of carbon."
 
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whyonlyme said:
so, was that science project wrong?

Assuming your description is correct - project is wrong.

But it seems you are misunderstanding at least parts of our explanation, so it is possible you also misunderstood parts of the project.
 
  • #10


He says that some carbon sticks on Copper from whole Carbon. I also asked him how much carbon or how much percent carbon sticks on it? He says nothing......
 
  • #11


whyonlyme said:
He says that some carbon sticks on Copper from whole Carbon.

That's probably true.

I also asked him how much carbon or how much percent carbon sticks on it? He says nothing......

I agree that's the problem - while some carbon may be adsorbed, its fraction is so small it doesn't matter.

That's assuming we are not missing something from the original project.
 
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