| Re: carbon or carbon dioxide ??
Quote:
Originally Posted by Gill Catton  Interesting so you need only expose carbon rich things like coal or oil (or peat?) to the air and it forms CO2? Or do you need to burn them? | You need to burn them to free the atoms from the molecules that they are currently in. A lump of coal is pretty inert and does not give off CO2 on it's own.
I takes ridiculously high temperatures to burn a diamond but yes, it too would produce CO2 if you did.
Dave P.
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