catylse - HELP

what is the cataylse and promotors of copper + suhpric acid?

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I'm not sure what u r asking. Do you want to know if Cu is a catalyst for making sulfuric acid? No; the usual catalyst is Pt, which is used to convery sulfur dioxide into sulfur trioxide which combines with water to form sulfuric acid.

Sorry, but what i meant was copper + sulphric acid => Cu2SO4
and the catatylse and promotors for this reaction...

As far as I know, you don't need a catalyst for this reaction; as long as the sulfuric acid isn't too concentrated and the Cu is finely divided the reaction proceeds with aeration; alternatively, cuprous sulfide is oxidized in a furnace and mixed cupric oxide and cupric sulfate are dissolved in sulfuric acid.

Thanks for replying but i have another question. It is posted on another topic...

Thank You for answering :)