What is the copper cycle and why is it important?

Answer 1

The "Copper Cycle" is a laboratory exersize where you start with a piece of copper metal (like a pre 1982 penney), dissolve it in concentrated nitric acid, precipitate it a copper (II) hydroxide, dissolve it in hydrochloric acid, and reduce everything back to copper metal. It is important because it demonstrats the broadness of copper chemistry.

Answer 2

The Copper Cycle

Answer 3

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The Copper Cycle is a series of chemical reactions that proves conservation of mass. You start with a piece of copper metal, dissolve it in concentrated nitric acid, precipitate it as copper (II) hydroxide, dissolve that in hydrochloric acid, and reduce everything back to copper metal with the same mass that you started with.

Answer 4

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What is the copper cycle and why is it important?

Answer 5

Reactions of the Copper Cycle

Reaction 1: Converting Copper metal to copper nitrate Cu(s)+ 4HNO3(aq) ®Cu(NO3)2(aq) + 2NO2(g)+ 2H2O(l)
Reaction 2: Converting Copper nitrate to Copper hydroxide Cu(NO3)2(aq)+ 2NaOH(aq)®Cu(OH)2(s)+ 2NaNO3(aq)
Reaction 3: Converting copper hydroxide to copper oxide Cu(OH)2(s) + heat ® CuO(s) + H2O(g)
Reaction 4: Converting copper oxide to copper sulfate CuO + H2SO4 ® CuSO4(aq) + H2O(l)
Reaction 5: Converting copper sulfate back to copper metal CuSO4(aq) + Zn(s) ® ZnSO4(aq) + Cu(s)

This experiment / reactions show :
According to the Law of Conservation of Matter, matter cannot be created or destroyed....