Copper Cycle Diagram

Fill-in-the-blank flashcards covering key concepts and steps from the copper cycle diagram on Page 1.

The starting solid in the copper cycle is _____.

Cu(s)

The acid used to oxidize copper at the start is _____.

HNO3(aq)

Copper reacts with the acid to form the aqueous salt _____.

Cu(NO3)2(aq)

A gas released during this reaction is _____.

NO2(g)

The aqueous salt Cu(NO3)2(aq) is formed from copper and _____.

HNO3(aq)

Sodium hydroxide is added to form the precipitate _____.

Cu(OH)2(s)

The precipitate produced is _____.

Cu(OH)2(s)

On heating, Cu(OH)2 becomes the solid _____.

CuO(s)

CuO(s) reacts with sulfuric acid to form the aqueous salt _____.

CuSO4(aq)

The acid used to form CuSO4(aq) from CuO(s) is _____.

H2SO4(aq)

CuSO4(aq) is formed when CuO(s) reacts with _____.

H2SO4(aq)

Zinc metal displaces copper from CuSO4(aq) to yield Cu(s) and the solution containing _____.

ZnSO4(aq)

The solid metal produced at the end of the cycle is _____.

Cu(s)

The aqueous salt produced from zinc is _____.

ZnSO4(aq)

The precipitate Cu(OH)2 is formed in Step 2 when Cu(NO3)2 reacts with _____.

NaOH(aq)

The solid produced by heating Cu(OH)2 is _____.

CuO(s)

CuSO4(aq) can be formed again by reacting CuO(s) with _____.

H2SO4(aq)

The solid used to displace copper in the final step is _____.

Zn(s)

The aqueous salt of copper after Step 4 is _____.

CuSO4(aq)

The gas NO2(g) is produced when copper reacts with _____.

HNO3(aq)

Copper nitrate formed in Step 3 is _____.

Cu(NO3)2(aq)

The oxide produced after Step 2 is _____.

CuO(s)

The aqueous salt of copper after Step 4 is _____.

CuSO4(aq)

The metal reintroduced at the end of the cycle is _____.

Zn(s)