Although copper does not usually react with acids, it does react with concentrated nitric acid The reaction is complicated, but one outcome is (a) Name all of the reactants and products (b) Balance the reaction (c) Assign oxidation numbers to the atoms Is this a redox reaction (d) Pre 1983 pennies were made of pure copper If such a penny had a mass of 3 10 g, how many moles of Cu are in one penny How many atoms of copper are in one penny (e) What mass of HNO3 would be needed to completely react with a pre 1983 penny Cu(s) HNO3(conc) Cu(NO3)2(aq) NO(g) HO()

Question: Although copper does not usually react with acids, it does react with concentrated nitric acid. The reaction is complicated, but one outcome is (a)

Although copper does not usually react with acids, it does react with concentrated nitric acid. The reaction is complicated, but one outcome is Cu(s) + HNO3(conc) Cu(NO3)2(aq) + NO(g) + HO()

(a) Name all of the reactants and products.

(b) Balance the reaction.

(d) Pre-1983 pennies were made of pure copper. If such a penny had a mass of 3.10 g, how many moles of Cu are in one penny? How many atoms of copper are in one penny?

(e) What mass of HNO3 would be needed to completely react with a pre-1983 penny?

Cu(s) + HNO3(conc) Cu(NO3)2(aq) + NO(g) + HO()

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