The lead containing reactants consumed during discharging of a lead acid

The lead containing reactants consumed during

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11. The lead-containing reactant(s) consumed during dischargingof a lead-acid battery is/are _______ (a) Pb(s) only (b) PbSO4(s) only (c) only PbO2(s) (d) both PbO2(s) and PbSO4(s) (e) both Pb(s) and PbO2(s)Pb(s) + PbO2(s) + 2 H2SO42 PbSO4(s) + 2 H2O 12. A cell is constructed in the usual fashion in which half-cell A contains 0.2M ZnSO4and a Zn(s) electrode. Half-cell B contains 2.0M ZnSO4and a Zn(s) electrode. Choose the correct statement: Rxn is Zn2+(2.0 M) Zn2+(0.2 M) 13. How does the electrolysis of NaCl(aq) and NaCl() differ? (c) NaCl(aq) electrolysis produces Na() but NaCl() electrolysis does not (d) NaCl(aq) electrolysis requires electricity but NaCl() electrolysis does not (e) NaCl(aq) electrolysis produces NaOH but NaCl() electrolysis does not 14. How many seconds are required to produce 9.00 g of aluminum metal from the electrolysis of molten Al2(SO4)3with an electrical current of 6.00 A? (9.00g)(1 mol Al/27 g)(3 mol e-/1 mol Al)(96500 col/mol e-)(1/6.00 A) 15. When 1 M cobalt(II) nitrate is electrolyzed, the products are: (a) Co2+, H2(b) Co2+, O2(c) Co, N2(d) H2, N2(e) Co, O2transition metal metal oxyanion water oxidation (O2)
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112S12E2 3-7-12 p.3
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