SCCC Chemistry Predicting Practice Problems For each of the following sets of reactants, write the formulas for the products (including physical states) and balance the equation if the reaction occurs, or write “NR” for no reaction. a. Al(s) + H2O(l) → NR (Al is not an active metal.) b 6 HCl(aq) + Al2(CO3)3(s) → 3 H2O(l) + 3 CO2(g) + 2 AlCl3(aq) c. K3PO4(aq) + NaCl(aq) → NR (Both products are soluble.) d. 3 Ba(OH)2(aq) + 2 H3PO4(aq) → 6 H2O(l) + Ba3(PO4)2(s) e. 3 HNO3(aq) + Fe(OH)3(s) → 3 H2O(l) + Fe(NO3)3(aq) f. 2 CH3OH(l) + 3 O2(g) Δ⎯ → ⎯ 4 H2O(g) + 2 CO2(g) g. 3 K2CrO4(aq) + 2 Fe(NO3)3(aq) → 6 KNO3(aq) + Fe2(CrO4)3(s) h. 2 NiCl3(aq) + 3 Na2CO3(aq) → 6 NaCl(aq) + Ni2(CO3)3(s) i. C2H5OH(l) + 3 O2(g) Δ⎯ → ⎯ 3 H2O(g) + 2 CO2(g) j. 2 H2O(l) + 2 Li(s) → H2(g) + 2 LiOH(aq) k. 2 Al(NO3)3(aq) + 3 Mg(s) → 2 Al(s) + 3 Mg(NO3)2(aq) l. K2CO3(aq) + 2 HClO4(aq) → H2O(l) + CO2(g) + 2 KClO4(aq) m. Na3PO4(aq) + NH4Cl(aq) → NR (Both products are soluble.) n. 2 LiOH(aq) + H2SO3(aq) → 2 H2O(l) + Li2SO3(aq)o. 2 HCl(aq) + Zn(s) → H2(g) + ZnCl2(aq) p. C7H16(l) + 11 O2(g) Δ⎯ → ⎯ 7 CO2(g) + 8 H2O(g) q. 2 HNO3(aq) + Cu(OH)2(s) → 2 H2O(l) + Cu(NO3)2 (aq) r. Ca(OH)2(aq) + NaClO4(aq) → NR (Both products are soluble.) s. Mg(s) + 2 HNO3(aq) → H2(g) + Mg(NO3)2(aq) t. NH4NO3(aq) + NaOH(aq) → H2O(l) + NH3(g) + NaNO3(aq) u. Sr(s) + 2 H2O(l) → H2(g) + Sr(OH)2(aq) v. Ca(HCO3)2(s) + 2 HClO3(aq) → 2 H2O(l) + 2 CO2(g) + Ca(ClO3)2(aq) w. Na2SO4(aq) + 2 AgNO3(aq) → 2 NaNO3(aq) + Ag2SO4(s) x. 2 KOH(aq) + (NH4)2SO4(aq) → 2 H2O(l) + 2 NH3(g) + K2SO4(aq) y. 2 NiCl3(aq) + 3 Zn(s) → 2 Ni(s) + 3 ZnCl2(aq) z. 2 C8H18(l) + 25 O2(g) Δ⎯ → ⎯ 16 CO2(g) + 18 H2O(g) aa. 2 Al(s) + 3 Pb(NO3)2(aq) → 3 Pb(s) + 2 Al(NO3)3(aq) bb. 2 C3H8O(l) + 9 O2(g) Δ⎯ → ⎯ 6 CO2(g) + 8 H2O(g) cc. NaHCO3(aq) + HNO2(aq) → H2O(l) + CO2(g) +
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