Classify the following reactions: HNO3(aq)+NH3(aq)→NH4NO3(aq)HNO3(aq) +NH3(aq)→NH4NO3(aq) 2Cu(s)+O2(g)→2CuO(s)2Cu(s)+O2(g)→2C uO(s) NaCl(aq)+AgNO3(aq)→NaNO3(aq)+AgCl(s )NaCl(aq)+AgNO3(aq)→NaNO3(aq)+AgCl( s) 2LiOH(aq)+H2SO4(aq)→Li2SO4(aq)+2H2O (l)2LiOH(aq)+H2SO4(aq)→Li2SO4(aq)+2 H2O(l) CaCl2(aq)+K2CO3(aq)→2KCl(aq)+CaCO3( s)

Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4.0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.