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Cu + HNO₃ = CuNO₃ + NO + H₂O =>
3 Cu + 4 HNO₃ = 3 CuNO₃ + NO + 2 H₂O

Ba(OH)₂(aq) + CoCl₂(aq) = BaCl₂(aq) + Co(OH)₂(s) =>
Ba(OH)₂(aq) + CoCl₂(aq) = BaCl₂(aq) + Co(OH)₂(s)

NH₄NO₃ + PbCl₂ = Pb(NO₃)₂ + NH₄Cl =>
2 NH₄NO₃ + PbCl₂ = Pb(NO₃)₂ + 2 NH₄Cl

AgNO₃(aq) + NaI(aq) = NaNO₃(aq) + AgI(s) =>
AgNO₃(aq) + NaI(aq) = NaNO₃(aq) + AgI(s)

AgNO₃(aq) + H₂SO₄(aq) = Ag₂SO₄(aq) + HNO₃(aq) =>
2 AgNO₃(aq) + H₂SO₄(aq) = Ag₂SO₄(aq) + 2 HNO₃(aq)

Pb(C₂H₃O₂)₂(aq) + Li₂SO₄(aq) = LiC₂H₃O₂(aq) + PbSO₄(s) =>
Pb(C₂H₃O₂)₂(aq) + Li₂SO₄(aq) = 2 LiC₂H₃O₂(aq) + PbSO₄(s)

Pb(C₂H₃O₂)₂(aq) + NaI(aq) = NaC₂H₃O₂(aq) + PbI₂(s) =>
Pb(C₂H₃O₂)₂(aq) + 2 NaI(aq) = 2 NaC₂H₃O₂(aq) + PbI₂(s)

Al(OH)₃ + Ca(IO₄)₂ = Al(IO₄)₃ + Ca(OH)₂ =>
2 Al(OH)₃ + 3 Ca(IO₄)₂ = 2 Al(IO₄)₃ + 3 Ca(OH)₂

C₃H₈O + O₂ = CO₂ + H₂O =>
2 C₃H₈O + 9 O₂ = 6 CO₂ + 8 H₂O

NaHCO₃ = Na₂CO₃ + H₂O + CO₂ =>
2 NaHCO₃ = Na₂CO₃ + H₂O + CO₂

C₃H₈ + O₂ = CO₂ + H₂O =>
C₃H₈ + 5 O₂ = 3 CO₂ + 4 H₂O

Pb(C₂H₃O₂)₂(aq) + FeCl₃(aq) = Fe(C₂H₃O₂)₃(aq) + PbCl₂(s) =>
3 Pb(C₂H₃O₂)₂(aq) + 2 FeCl₃(aq) = 2 Fe(C₂H₃O₂)₃(aq) + 3 PbCl₂(s)

C₃H₈ + O₂ = CO₂ + H₂O =>
C₃H₈ + 5 O₂ = 3 CO₂ + 4 H₂O

Pb(C₂H₃O₂)₂(aq) + AgNO₃(aq) = Pb(NO₃)₂(aq) + AgC₂H₃O₂(aq) =>
Pb(C₂H₃O₂)₂(aq) + 2 AgNO₃(aq) = Pb(NO₃)₂(aq) + 2 AgC₂H₃O₂(aq)

CaCO₃(aq) + NH₄OH(aq) = Ca(OH)₂(s) + (NH₄)₂CO₃(aq) =>
CaCO₃(aq) + 2 NH₄OH(aq) = Ca(OH)₂(s) + (NH₄)₂CO₃(aq)

CaCO₃(aq) + Pb(C₂H₃O₂)₂(aq) = Ca(C₂H₃O₂)₂(aq) + PbCO₃(s) =>
CaCO₃(aq) + Pb(C₂H₃O₂)₂(aq) = Ca(C₂H₃O₂)₂(aq) + PbCO₃(s)

CaCO₃(aq) + AgNO₃(aq) = Ca(NO₃)₂(aq) + Ag₂CO₃(s) =>
CaCO₃(aq) + 2 AgNO₃(aq) = Ca(NO₃)₂(aq) + Ag₂CO₃(s)

AgNO₃ + AlBr₃ = AgBr + Al(NO₃)₃ =>
3 AgNO₃ + AlBr₃ = 3 AgBr + Al(NO₃)₃

CaCO₃(aq) + H₂SO₄(aq) = CaSO₄(s) + H₂CO₃(aq) =>
CaCO₃(aq) + H₂SO₄(aq) = CaSO₄(s) + H₂CO₃(aq)

H₂SO₄(aq) + Li₂CO₃(aq) = H₂CO₃(aq) + Li₂SO₄(aq) =>
H₂SO₄(aq) + Li₂CO₃(aq) = H₂CO₃(aq) + Li₂SO₄(aq)

Pb(C₂H₃O₂)₂(aq) + H₂SO₄(aq) = HC₂H₃O₂(aq) + PbSO₄(s) =>
Pb(C₂H₃O₂)₂(aq) + H₂SO₄(aq) = 2 HC₂H₃O₂(aq) + PbSO₄(s)

H₂SO₄(aq) + AgNO₃(aq) = HNO₃(aq) + Ag₂SO₄(aq) =>
H₂SO₄(aq) + 2 AgNO₃(aq) = 2 HNO₃(aq) + Ag₂SO₄(aq)

H₂SO₄(aq) + Pb(C₂H₃O₂)₂(aq) = HC₂H₃O₂(aq) + PbSO₄(s) =>
H₂SO₄(aq) + Pb(C₂H₃O₂)₂(aq) = 2 HC₂H₃O₂(aq) + PbSO₄(s)

Li₂SO₄(aq) + NaI(aq) = Na₂SO₄(aq) + LiI(aq) =>
Li₂SO₄(aq) + 2 NaI(aq) = Na₂SO₄(aq) + 2 LiI(aq)

B₂O₃ + C = B₄C + CO =>
2 B₂O₃ + 7 C = B₄C + 6 CO

Li₂SO₄(aq) + NH₄OH(aq) = (NH₄)₂SO₄(aq) + LiOH(aq) =>
Li₂SO₄(aq) + 2 NH₄OH(aq) = (NH₄)₂SO₄(aq) + 2 LiOH(aq)

Li₂SO₄(aq) + FeCl₃(aq) = Fe₂(SO₄)₃(aq) + LiCl(aq) =>
3 Li₂SO₄(aq) + 2 FeCl₃(aq) = Fe₂(SO₄)₃(aq) + 6 LiCl(aq)

HBr + KOH = H₂O + KBr =>
HBr + KOH = H₂O + KBr

Li₂SO₄(aq) + AgNO₃(aq) = Ag₂SO₄(aq) + LiNO₃(aq) =>
Li₂SO₄(aq) + 2 AgNO₃(aq) = Ag₂SO₄(aq) + 2 LiNO₃(aq)

Li₂SO₄(aq) + Pb(C₂H₃O₂)₂(aq) = LiC₂H₃O₂(aq) + PbSO₄(s) =>
Li₂SO₄(aq) + Pb(C₂H₃O₂)₂(aq) = 2 LiC₂H₃O₂(aq) + PbSO₄(s)

Si₂H₆ + H₂O = Si(OH)₄ + H₂ =>
Si₂H₆ + 8 H₂O = 2 Si(OH)₄ + 7 H₂

Mg + N₂ = Mg₃N₂ =>
3 Mg + N₂ = Mg₃N₂

NaNO₃(aq) + Li₂CO₃(aq) = Na₂CO₃(aq) + LiNO₃(aq) =>
2 NaNO₃(aq) + Li₂CO₃(aq) = Na₂CO₃(aq) + 2 LiNO₃(aq)

NaNO₃(aq) + NH₄OH(aq) = NaOH(aq) + NH₄NO₃(aq) =>
NaNO₃(aq) + NH₄OH(aq) = NaOH(aq) + NH₄NO₃(aq)

NaNO₃(aq) + FeCl₃(aq) = Fe(NO₃)₃(aq) + NaCl(aq) =>
3 NaNO₃(aq) + FeCl₃(aq) = Fe(NO₃)₃(aq) + 3 NaCl(aq)

NaNO₃(aq) + Pb(C₂H₃O₂)₂(aq) = NaC₂H₃O₂(aq) + Pb(NO₃)₂(aq) =>
2 NaNO₃(aq) + Pb(C₂H₃O₂)₂(aq) = 2 NaC₂H₃O₂(aq) + Pb(NO₃)₂(aq)

NaNO₃(aq) + H₂SO₄(aq) = Na₂SO₄(aq) + HNO₃(aq) =>
2 NaNO₃(aq) + H₂SO₄(aq) = Na₂SO₄(aq) + 2 HNO₃(aq)

CuSO₄(aq) + Li₂CO₃(aq) = Li₂SO₄(aq) + CuCO₃(s) =>
CuSO₄(aq) + Li₂CO₃(aq) = Li₂SO₄(aq) + CuCO₃(s)

CuSO₄(aq) + AgNO₃(aq) = Cu(NO₃)₂(aq) + Ag₂SO₄(aq) =>
CuSO₄(aq) + 2 AgNO₃(aq) = Cu(NO₃)₂(aq) + Ag₂SO₄(aq)

Na₂CrO₄ + HgC₂H₃O₂ = Hg₂CrO₄ + NaC₂H₃O₂ =>
Na₂CrO₄ + 2 HgC₂H₃O₂ = Hg₂CrO₄ + 2 NaC₂H₃O₂

CuSO₄(aq) + Pb(C₂H₃O₂)₂(aq) = Cu(C₂H₃O₂)₂(aq) + PbSO₄(s) =>
CuSO₄(aq) + Pb(C₂H₃O₂)₂(aq) = Cu(C₂H₃O₂)₂(aq) + PbSO₄(s)

NaI(aq) + Ba(OH)₂(aq) = NaOH(aq) + BaI₂(aq) =>
2 NaI(aq) + Ba(OH)₂(aq) = 2 NaOH(aq) + BaI₂(aq)

NaI(aq) + Li₂CO₃(aq) = LiI(aq) + Na₂CO₃(aq) =>
2 NaI(aq) + Li₂CO₃(aq) = 2 LiI(aq) + Na₂CO₃(aq)

NaI(aq) + Pb(C₂H₃O₂)₂(aq) = PbI₂(s) + NaC₂H₃O₂(aq) =>
2 NaI(aq) + Pb(C₂H₃O₂)₂(aq) = PbI₂(s) + 2 NaC₂H₃O₂(aq)

MgCO₃(aq) + NaI(aq) = Na₂CO₃(aq) + MgI₂(aq) =>
MgCO₃(aq) + 2 NaI(aq) = Na₂CO₃(aq) + MgI₂(aq)

MgCO₃(aq) + Li₂SO₄(aq) = Li₂CO₃(aq) + MgSO₄(s) =>
MgCO₃(aq) + Li₂SO₄(aq) = Li₂CO₃(aq) + MgSO₄(s)

MgCO₃(aq) + H₂SO₄(aq) = H₂CO₃(aq) + MgSO₄(s) =>
MgCO₃(aq) + H₂SO₄(aq) = H₂CO₃(aq) + MgSO₄(s)

Fe + Cl₂ = FeCl₃ =>
2 Fe + 3 Cl₂ = 2 FeCl₃

MgCO₃(aq) + AgNO₃(aq) = Mg(NO₃)₂(aq) + Ag₂CO₃(s) =>
MgCO₃(aq) + 2 AgNO₃(aq) = Mg(NO₃)₂(aq) + Ag₂CO₃(s)

KSCN(aq) + NaI(aq) = KI(aq) + NaSCN(aq) =>
KSCN(aq) + NaI(aq) = KI(aq) + NaSCN(aq)

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