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4 NH3 + 5 O2 = 4 NO + 6 H2O
CU2S + O2 = CU2O + SO2 =>
2 CU2S + 3 O2 = 2 CU2O + 2 SO2
NI3(s) = N2(g) + I2(s) =>
2 NI3(s) = N2(g) + 3 I2(s)
Mg + HNO3 = Mg(NO3)2 + NO2 + H2O =>
Mg + 4 HNO3 = Mg(NO3)2 + 2 NO2 + 2 H2O
BaCO3(s) = BaO(s) + CO2(g) =>
BaCO3(s) = BaO(s) + CO2(g)
NaOH(ag) + HClO4(ag) = NaClO4(ag) + H2O =>
NaOH(ag) + HClO4(ag) = NaClO4(ag) + H2O
SO2 + KMnO4 + KOH = K2SO4 + MnO2 + H2O =>
3 SO2 + 2 KMnO4 + 4 KOH = 3 K2SO4 + 2 MnO2 + 2 H2O
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
Zn + FeCl2 = ZnCl2 + Fe =>
Zn + FeCl2 = ZnCl2 + Fe
C6H12O6(s) = C(s) + H2O(g) =>
C6H12O6(s) = 6 C(s) + 6 H2O(g)
CaO + N2O5 = Ca(NO3)2 =>
CaO + N2O5 = Ca(NO3)2
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Cu(NH3)4SO4(s) = CuSO4(s) + NH3(g) =>
Cu(NH3)4SO4(s) = CuSO4(s) + 4 NH3(g)
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
PbS + H2O2 = PbSO4 + H2O =>
PbS + 4 H2O2 = PbSO4 + 4 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
NaN3(s) = Na3N(s) + N2(g) =>
3 NaN3(s) = Na3N(s) + 4 N2(g)
Cr2(SO4)3 + Br2 + KOH = K2CrO4 + KBr + K2SO4 + H2O =>
Cr2(SO4)3 + 3 Br2 + 16 KOH = 2 K2CrO4 + 6 KBr + 3 K2SO4 + 8 H2O
N2 + S = NS =>
N2 + 2 S = 2 NS
N2 + S = N2S5 =>
N2 + 5 S = N2S5
Cr2(SO4)3 + Br2 + KOH = K2CrO4 + KBr + K2SO4 + H2O =>
Cr2(SO4)3 + 3 Br2 + 16 KOH = 2 K2CrO4 + 6 KBr + 3 K2SO4 + 8 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Ca(OH)2 + HCl = Ca(OH)Cl + H2O =>
Ca(OH)2 + HCl = Ca(OH)Cl + H2O
KClO3 + HCl = KCl + Cl2 + H2O =>
KClO3 + 6 HCl = KCl + 3 Cl2 + 3 H2O
Mg + HNO3 = Mg(NO3) + N2O + H2O =>
8 Mg + 10 HNO3 = 8 Mg(NO3) + N2O + 5 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
S + KClO3 + H2O = Cl2 + K2SO4 + H2SO4 =>
5 S + 6 KClO3 + 2 H2O = 3 Cl2 + 3 K2SO4 + 2 H2SO4
Mg + HNO3 = Mg(NO3)2 + N2O + H2O =>
4 Mg + 10 HNO3 = 4 Mg(NO3)2 + N2O + 5 H2O
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
(NH4)3PO4 = H3PO4 + NH3 =>
(NH4)3PO4 = H3PO4 + 3 NH3
FeSO4 + H2O2 + HCl = Fe2(SO4)3 + FeCl3 + H2O =>
6 FeSO4 + 3 H2O2 + 6 HCl = 2 Fe2(SO4)3 + 2 FeCl3 + 6 H2O
Ca(OH)2 + HCl = Ca(OH)Cl + H2O =>
Ca(OH)2 + HCl = Ca(OH)Cl + H2O
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
MgCl = Mg + Cl =>
MgCl = Mg + Cl
C2H5OH + PCl3 = C2H5Cl + H3PO3 =>
3 C2H5OH + PCl3 = 3 C2H5Cl + H3PO3
KMnO4 + NH3 = MnO2 + N2 + KOH + H2O =>
2 KMnO4 + 2 NH3 = 2 MnO2 + N2 + 2 KOH + 2 H2O
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
AgNO3(aq) + H2SO4(aq) = Ag2SO4(s) + HNO3(aq) =>
2 AgNO3(aq) + H2SO4(aq) = Ag2SO4(s) + 2 HNO3(aq)
Pb(OH)2 + Hg2S = PbS + Hg2(OH)2 =>
Pb(OH)2 + Hg2S = PbS + Hg2(OH)2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
K2Cr2O7 + HCl = KCl + CrCl2 + Cl2 + H2O =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl2 + 4 Cl2 + 7 H2O
NaOH + NaNO2 + Al + H2O = NH3 + NaAlO2 =>
NaOH + NaNO2 + 2 Al + H2O = NH3 + 2 NaAlO2
Ca(NO3)2(aq) + H2SO4(aq) = CaSO4(s) + HNO3(aq) =>
Ca(NO3)2(aq) + H2SO4(aq) = CaSO4(s) + 2 HNO3(aq)
CuFeS2 + Fe2(SO4)3 = CuSO4 + FeSO4 + S =>
CuFeS2 + 2 Fe2(SO4)3 = CuSO4 + 5 FeSO4 + 2 S
((NH4)3PO4) = H3PO4 + NH3 =>
((NH4)3PO4) = H3PO4 + 3 NH3
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
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