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2 CuO + ZnO = Cu2ZnO3
Pb + CO2 + O2 = PbCO3 =>
2 Pb + 2 CO2 + O2 = 2 PbCO3
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
P + KClO3 + H2O = H3PO4 + KCl =>
6 P + 5 KClO3 + 9 H2O = 6 H3PO4 + 5 KCl
MnO4{-} + Mn{2+} + OH{-} = MnO2{-} + H2O =>
MnO4{-} + 4 Mn{2+} + 12 OH{-} = 5 MnO2{-} + 6 H2O
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Fe13 + Cl3 = FeCl3 =>
Fe13 + 13 Cl3 = 13 FeCl3
CrF3(aq) + Ba(MnO4)2(aq) = BaF2(aq) + Cr(MnO4)3 =>
2 CrF3(aq) + 3 Ba(MnO4)2(aq) = 3 BaF2(aq) + 2 Cr(MnO4)3
HNO3 + F2 = NO2 + HFO3 + H2O =>
10 HNO3 + F2 = 10 NO2 + 2 HFO3 + 4 H2O
CuC + HCl = CuCl + C2H2 =>
2 CuC + 2 HCl = 2 CuCl + C2H2
F2 + HNO3 = HFO3 + NO + H2O =>
3 F2 + 10 HNO3 = 6 HFO3 + 10 NO + 2 H2O
*Hg2Cl2 + *HI = *Hg2I2 + *HCl =>
*Hg2Cl2 + 2*HI = *Hg2I2 + 2*HCl
[Ni(OH2)6]{2+} + HCl = [NiCl4]{2-} + H3O{+} + H2O =>
[Ni(OH2)6]{2+} + 4 HCl = [NiCl4]{2-} + 4 H3O{+} + 2 H2O
(NH4)2CO3 + KI = (NH4)I + K2CO3 =>
(NH4)2CO3 + 2 KI = 2(NH4)I + K2CO3
CuSO4 + HNO3 = Cu(NO3)2 + H2SO4 = =>
CuSO4 + 2 HNO3 = Cu(NO3)2 + H2SO4
C7H16 + O2 = CO2 + H20(water) =>
5 C7H16 + 35 O2 = 35 CO2 + 4 H20(water)
K2Cr2O7 + KOH = H2O + K2CrO4 =>
K2Cr2O7 + 2 KOH = H2O + 2 K2CrO4
Zn + MnO2 = Mn3O4 + ZnO =>
2 Zn + 3 MnO2 = Mn3O4 + 2 ZnO
Na2MnO4 + Na2SO3 + H2O = MnO2 + Na2SO4 + NaOH =>
Na2MnO4 + Na2SO3 + H2O = MnO2 + Na2SO4 + 2 NaOH
CuC + HCl = CuCl + C2H2 =>
2 CuC + 2 HCl = 2 CuCl + C2H2
AgNO3 + H2O = AgNO3H2O =>
AgNO3 + H2O = AgNO3H2O
Zn + MnO2 = ZnO + Mn2O3 =>
Zn + 2 MnO2 = ZnO + Mn2O3
C7H8 + O2 = C7H8O2 =>
C7H8 + O2 = C7H8O2
Mn(NO3)2 = MnO2N2O4 =>
Mn(NO3)2 = MnO2N2O4
Mg + Ag(NO3)2 = Mg(NO3)2 + Ag =>
Mg + Ag(NO3)2 = Mg(NO3)2 + Ag
H{+} + CrO4{-2} + H2O2 = CrO5 + H2O =>
2 H{+} + CrO4{-2} + 2 H2O2 = CrO5 + 3 H2O
Ni(NO3)2*6H2O + Na2CO3 = NiCO3 + Na(NO3) + H2O =>
Ni(NO3)2*6H2O + Na2CO3 = NiCO3 + 2 Na(NO3) + 6 H2O
HOCH2CH2NH2 + O2 = N2 + H2O + CO2 =>
4 HOCH2CH2NH2 + 13 O2 = 2 N2 + 14 H2O + 8 CO2
S + O2 + H2O = H2SO4 =>
2 S + 3 O2 + 2 H2O = 2 H2SO4
SeH2 + O2 = SeO2 + H2O =>
2 SeH2 + 3 O2 = 2 SeO2 + 2 H2O
Na2S(aq) + AgNO3(aq) = Ag2S(s) + NaNO3(aq) =>
Na2S(aq) + 2 AgNO3(aq) = Ag2S(s) + 2 NaNO3(aq)
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
NH4OH + Mg = NH4Mg + OH =>
NH4OH + Mg = NH4Mg + OH
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
C4H12N2 + O2 = CO2 + H2O + N =>
C4H12N2 + 7 O2 = 4 CO2 + 6 H2O + 2 N
AgNO3 + Na3PO6 = Ag3PO6 + NaNO3 =>
3 AgNO3 + Na3PO6 = Ag3PO6 + 3 NaNO3
Mg + NH4OH = Mg(OH)2 + NH3 + H2 =>
Mg + 2 NH4OH = Mg(OH)2 + 2 NH3 + H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Cu + H2SO4 = CuSO4 + CuS + H2O =>
4 Cu + 4 H2SO4 = 3 CuSO4 + CuS + 4 H2O
MnO2 + AgCl = MnCl4 + Ag2O =>
MnO2 + 4 AgCl = MnCl4 + 2 Ag2O
N2 + H2O = H2O2 + N2H4 =>
N2 + 4 H2O = 2 H2O2 + N2H4
C4H6CaO4 + Li = C2H3LiO2 + Ca =>
C4H6CaO4 + 2 Li = 2 C2H3LiO2 + Ca
N2 + H2O = N2H4 + OH =>
N2 + 4 H2O = N2H4 + 4 OH
Mg(ClO)2(s) = MgCl2(s) + O2(g) =>
Mg(ClO)2(s) = MgCl2(s) + O2(g)
AgNO3 + Ca(OH)2 = Ag(OH)2 + CaNO3 =>
AgNO3 + Ca(OH)2 = Ag(OH)2 + CaNO3
NH3 + O2 = HNO3 + H2O2 =>
2 NH3 + 5 O2 = 2 HNO3 + 2 H2O2
Mg + H3PO4 = Mg(H3PO4) =>
Mg + H3PO4 = Mg(H3PO4)
[Co(NH3)5ONO]Cl2 = [Co(NH3)5NO2]Cl2 =>
[Co(NH3)5ONO]Cl2 = [Co(NH3)5NO2]Cl2
CH3CH2COOH + NH2OH = CH3CH2COONH2 + H2O =>
CH3CH2COOH + NH2OH = CH3CH2COONH2 + H2O
N2 + H2O = NH4NO2 =>
N2 + 2 H2O = NH4NO2
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