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Pb(OH)2 + 2 HgS = Pb(S)2 + 2 Hg(OH)
HBr + PbSO4 = PbBr2 + H2SO4 =>
2 HBr + PbSO4 = PbBr2 + H2SO4
CuCO3 + HCl = CuCl2 + H2O + CO2 =>
CuCO3 + 2 HCl = CuCl2 + H2O + CO2
FeSO4 + Hg(NO3)2 = Fe(NO3)2 + HgSO4 =>
FeSO4 + Hg(NO3)2 = Fe(NO3)2 + HgSO4
Fe3(PO4) + H2O = Fe + O2 + H3PO4 =>
4 Fe3(PO4) + 6 H2O = 12 Fe + 3 O2 + 4 H3PO4
P2O5 + H2SO4 = SO3 + H3PO4 =>
P2O5 + 3 H2SO4 = 3 SO3 + 2 H3PO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al + KJ = K + AlJ3 =>
Al + 3 KJ = 3 K + AlJ3
Zn(CH3COO)2 + NH4OH = CH3COONH4 + Zn(OH)2 =>
Zn(CH3COO)2 + 2 NH4OH = 2 CH3COONH4 + Zn(OH)2
Al2S3 + Fe(OH)2 = Al(OH)3 + FeS =>
Al2S3 + 3 Fe(OH)2 = 2 Al(OH)3 + 3 FeS
P4 + Cl = PCl2(l) =>
P4 + 8 Cl = 4 PCl2(l)
Co(NO3)2 + CaOH2 = CoOH2 + Ca(NO3)2 =>
Co(NO3)2 + CaOH2 = CoOH2 + Ca(NO3)2
C3H5(OH)3 + K = C3H5(OK)3 + H2 =>
2 C3H5(OH)3 + 6 K = 2 C3H5(OK)3 + 3 H2
Co(NO3)2 + CaOH2 = CoOH2 + Ca(NO3)2 =>
Co(NO3)2 + CaOH2 = CoOH2 + Ca(NO3)2
HI + HNO3 = NO + H2OH + I2 =>
10 HI + 2 HNO3 = 2 NO + 4 H2OH + 5 I2
TiO2 + NaOH + H2O = Na2[Ti(OH)6] =>
TiO2 + 2 NaOH + 2 H2O = Na2[Ti(OH)6]
Ne + O2 = NeO2 =>
Ne + O2 = NeO2
PbO2 = O2 + Pb3O =>
6 PbO2 = 5 O2 + 2 Pb3O
U + Cl2 = UCl5 =>
2 U + 5 Cl2 = 2 UCl5
SrS + CuSO4 = SrSO4 + CuS =>
SrS + CuSO4 = SrSO4 + CuS
Ca + FeCl3 = CaCl2 + Fe =>
3 Ca + 2 FeCl3 = 3 CaCl2 + 2 Fe
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
NaCl(s) + H2SO4(l) = Na2SO4(s) + HCl(g) =>
2 NaCl(s) + H2SO4(l) = Na2SO4(s) + 2 HCl(g)
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Na2CO3 + KMnO4 = NaMnO4 + K2CO3 =>
Na2CO3 + 2 KMnO4 = 2 NaMnO4 + K2CO3
Si + Cl2 = SiCl4 =>
Si + 2 Cl2 = SiCl4
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
CdSO4 + KOH = Cd(OH)2 + K2SO4 =>
CdSO4 + 2 KOH = Cd(OH)2 + K2SO4
H2He2 = H3 + He290391 =>
290391 H2He2 = 193594 H3 + 2 He290391
Fe2(SO4)3 + K3PO4 = K2SO4 + FePO4 =>
Fe2(SO4)3 + 2 K3PO4 = 3 K2SO4 + 2 FePO4
Na2S + KClO3 = K2S + NaCl + O2 =>
Na2S + 2 KClO3 = K2S + 2 NaCl + 3 O2
Fe + I2 = FeI2 =>
Fe + I2 = FeI2
MnO2 + HF = MnF2 + F2 + H2O =>
MnO2 + 4 HF = MnF2 + F2 + 2 H2O
Pb(s) + HCl(aq) = PbCl2(ppt) + H2(g) =>
Pb(s) + 2 HCl(aq) = PbCl2(ppt) + H2(g)
FeCrO4 + NaOH + O2 = Na2CrO4 + Fe2O3 + H2O =>
4 FeCrO4 + 8 NaOH + O2 = 4 Na2CrO4 + 2 Fe2O3 + 4 H2O
C6H26 + O2 = CO2 + H2O =>
2 C6H26 + 25 O2 = 12 CO2 + 26 H2O
NCl = N2 + Cl2 =>
2 NCl = N2 + Cl2
Cu(OH)2 + Na2(SO4) = CuSO4 + NaOH =>
Cu(OH)2 + Na2(SO4) = CuSO4 + 2 NaOH
Fe + I2 = FeI2 =>
Fe + I2 = FeI2
C3H6 + C4H10 = C7H16 =>
C3H6 + C4H10 = C7H16
Mg(s) + HCl(aq) = H2(g) + MgCl2(aq) =>
Mg(s) + 2 HCl(aq) = H2(g) + MgCl2(aq)
C12H24O12 = C2H5OH + CO2 =>
C12H24O12 = 4 C2H5OH + 4 CO2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
[Al(OH)2]2SO4 + HCl = Al2(SO4)3 + AlCl3 + H2O =>
3[Al(OH)2]2SO4 + 12 HCl = Al2(SO4)3 + 4 AlCl3 + 12 H2O
SeS2 + O2 = SeO2 + SO2 =>
SeS2 + 3 O2 = SeO2 + 2 SO2
AgF + CaCl2 = AgCa + FCl2 =>
AgF + CaCl2 = AgCa + FCl2
Ag + CNS = AgCNS =>
Ag + CNS = AgCNS
Mn + NaOH + H2O = Na2[Mn(OH)4] + H2 =>
Mn + 2 NaOH + 2 H2O = Na2[Mn(OH)4] + H2
Ni2O3 + Fe + H2O = Ni(OH)2 + Fe(OH)2 =>
Ni2O3 + Fe + 3 H2O = 2 Ni(OH)2 + Fe(OH)2
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