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2 Cu2O3 + 4 H2SO4 = 4 CuSO4 + O2 + 4 H2O
Hg + CO3 = Hg2(CO3)2 =>
2 Hg + 2 CO3 = Hg2(CO3)2
CH3COOH + H2SO4 = CH3COOSO4 + H2 =>
2 CH3COOH + 2 H2SO4 = 2 CH3COOSO4 + 3 H2
CaO + C2 = CaC2 + CO2 =>
4 CaO + 5 C2 = 4 CaC2 + 2 CO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CO3{2-} + [Ag(NH3)2]{+} = Ag2CO3 + NH3 =>
CO3{2-} + 2[Ag(NH3)2]{+} = Ag2CO3 + 4 NH3
Cl2(g) + S8(s) = S2Cl2(l) =>
4 Cl2(g) + S8(s) = 4 S2Cl2(l)
C25H52 + O2 = H2O + C =>
C25H52 + 13 O2 = 26 H2O + 25 C
C3Cl3N3O3 + HCl = Cl + C3H3N3O3 =>
C3Cl3N3O3 + 3 HCl = 6 Cl + C3H3N3O3
MnBr2 + (NH4)2CO3 = MnCO3 + NH4Br =>
MnBr2 + (NH4)2CO3 = MnCO3 + 2 NH4Br
K + C + O = KCO =>
K + C + O = KCO
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
CO2 + HI = CI4 + H2O =>
CO2 + 4 HI = CI4 + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
AlP + H2O = Al2O3*3H2O + PH3 =>
2 AlP + 6 H2O = Al2O3*3H2O + 2 PH3
I2 + Br2 + H2O = HBr + HIO3 =>
I2 + 5 Br2 + 6 H2O = 10 HBr + 2 HIO3
Be + HCl = BeCl2 + H2 =>
Be + 2 HCl = BeCl2 + H2
ClC6H4NH2 + HCl = ClC6H4NH3 + Cl =>
ClC6H4NH2 + HCl = ClC6H4NH3 + Cl
K4(Fe(CN)6) = KCN + FeC2 + N2 =>
K4(Fe(CN)6) = 4 KCN + FeC2 + N2
BCl3(g) + H2O = B(OH)3(aq) + HCl =>
BCl3(g) + 3 H2O = B(OH)3(aq) + 3 HCl
NaBr + K3PO4 = Na3PO4 + BrK =>
3 NaBr + K3PO4 = Na3PO4 + 3 BrK
Sc + HNO3 = Sc(NO3)3 + N2O + H2O =>
8 Sc + 30 HNO3 = 8 Sc(NO3)3 + 3 N2O + 15 H2O
Na2SO4 + CoCl2 = Na2Cl2 + CoSO4 =>
Na2SO4 + CoCl2 = Na2Cl2 + CoSO4
Au2O3 + Fe = Au + FeO =>
Au2O3 + 3 Fe = 2 Au + 3 FeO
C8H16(g) + O2(g) = CO2(g) + H2O(l) =>
C8H16(g) + 12 O2(g) = 8 CO2(g) + 8 H2O(l)
Fe2(SO4)3 + KNO3 = Fe(NO3)3 + K2SO4 =>
Fe2(SO4)3 + 6 KNO3 = 2 Fe(NO3)3 + 3 K2SO4
Ba(C2H3O2)2 + K2CO3 = BaCO3 + K(C2H3O2) =>
Ba(C2H3O2)2 + K2CO3 = BaCO3 + 2 K(C2H3O2)
Cs(s) + F2(g) = CsF(s) =>
2 Cs(s) + F2(g) = 2 CsF(s)
Ca(OH)2 + C6H12O6 = Ca(C6H10O6) + H2O =>
Ca(OH)2 + C6H12O6 = Ca(C6H10O6) + 2 H2O
P + Cl2 = PCl3 =>
2 P + 3 Cl2 = 2 PCl3
(NH4)2SO4(s) + BaCl2(s) = NH4Cl + BaSO4 =>
(NH4)2SO4(s) + BaCl2(s) = 2 NH4Cl + BaSO4
SO2(s) + H2O(l) = H2SO3 =>
SO2(s) + H2O(l) = H2SO3
V3(PO3)5 + CaCO3 = V2(CO3)5 + Ca3(PO3)2 =>
2 V3(PO3)5 + 15 CaCO3 = 3 V2(CO3)5 + 5 Ca3(PO3)2
AlCl3 + K3PO4 = AlPO4 + KCl =>
AlCl3 + K3PO4 = AlPO4 + 3 KCl
KOH + NHO3 = HOH + KNO3 =>
KOH + NHO3 = HOH + KNO3
BaI2(aq) + Na2SO4(aq) = BaSO4(s) + NaI(aq) =>
BaI2(aq) + Na2SO4(aq) = BaSO4(s) + 2 NaI(aq)
(NH4)2[Co(SCN)4] + H2O = [Co(H2O)6](SCN)2 + NH4SCN =>
(NH4)2[Co(SCN)4] + 6 H2O = [Co(H2O)6](SCN)2 + 2 NH4SCN
Fe2(SO3)3 + Mg(ClO4)2 = Fe(ClO4)3 + MgSO3 =>
Fe2(SO3)3 + 3 Mg(ClO4)2 = 2 Fe(ClO4)3 + 3 MgSO3
KCuI4 + Na2S2O7 = I2 + SO2 + CuSO4 + K2SO4 + Na2SO4 =>
2 KCuI4 + 6 Na2S2O7 = 4 I2 + 3 SO2 + 2 CuSO4 + K2SO4 + 6 Na2SO4
Na + Ag2S = Na2S + Ag =>
2 Na + Ag2S = Na2S + 2 Ag
Pb(NO3)2 + Na3 + OH = PbOH + Na(NO3)2 =>
3 Pb(NO3)2 + Na3 + 3 OH = 3 PbOH + 3 Na(NO3)2
K3PO4 + P2O5 + H2O = K2HPO4 =>
4 K3PO4 + P2O5 + 3 H2O = 6 K2HPO4
K2Cr2O7 + H2SO4 + Na2C2O4 = Na2SO4 + CO2 + Cr2(SO4)3 + H2O + K2SO4 =>
K2Cr2O7 + 7 H2SO4 + 3 Na2C2O4 = 3 Na2SO4 + 6 CO2 + Cr2(SO4)3 + 7 H2O + K2SO4
Fe + H2O = H2 + FeO =>
Fe + H2O = H2 + FeO
ZnCO3 + H2O = Zn(OH)2 + H2CO3 =>
ZnCO3 + 2 H2O = Zn(OH)2 + H2CO3
(COOH)2 + H2O = (COO)2 + H3O =>
(COOH)2 + 2 H2O = (COO)2 + 2 H3O
Kl + FeCl3 = KlFe + Cl2 =>
2 Kl + 2 FeCl3 = 2 KlFe + 3 Cl2
K2CrO4 + C2H5OH + H2SO4 = CH3COOH + H2O + Cr2(SO4)3 + K2SO4 =>
4 K2CrO4 + 3 C2H5OH + 10 H2SO4 = 3 CH3COOH + 13 H2O + 2 Cr2(SO4)3 + 4 K2SO4
Li2Be3 + Fe2O3 = Li2O3 + Fe2Be3 =>
Li2Be3 + Fe2O3 = Li2O3 + Fe2Be3
Fe(NO3)3(aq) + Na2SO4(aq) = Fe2(SO4)3 + NaNO3 =>
2 Fe(NO3)3(aq) + 3 Na2SO4(aq) = Fe2(SO4)3 + 6 NaNO3
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