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MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
KNO3 = K2O + N3 + O2 =>
12 KNO3 = 6 K2O + 4 N3 + 15 O2
Cl2 + Ca = CaCl =>
Cl2 + 2 Ca = 2 CaCl
Na4 + C2 = NaC2 =>
Na4 + 4 C2 = 4 NaC2
Na2B4O7 + H2SO4 + H2O = H3BO3 + Na2SO4 =>
Na2B4O7 + H2SO4 + 5 H2O = 4 H3BO3 + Na2SO4
MgCl2 + Na2SO3 = MgSO3 + NaCl =>
MgCl2 + Na2SO3 = MgSO3 + 2 NaCl
BaCl2 + Na2SiO4 = BaSiO4 + NaCl =>
BaCl2 + Na2SiO4 = BaSiO4 + 2 NaCl
AgN + NaS = AgS + NaN =>
AgN + NaS = AgS + NaN
BaCl2 + ZnSO4 = BaSO4 + ZnCl2 =>
BaCl2 + ZnSO4 = BaSO4 + ZnCl2
FeCl3 + Ca(OH)2 = Fe(OH)3 + CaCl2 =>
2 FeCl3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 CaCl2
C2H5Cl = C4H8 + HCl =>
2 C2H5Cl = C4H8 + 2 HCl
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
AiF3 + Ca = Ai + CaF2 =>
2 AiF3 + 3 Ca = 2 Ai + 3 CaF2
As2O5 + H2O = H3AsO4 =>
As2O5 + 3 H2O = 2 H3AsO4
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
C2H5Cl = C4H8 + HCl =>
2 C2H5Cl = C4H8 + 2 HCl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
MgSO4 + Na2CO3 = MgCO3 + Na2SO4 =>
MgSO4 + Na2CO3 = MgCO3 + Na2SO4
CH3NH2(g) + O2(g) = N2(g) + H2O(g) + CO2(g) =>
4 CH3NH2(g) + 9 O2(g) = 2 N2(g) + 10 H2O(g) + 4 CO2(g)
NaBH4 + H2O = NaB(OH)4 + H2 =>
NaBH4 + 4 H2O = NaB(OH)4 + 4 H2
Mg{+2} + OH{-} = Mg(OH)2 =>
Mg{+2} + 2 OH{-} = Mg(OH)2
Ag + ZnSO4 = ZnAg4S + O =>
4 Ag + ZnSO4 = ZnAg4S + 4 O
C2H5NH2 + HBr = C2H4BrNH2 + H2 =>
C2H5NH2 + HBr = C2H4BrNH2 + H2
MnO + PBO2 + HNO3 = HMnO4 + PB(NO3) + H2O =>
3 MnO + 5 PBO2 + 5 HNO3 = 3 HMnO4 + 5 PB(NO3) + H2O
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
SnPb(NO3)2 = PbSn(NO3)2 =>
SnPb(NO3)2 = PbSn(NO3)2
KMnO4 + H2O + Na2SO3 = KOH + MnO2 + Na2SO4 =>
2 KMnO4 + H2O + 3 Na2SO3 = 2 KOH + 2 MnO2 + 3 Na2SO4
Zn2(OH)3Cl + NaOH = Zn(OH)2 + NaCl =>
Zn2(OH)3Cl + NaOH = 2 Zn(OH)2 + NaCl
KS + CaI = KI + CaS =>
KS + CaI = KI + CaS
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
HCI + NaOH = NaCI + H2O =>
HCI + NaOH = NaCI + H2O
Pb + H2SO4 = PbSO4 + H2 =>
Pb + H2SO4 = PbSO4 + H2
H2SiF6 + NaOH = NaF + Na2SiO3 + H2O =>
H2SiF6 + 8 NaOH = 6 NaF + Na2SiO3 + 5 H2O
CuCl2 + NH3 + H2O = OH + [Cu(NH3)4(H2O)2] + NH4Cl =>
CuCl2 + 6 NH3 + 4 H2O = 2 OH + [Cu(NH3)4(H2O)2] + 2 NH4Cl
NaOH + CuSO4 = Cu(OH)2 + Na2SO4 =>
2 NaOH + CuSO4 = Cu(OH)2 + Na2SO4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
TaF5(g) + H2O(l) = Ta2O5(l) + HF(g) =>
2 TaF5(g) + 5 H2O(l) = Ta2O5(l) + 10 HF(g)
AgIO3 = Ag + IO3 =>
AgIO3 = Ag + IO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Na2CO3 + CaCl2 = Na2Cl2 + CaCO3 =>
Na2CO3 + CaCl2 = Na2Cl2 + CaCO3
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
KI + Pb(NO3)2 = KNO3 + PbI2 =>
2 KI + Pb(NO3)2 = 2 KNO3 + PbI2
AgNO3 + CuSO4 = Ag2SO4 + Cu(NO3)2 =>
2 AgNO3 + CuSO4 = Ag2SO4 + Cu(NO3)2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
MnO2 + HI = MnI2 + I + H2O =>
MnO2 + 4 HI = MnI2 + 2 I + 2 H2O
C12H22O11 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + CO2 + H2O =>
C12H22O11 + 8 K2Cr2O7 + 32 H2SO4 = 8 K2SO4 + 8 Cr2(SO4)3 + 12 CO2 + 43 H2O
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