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H2O2 + 3 Fe2 + 2 H{+} = 2 Fe3{+} + 2 H2O
HI + Ca = HICa =>
HI + Ca = HICa
NaBr + CuCl2 = NaCl + CuBr2 =>
2 NaBr + CuCl2 = 2 NaCl + CuBr2
NaBr + NaNO2 + H2SO4 = Br2 + NO + Na2SO4 + H2O =>
2 NaBr + 2 NaNO2 + 2 H2SO4 = Br2 + 2 NO + 2 Na2SO4 + 2 H2O
CH3OH + NaCl = CH3Cl + NaOH =>
CH3OH + NaCl = CH3Cl + NaOH
Fe(s) + Co(NO3)2(aq) = Fe(NO3)2(aq) + Co(s) =>
Fe(s) + Co(NO3)2(aq) = Fe(NO3)2(aq) + Co(s)
Ra(CN)2 + (NH4)3PO4 = Ra3(PO4)2 + NH4CN =>
3 Ra(CN)2 + 2(NH4)3PO4 = Ra3(PO4)2 + 6 NH4CN
Mn(NO3)2(aq) + Na3PO4(aq) = Mn3(PO4)2 + NaNO3(aq) =>
3 Mn(NO3)2(aq) + 2 Na3PO4(aq) = Mn3(PO4)2 + 6 NaNO3(aq)
HCHO + OH = CO2 + H2O =>
HCHO + 4 OH = CO2 + 3 H2O
Be + ClO3 = Be(ClO3)2 =>
Be + 2 ClO3 = Be(ClO3)2
Al + KNO3 + HNO3 = Al(NO3)3 + KNO2 + H2O =>
2 Al + 3 KNO3 + 6 HNO3 = 2 Al(NO3)3 + 3 KNO2 + 3 H2O
Fe(Cl)3 + Na(OH) = Fe(OH)3 + Na(Cl) =>
Fe(Cl)3 + 3 Na(OH) = Fe(OH)3 + 3 Na(Cl)
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
SO3 + BeO = BeSO3 + O2 =>
2 SO3 + 2 BeO = 2 BeSO3 + O2
CrSO4 + Al(NO3)3 = Al2(SO4)3 + Cr(NO3)2 =>
3 CrSO4 + 2 Al(NO3)3 = Al2(SO4)3 + 3 Cr(NO3)2
C4H10 + C2H4 = C10H22 =>
C4H10 + 3 C2H4 = C10H22
Cr(s) + O2 = Cr2O3(s) =>
4 Cr(s) + 3 O2 = 2 Cr2O3(s)
CuCl2 + Pb(NO3)2 = Cu(NO3)2 + PbCl2 =>
CuCl2 + Pb(NO3)2 = Cu(NO3)2 + PbCl2
Na(OH) + Ca(OH)2 + Cl = Ca(OCl)2 + NaCl + H2O =>
2 Na(OH) + Ca(OH)2 + 4 Cl = Ca(OCl)2 + 2 NaCl + 2 H2O
CaCO3 + NaOH = Na2CO3 + Ca(OH)2 =>
CaCO3 + 2 NaOH = Na2CO3 + Ca(OH)2
C2H5OH + I2 + P = C2H5I + H3PO4 + H2O =>
10 C2H5OH + 5 I2 + 2 P = 10 C2H5I + 2 H3PO4 + 2 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
C3H8O + PBr3 = C3H7Br + P(OH)3 =>
3 C3H8O + PBr3 = 3 C3H7Br + P(OH)3
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
(NH4)2SO4 + MgBr2 = NH4Br + MgSO4 =>
(NH4)2SO4 + MgBr2 = 2 NH4Br + MgSO4
Ba(NO3)2(aq) + Na2S(aq) = BaS(s) + Na(NO3)(aq) =>
Ba(NO3)2(aq) + Na2S(aq) = BaS(s) + 2 Na(NO3)(aq)
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
C5H10O2(l) + O2 = CO2(g) + H2O(g) =>
2 C5H10O2(l) + 13 O2 = 10 CO2(g) + 10 H2O(g)
CuNi + HCl = CuCl + H + Ni =>
CuNi + HCl = CuCl + H + Ni
NaOH + S = NaS + Na2SO3 + H2O =>
6 NaOH + 5 S = 4 NaS + Na2SO3 + 3 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Cr(OH)2 = Cr2O3 + H2O + Cr =>
3 Cr(OH)2 = Cr2O3 + 3 H2O + Cr
Mg + N + H2O = MgO + NH3 =>
3 Mg + 2 N + 3 H2O = 3 MgO + 2 NH3
PbCO3 + H2SO4 = PbSO4 + H2O + CO2 =>
PbCO3 + H2SO4 = PbSO4 + H2O + CO2
Pb(s) + Cl2(g) = PbCl2 =>
Pb(s) + Cl2(g) = PbCl2
C7H14 + KMnO4 + H2O = C7H14(OH)2 + MnO2 + KOH =>
3 C7H14 + 2 KMnO4 + 4 H2O = 3 C7H14(OH)2 + 2 MnO2 + 2 KOH
HI(aq) + K2S(aq) = H2S(aq) + KI(aq) =>
2 HI(aq) + K2S(aq) = H2S(aq) + 2 KI(aq)
K2Cr2O7 + Pb(CH3COO)2 = PbCr2O7 + K(CH3COO) =>
K2Cr2O7 + Pb(CH3COO)2 = PbCr2O7 + 2 K(CH3COO)
OCl = Cl + ClO3 =>
3 OCl = 2 Cl + ClO3
Rb(s) + RbNO3(s) = Rb2O(s) + N2(g) =>
10 Rb(s) + 2 RbNO3(s) = 6 Rb2O(s) + N2(g)
Mn2O3 + C = MnO + CO =>
Mn2O3 + C = 2 MnO + CO
SO2 + HNO3 = SO3 + NO2 + H2O =>
SO2 + 2 HNO3 = SO3 + 2 NO2 + H2O
C2 + H2O2 = CO + H2O =>
C2 + 2 H2O2 = 2 CO + 2 H2O
Fe + Co(ClO4)2 = Fe(ClO4)2 + Co =>
Fe + Co(ClO4)2 = Fe(ClO4)2 + Co
H3N + F2 = N2 + NH4F =>
8 H3N + 3 F2 = N2 + 6 NH4F
C2H5OH + O2 = C2O + H6O =>
2 C2H5OH + O2 = 2 C2O + 2 H6O
Br{-} + MnO2 + H2O = Br2 + Mn{2+} + OH{-} =>
2 Br{-} + MnO2 + 2 H2O = Br2 + Mn{2+} + 4 OH{-}
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
NaPO3 + H2O = HPO3 + NaOH =>
NaPO3 + H2O = HPO3 + NaOH
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
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