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Fe{3+}OH{-}H2SO4 = Fe{3+}SO4{2-}H2O
FeS2 + H2SO4(k) = Fe2(SO4)3 + SO2 + H2O =>
2 FeS2 + 14 H2SO4(k) = Fe2(SO4)3 + 15 SO2 + 14 H2O
S2{-} = S + e =>
S2{-} = 2 S + e
Mn4(SiO4)3 + Pb3(PO3)4 = PbSiO4 + MnPO3 =>
Mn4(SiO4)3 + Pb3(PO3)4 = 3 PbSiO4 + 4 MnPO3
Au + Br = AuBr =>
Au + Br = AuBr
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
[(CH3)3NCH2CH2OH]Cl + NaOH = NaCl[(CH3)3NCH2CH2OH]OH =>
[(CH3)3NCH2CH2OH]Cl + NaOH = NaCl[(CH3)3NCH2CH2OH]OH
LiBr + Pb(NO3)2 = LiNO3 + PbBr2 =>
2 LiBr + Pb(NO3)2 = 2 LiNO3 + PbBr2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CrO2 + Ni = ONi + Cr =>
CrO2 + 2 Ni = 2 ONi + Cr
Au + Br = AuBr2 =>
Au + 2 Br = AuBr2
Ca + Au2Te = CaTe + Au =>
Ca + Au2Te = CaTe + 2 Au
Sc2(SO4)3 + BaCl2 = BaSO4 + ScCl3 =>
Sc2(SO4)3 + 3 BaCl2 = 3 BaSO4 + 2 ScCl3
CoCl2 + Na2O2 + H = Co(OH)3 + Cl + Na =>
2 CoCl2 + 3 Na2O2 + 6 H = 2 Co(OH)3 + 4 Cl + 6 Na
N + O2 = NO =>
2 N + O2 = 2 NO
Ni(NO3)2 + NaOH = Ni(OH)2 + Na(NO3) =>
Ni(NO3)2 + 2 NaOH = Ni(OH)2 + 2 Na(NO3)
Pb(ClO3)2 + KI = PbI2 + K(ClO3) =>
Pb(ClO3)2 + 2 KI = PbI2 + 2 K(ClO3)
Re + Br2 = ReBr2 =>
Re + Br2 = ReBr2
NaCrO2 + NaOH + KClO3 = Na2CrO4 + H2O + KCl =>
2 NaCrO2 + 2 NaOH + KClO3 = 2 Na2CrO4 + H2O + KCl
Au + Br = AuBr3 =>
Au + 3 Br = AuBr3
NaOH + HClO = NaClO + H2O =>
NaOH + HClO = NaClO + H2O
Zn + CuSO4 = Cu + ZnSO4 =>
Zn + CuSO4 = Cu + ZnSO4
Cr2O3 + Br2O5 = Cr(BrO3)3 =>
Cr2O3 + 3 Br2O5 = 2 Cr(BrO3)3
Mn2O7 = MnO2 + O2 =>
2 Mn2O7 = 4 MnO2 + 3 O2
As + ClO{-} + OH{-} = AsO4{-3} + Cl{-} + H2O =>
2 As + 5 ClO{-} + 6 OH{-} = 2 AsO4{-3} + 5 Cl{-} + 3 H2O
Fe2 + Na3PO4 = Fe3(PO4)2 + Na =>
3 Fe2 + 4 Na3PO4 = 2 Fe3(PO4)2 + 12 Na
H + CN = HCN =>
H + CN = HCN
Na2O + SO3 = Na2SO4 =>
Na2O + SO3 = Na2SO4
C + S2O8{2-} + H2O = CO2 + SO4{2-} + H{+} =>
C + 2 S2O8{2-} + 2 H2O = CO2 + 4 SO4{2-} + 4 H{+}
C2H4 = C2H2 + H2 =>
C2H4 = C2H2 + H2
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
K + Ba(C2H3O2) = Ba + KC2H3O2 =>
K + Ba(C2H3O2) = Ba + KC2H3O2
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Cl2 + NaOH = NaCl + NaClO3 + H2O =>
3 Cl2 + 6 NaOH = 5 NaCl + NaClO3 + 3 H2O
CuSO4 + NaNO2 = CuNO2 + NaSO4 =>
CuSO4 + NaNO2 = CuNO2 + NaSO4
NaCl(s) + H2SO4(l) = Na2SO4(s) + HCl(l) =>
2 NaCl(s) + H2SO4(l) = Na2SO4(s) + 2 HCl(l)
RbOH + HNO3 = RbNO3 + H2O =>
RbOH + HNO3 = RbNO3 + H2O
NH2OH + K2Cr2O7 + HCl = N2 + CrCl3 + KCl + H2O =>
6 NH2OH + K2Cr2O7 + 8 HCl = 3 N2 + 2 CrCl3 + 2 KCl + 13 H2O
Mg(SO4) + AgNO3 = Mg(NO3)2 + Ag2(SO4) =>
Mg(SO4) + 2 AgNO3 = Mg(NO3)2 + Ag2(SO4)
(PO4)2 + H2SO4 = (H2PO4)2 + (HSO4)2 =>
(PO4)2 + 4 H2SO4 = (H2PO4)2 + 2(HSO4)2
K2SO4 + HCl = H2SO4 + KCl(aq) =>
K2SO4 + 2 HCl = H2SO4 + 2 KCl(aq)
Na2O + HCl = NaCl + H2 + O =>
Na2O + 2 HCl = 2 NaCl + H2 + O
K2O + CO2 = K2CO3 =>
K2O + CO2 = K2CO3
CaSO4 + BaCl2 = CaCl2 + BaSO4 =>
CaSO4 + BaCl2 = CaCl2 + BaSO4
C6H8O6 + O2 = C6H6O6 + H2O =>
2 C6H8O6 + O2 = 2 C6H6O6 + 2 H2O
K2S2O8(aq) + KI(aq) = I2(aq) + K2SO4(aq) =>
K2S2O8(aq) + 2 KI(aq) = I2(aq) + 2 K2SO4(aq)
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Pb(NO3)2 + K2SO4 = PbSO4 + KNO3 =>
Pb(NO3)2 + K2SO4 = PbSO4 + 2 KNO3
Fe + H2O + NaCl = FeCl2 + H2 + NaOH =>
Fe + 2 H2O + 2 NaCl = FeCl2 + H2 + 2 NaOH
FeSO4 + H2SO4 + KMnO4 = K2SO4 + MnSO4 + H2O + Fe2(SO4)3 =>
10 FeSO4 + 8 H2SO4 + 2 KMnO4 = K2SO4 + 2 MnSO4 + 8 H2O + 5 Fe2(SO4)3
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