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2 Fe + 6 H2SO4 = 2 Fe{3+} + 6 HSO4{-} + 3 H2
NH4Cl + ZnO = Zn + N2 + ZnCl2 + H2O =>
2 NH4Cl + 4 ZnO = 3 Zn + N2 + ZnCl2 + 4 H2O
NaF + BaS = Na2S + BaF2 =>
2 NaF + BaS = Na2S + BaF2
HBr + Ba(OH)2 = BaBr2 + H2O =>
2 HBr + Ba(OH)2 = BaBr2 + 2 H2O
Fe3O4 + HCl + HNO3 = FeCl3 + NO + H2O =>
3 Fe3O4 + 27 HCl + HNO3 = 9 FeCl3 + NO + 14 H2O
Cr2(SO4)3 + KHCO3 = Cr(OH)3 + K2SO4 + CO2 =>
Cr2(SO4)3 + 6 KHCO3 = 2 Cr(OH)3 + 3 K2SO4 + 6 CO2
SO3 + CaO = Ca(SO4) =>
SO3 + CaO = Ca(SO4)
AgNO3 + C6H5N = (C6H5N)2NO3 + Ag =>
AgNO3 + 2 C6H5N = (C6H5N)2NO3 + Ag
K2S + Ba(NO3)2 = BaS + K(NO3) =>
K2S + Ba(NO3)2 = BaS + 2 K(NO3)
H3[SbCl6] + Na2S2O3 + H2O = Sb2S3 + Na2SO4 + HCl =>
2 H3[SbCl6] + 3 Na2S2O3 + 3 H2O = Sb2S3 + 3 Na2SO4 + 12 HCl
(NH4)3PO4 = P2O5 + H2O + NH3 =>
2(NH4)3PO4 = P2O5 + 3 H2O + 6 NH3
NaNO3 + Mn3(PO4)2 = Na3PO4 + Mn(NO3)2 =>
6 NaNO3 + Mn3(PO4)2 = 2 Na3PO4 + 3 Mn(NO3)2
CuBr + HNO3 = (CuNO3)2 + NO + Br2 + H2O =>
6 CuBr + 8 HNO3 = 3(CuNO3)2 + 2 NO + 3 Br2 + 4 H2O
RbOH + NH4F = RbF + H2O + NH3 =>
RbOH + NH4F = RbF + H2O + NH3
Ca(OH)2 + H2SO3 = CaSO3 + H2O =>
Ca(OH)2 + H2SO3 = CaSO3 + 2 H2O
Pb2 + I = PbI42 =>
Pb2 + 84 I = 2 PbI42
SrF = Sr + F2 =>
2 SrF = 2 Sr + F2
NaSO4 + SrNO3 = SrSO4 + NaNO3 =>
NaSO4 + SrNO3 = SrSO4 + NaNO3
LiOH + K3PO4 = KOH + Li3PO4 =>
3 LiOH + K3PO4 = 3 KOH + Li3PO4
C6H6CH3Cl = C6H5CH3HCl =>
C6H6CH3Cl = C6H5CH3HCl
Br2 + CuCl2 = BrCl + Cu =>
Br2 + CuCl2 = 2 BrCl + Cu
(NH4)2SO4 + CuCl2 = NH4Cl + CuSO4 =>
(NH4)2SO4 + CuCl2 = 2 NH4Cl + CuSO4
ZnCl2Cu(OH)2 = Zn(OH)2CuCl2 =>
ZnCl2Cu(OH)2 = Zn(OH)2CuCl2
KClH2O = HClKOH =>
KClH2O = HClKOH
KMnO4 + Hg + H2SO4 = MnSO4 + HgSO4 + KSO4 + H2O =>
KMnO4 + 2 Hg + 4 H2SO4 = MnSO4 + 2 HgSO4 + KSO4 + 4 H2O
Fe(NO3)2 + SnCl4 = FeCl2 + Sn(NO3)4 =>
2 Fe(NO3)2 + SnCl4 = 2 FeCl2 + Sn(NO3)4
AgOH + KI = AgI + KOH =>
AgOH + KI = AgI + KOH
KCN + CO2 = KO2 + C2N =>
KCN + CO2 = KO2 + C2N
K + C2H4O2 = K(CH3COO) + H2 =>
2 K + 2 C2H4O2 = 2 K(CH3COO) + H2
FeSO4(aq) + BaCl2(aq) = FeCl2(s) + BaSO4(s) =>
FeSO4(aq) + BaCl2(aq) = FeCl2(s) + BaSO4(s)
C2H5NH2 + HBr = C2H5NHBr + H2 =>
C2H5NH2 + HBr = C2H5NHBr + H2
CaCO3 + CaHPO4 = H2O + CO2 + Ca3(PO4)2 =>
CaCO3 + 2 CaHPO4 = H2O + CO2 + Ca3(PO4)2
HC6H5O7 + NaOH = NaC6H5O7 + H2O =>
HC6H5O7 + NaOH = NaC6H5O7 + H2O
CF4 + O3 = CO + F2 =>
3 CF4 + O3 = 3 CO + 6 F2
Bl + O2 = Bl2O5 =>
4 Bl + 5 O2 = 2 Bl2O5
Fe(C2O4)3{3-} + K{+)+H2O = K3Fe(C2O4)3*3H2O =>
Fe(C2O4)3{3-} + 3 K{+)+3H2O = K3Fe(C2O4)3*3H2O
Na + N + H2 = NaNH2 =>
Na + N + H2 = NaNH2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
NH3(aq) + CO2(aq) = CH4N2O(aq) + H2O =>
2 NH3(aq) + CO2(aq) = CH4N2O(aq) + H2O
NiSO4 + Br2 + NaOH = Ni(OH)2 + NaBr + BrSO4 =>
2 NiSO4 + 3 Br2 + 4 NaOH = 2 Ni(OH)2 + 4 NaBr + 2 BrSO4
CaH2(s) + H2O(l) = CaOH2(s) + H2(g) =>
CaH2(s) + H2O(l) = CaOH2(s) + H2(g)
(c)K2Cr2O7(aq) + HI(aq) = KI(aq) + CrI3(aq) + I2(s) + H2O(l) =>
(c)K2Cr2O7(aq) + 14 HI(aq) = 2 KI(aq) + 2 CrI3(aq) + 3 I2(s) + 7 H2O(l)
KClO3 + H2O = HClO3 + KOH =>
KClO3 + H2O = HClO3 + KOH
Ca + (NH4)2CO8 = CaCO8 + (NH4)2 =>
Ca + (NH4)2CO8 = CaCO8 + (NH4)2
HCO2H + OH = H2O + CO2 =>
HCO2H + 2 OH = 2 H2O + CO2
Na + H2SO4 = Na2SO4 + H2 =>
2 Na + H2SO4 = Na2SO4 + H2
Cr2(SO4)3 + K2S2O8 + H2O = K2Cr2O7 + K2SO4 + H2SO4 =>
Cr2(SO4)3 + 3 K2S2O8 + 7 H2O = K2Cr2O7 + 2 K2SO4 + 7 H2SO4
(CH3)2NH + BF3 = (CH3)2NHBF3 =>
(CH3)2NH + BF3 = (CH3)2NHBF3
CH4 + F2 = HF + CHF3 =>
CH4 + 3 F2 = 3 HF + CHF3
Cr2O7{2-}(aq) + H{+}(aq) + I{-}(aq) = Cr{3+}(aq) + I2(s) + H2O(l) =>
Cr2O7{2-}(aq) + 14 H{+}(aq) + 6 I{-}(aq) = 2 Cr{3+}(aq) + 3 I2(s) + 7 H2O(l)
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