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2 Fe + 3 Cl2 = 2 FeCl3
Fe{2+} + S{-} = FeS2 =>
Fe{2+} + 2 S{-} = FeS2
K2CrO7 + H2SO4 + CH3CH2OH = Cr2(SO4)3 + H2O + CH3CHO + K2SO4 =>
2 K2CrO7 + 5 H2SO4 + 9 CH3CH2OH = Cr2(SO4)3 + 14 H2O + 9 CH3CHO + 2 K2SO4
K + HPO4 = K2HPO4 =>
2 K + HPO4 = K2HPO4
Ba(OH)2 + K2CO3 = Ba2(CO3)2 + KOH =>
2 Ba(OH)2 + 2 K2CO3 = Ba2(CO3)2 + 4 KOH
C6H6O7 + C6H10O3 = C10H8O3 + H2O =>
7 C6H6O7 + 23 C6H10O3 = 18 C10H8O3 + 64 H2O
Ni2O3 + H2O = Ni(OH)2 + OH =>
Ni2O3 + 3 H2O = 2 Ni(OH)2 + 2 OH
B + V2O5 = (BO)2 + VB2 =>
18 B + 2 V2O5 = 5(BO)2 + 4 VB2
Mg + HCIO4 = Mg(CIO4)2 + H2(g) =>
Mg + 2 HCIO4 = Mg(CIO4)2 + H2(g)
Co2S3 + H2O6 = CoSO4 + H2O + H2SO4 =>
5 Co2S3 + 11 H2O6 = 10 CoSO4 + 6 H2O + 5 H2SO4
H2SO2 + V(OH)2 = V(SO2) + H2O =>
H2SO2 + V(OH)2 = V(SO2) + 2 H2O
NH3 + Cl = NH4Cl + N2 =>
8 NH3 + 6 Cl = 6 NH4Cl + N2
BrO3{-} + H2O + I{-} = Br2 + OH{-} + I2 =>
2 BrO3{-} + 6 H2O + 10 I{-} = Br2 + 12 OH{-} + 5 I2
Fe(III)Cl + (NH4)OH = Fe(III)OH + (NH4)Cl =>
Fe(III)Cl + (NH4)OH = Fe(III)OH + (NH4)Cl
[Me4N]2[CuCl4] + NaOH = [Me4N]4[Cu4OCl10] + Cl({-}) + [Me4N]{+} + H2O + NaCl =>
4[Me4N]2[CuCl4] + 2 NaOH = [Me4N]4[Cu4OCl10] + 4 Cl({-}) + 4[Me4N]{+} + H2O + 2 NaCl
C6H6O7 + C6H10O3 = C10H8O3 + H2O =>
7 C6H6O7 + 23 C6H10O3 = 18 C10H8O3 + 64 H2O
Sn(OH)3 + H3PO4 = H2O + SnPO4 =>
Sn(OH)3 + H3PO4 = 3 H2O + SnPO4
CuO + NO2 = Cu(NO3)2 + N2 =>
4 CuO + 10 NO2 = 4 Cu(NO3)2 + N2
HgNO3 + HCl2 = HgCl2 + HNO3 =>
HgNO3 + HCl2 = HgCl2 + HNO3
As + HCl + HNO3 = AsCl3 + NOCl + H2O =>
2 As + 9 HCl + 3 HNO3 = 2 AsCl3 + 3 NOCl + 6 H2O
CUL2 = CUL + L2 =>
2 CUL2 = 2 CUL + L2
H3PO4 + IO{-} = HIO + H2PO4{-} =>
H3PO4 + IO{-} = HIO + H2PO4{-}
C2H6O + O2 = C2HO2 + H2O =>
4 C2H6O + 7 O2 = 4 C2HO2 + 10 H2O
C6H6O7 + C6H10O3 = C10H8O3 + H2O =>
7 C6H6O7 + 23 C6H10O3 = 18 C10H8O3 + 64 H2O
Sn + O2 = Sn2O =>
4 Sn + O2 = 2 Sn2O
Na2B4O7(s) + HCl(aq) + H2O(l) = NaCl(aq) + H3BO3(aq) =>
Na2B4O7(s) + 2 HCl(aq) + 5 H2O(l) = 2 NaCl(aq) + 4 H3BO3(aq)
F2 + CaBr2 = Br2 + CaF2 =>
F2 + CaBr2 = Br2 + CaF2
NaAlO2 + HBr = NaBr + AlBr3 + H2O =>
NaAlO2 + 4 HBr = NaBr + AlBr3 + 2 H2O
Na2O + H2O = Na(OH)2 + H2 =>
Na2O + 3 H2O = 2 Na(OH)2 + H2
C138H98O9S + O2 = CO2 + H2O + SO2 =>
C138H98O9S + 159 O2 = 138 CO2 + 49 H2O + SO2
AgNO4 = AgNO2 + O2 =>
AgNO4 = AgNO2 + O2
CH3CHOHCH3 + KMnO4 + H2SO4 = CH3COOH + K2SO4 + MnSO4 + H2O =>
10 CH3CHOHCH3 + 12 KMnO4 + 18 H2SO4 = 15 CH3COOH + 6 K2SO4 + 12 MnSO4 + 28 H2O
C11H21O5 + O2 = CO2 + H2O =>
4 C11H21O5 + 55 O2 = 44 CO2 + 42 H2O
KNO3 + C20H7O + S = K2S + CO2 + N2 + H2O =>
170 KNO3 + 12 C20H7O + 85 S = 85 K2S + 240 CO2 + 85 N2 + 42 H2O
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Li2S + Ba(OH)2 = LiOH + BaS =>
Li2S + Ba(OH)2 = 2 LiOH + BaS
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
Mg + H2SO4 = H2 + MgSO4 =>
Mg + H2SO4 = H2 + MgSO4
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
RCOOH + Mg = RCOOMg + H2 =>
2 RCOOH + 2 Mg = 2 RCOOMg + H2
Cu{+} + Fe{2+} = Cu{2+} + Fe{+} =>
Cu{+} + Fe{2+} = Cu{2+} + Fe{+}
(CH3)3N + HNO3 = CH3NO3 + NH3 =>
(CH3)3N + 3 HNO3 = 3 CH3NO3 + NH3
C2H4O2 + CaCO3 = Ca(C2H3O2)2 + H2O + CO2 =>
2 C2H4O2 + CaCO3 = Ca(C2H3O2)2 + H2O + CO2
MoS2 + O2 + H{+} = SO4{2+} + HMoO4{-} + H2O =>
2 MoS2 + 13 O2 + 6 H{+} = 4 SO4{2+} + 2 HMoO4{-} + 2 H2O
C6H6O7 + C6H10O3 = C10H8O3 + H2O =>
7 C6H6O7 + 23 C6H10O3 = 18 C10H8O3 + 64 H2O
R + H2SO4 = R2(SO4)3 + H2 =>
2 R + 3 H2SO4 = R2(SO4)3 + 3 H2
Hg2Cl2 + SnCl2 + HCl = Hg + H2[SnCl6] =>
Hg2Cl2 + SnCl2 + 2 HCl = 2 Hg + H2[SnCl6]
Ca(HCO3)2 + CH3COOH = C4H6CaO4 + H2O + CO2 =>
Ca(HCO3)2 + 2 CH3COOH = C4H6CaO4 + 2 H2O + 2 CO2
TiCl4(s) + H2(g) + O2(g) = TiO2(s) + HCl(g) =>
TiCl4(s) + 2 H2(g) + O2(g) = TiO2(s) + 4 HCl(g)
Cu2S + HNO3 = Cu(NO3)2 + NO2 + H2O + S =>
Cu2S + 8 HNO3 = 2 Cu(NO3)2 + 4 NO2 + 4 H2O + S
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