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2 NaOH + H2SO4 = Na2SO4 + 2 H2O
FeS2 = Fe3S4 + S2 =>
3 FeS2 = Fe3S4 + S2
NaI(aq) + Na2CO3(aq) = NaCO3(aq) + Na2I(aq) =>
NaI(aq) + Na2CO3(aq) = NaCO3(aq) + Na2I(aq)
NH4Cl(aq) + K2SO4(aq) = (NH4)2SO4(aq) + KCl(aq) =>
2 NH4Cl(aq) + K2SO4(aq) = (NH4)2SO4(aq) + 2 KCl(aq)
C6H7O3 + O2 = CO2 + H2O =>
4 C6H7O3 + 25 O2 = 24 CO2 + 14 H2O
ClO{-} + H{+} + Cu = Cl{-} + H2O + Cu{2+} =>
ClO{-} + 2 H{+} + Cu = Cl{-} + H2O + Cu{2+}
Sn + AgC2H3O2 = Ag + Sn(C2H3O2)2 =>
Sn + 2 AgC2H3O2 = 2 Ag + Sn(C2H3O2)2
ZnO2 + H2SO4 = ZnSO4 + O2 + H2O =>
2 ZnO2 + 2 H2SO4 = 2 ZnSO4 + O2 + 2 H2O
CrCl3 + Mg(OH)2 = Cr(OH)3 + MgCl2 =>
2 CrCl3 + 3 Mg(OH)2 = 2 Cr(OH)3 + 3 MgCl2
Cu + NaOH + O2 + H2O = Na2[Cu(OH)4] =>
2 Cu + 4 NaOH + O2 + 2 H2O = 2 Na2[Cu(OH)4]
(NH4)2SiO3 + NaOH = NH3 + H2O + Na2SiO3 =>
(NH4)2SiO3 + 2 NaOH = 2 NH3 + 2 H2O + Na2SiO3
Gd2O3 + Dy2O3 + Fe2O3 = Gd2DyFe3O9 =>
2 Gd2O3 + Dy2O3 + 3 Fe2O3 = 2 Gd2DyFe3O9
K[Al(OH)4] + CO2 = K2CO3 + Al(OH)3 + H2O =>
2 K[Al(OH)4] + CO2 = K2CO3 + 2 Al(OH)3 + H2O
SnCl2 + HgNO3 + H2O = Hg + SnCl4 + Sn(OH)2 + HNO3 =>
2 SnCl2 + 2 HgNO3 + 2 H2O = 2 Hg + SnCl4 + Sn(OH)2 + 2 HNO3
H2SO4 + Br2 = Br2SO4 + H2 =>
H2SO4 + Br2 = Br2SO4 + H2
(NH4)3PO4 + K2CO3 = (NH4)2CO3 + K3PO4 =>
2(NH4)3PO4 + 3 K2CO3 = 3(NH4)2CO3 + 2 K3PO4
As + NaOH = Na3As + Na3AsO4 + H2O =>
8 As + 24 NaOH = 5 Na3As + 3 Na3AsO4 + 12 H2O
Zn + CuCl2*H2O = ZnCl3 + Cu2 + H2O =>
4 Zn + 6 CuCl2*H2O = 4 ZnCl3 + 3 Cu2 + 6 H2O
Fe2 + KMnO4 = K + FeMnO4 =>
Fe2 + 2 KMnO4 = 2 K + 2 FeMnO4
P + Na2O2 = Na3PO4 + Na2O =>
2 P + 5 Na2O2 = 2 Na3PO4 + 2 Na2O
C9H10O2 = C + H + O =>
C9H10O2 = 9 C + 10 H + 2 O
KCIO3(s) + C(s) = KCI(s) + CO2(g) =>
2 KCIO3(s) + 3 C(s) = 2 KCI(s) + 3 CO2(g)
Al(NO3)3 + OH = Al(OH)3 + NO3 =>
Al(NO3)3 + 3 OH = Al(OH)3 + 3 NO3
Al + Mg(MnO4)2 = Mg + Al(MnO4)3 =>
2 Al + 3 Mg(MnO4)2 = 3 Mg + 2 Al(MnO4)3
Pb(CH3CO2) = CH3CO2 + Pb =>
Pb(CH3CO2) = CH3CO2 + Pb
CuCl + MnO2 + HCl = CuCl2 + MnCl2 + H2O =>
2 CuCl + MnO2 + 4 HCl = 2 CuCl2 + MnCl2 + 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Cl2 + Fl2 = ClFl3 =>
Cl2 + 3 Fl2 = 2 ClFl3
(CH3)7CH2OH(l) + O2(g) = CO2(g) + H2O(g) =>
2(CH3)7CH2OH(l) + 27 O2(g) = 16 CO2(g) + 24 H2O(g)
K2Cr2O7 + H2SO4 + H3CH2OH = Cr2(SO4)3 + H2O + CH3CHO + K2SO4 =>
K2Cr2O7 + 4 H2SO4 + 2 H3CH2OH = Cr2(SO4)3 + 8 H2O + CH3CHO + K2SO4
HgS + H2O2 = H2O + HgSO3 =>
HgS + 3 H2O2 = 3 H2O + HgSO3
NaMnO4 + Fe + H2O = Fe(OH)2 + MnO2 + NaOH =>
2 NaMnO4 + 3 Fe + 4 H2O = 3 Fe(OH)2 + 2 MnO2 + 2 NaOH
H2S + Br2 + H2O = H2SO4 + HBr =>
H2S + 4 Br2 + 4 H2O = H2SO4 + 8 HBr
CH3OH + CH3COOH = CH3COOC2H5 + H2O =>
2 CH3OH + CH3COOH = CH3COOC2H5 + 2 H2O
C7H5NO4 + NaOH = C7H4NO4Na + H2O =>
C7H5NO4 + NaOH = C7H4NO4Na + H2O
HReO4 + LiOH = LiReO4 + H2O =>
HReO4 + LiOH = LiReO4 + H2O
S2O3{2-} + I3{-} = S4O6{2-} + I{-} =>
2 S2O3{2-} + I3{-} = S4O6{2-} + 3 I{-}
C11H15NO2 + C6H10O3 = C15H17NO3 + H2O + C2H5OH =>
C11H15NO2 + C6H10O3 = C15H17NO3 + H2O + C2H5OH
(NH4)2[SnCl6] + H2SO4 = SnCl4 + (NH4)2SO4 + HCl =>
(NH4)2[SnCl6] + H2SO4 = SnCl4 + (NH4)2SO4 + 2 HCl
HClO3 + OH = H2O + ClO3 =>
HClO3 + OH = H2O + ClO3
NaClO3 + SO2 = ClO2 + Na2SO4 =>
2 NaClO3 + SO2 = 2 ClO2 + Na2SO4
NH4NO3(s) + H2O = NH4OH + HNO3 =>
NH4NO3(s) + H2O = NH4OH + HNO3
Ag2O + H2SO4 = AgO + SO2 + H2O =>
Ag2O + H2SO4 = 2 AgO + SO2 + H2O
Al + NaOH + H2O = Na[Al(OH)2] + H2 =>
2 Al + 2 NaOH + 2 H2O = 2 Na[Al(OH)2] + H2
Fe3(PO4)2 + H2O = Fe(OH)2 + H3PO4 =>
Fe3(PO4)2 + 6 H2O = 3 Fe(OH)2 + 2 H3PO4
Cu + H2SO4 = CuSO4 + SO2 + HOH =>
Cu + 2 H2SO4 = CuSO4 + SO2 + 2 HOH
CH3COH + Ag2O = Ag2C2 + H2O =>
CH3COH + Ag2O = Ag2C2 + 2 H2O
CH3CO3H + Zn2 = H2 + ZnCH2CO3 =>
2 CH3CO3H + Zn2 = 2 H2 + 2 ZnCH2CO3
Cr{2+} + Cl2 = Cr{3+} + Cl{-} =>
2 Cr{2+} + Cl2 = 2 Cr{3+} + 2 Cl{-}
MgO + C6H8O7 = Mg3(C6H5O7)2 + H2O =>
3 MgO + 2 C6H8O7 = Mg3(C6H5O7)2 + 3 H2O
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