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2 S2O3{2-} = S4O6{2-} + 2e
CuSO4 + Ba(OH)2 = BaSO4 + Cu(OH)2 =>
CuSO4 + Ba(OH)2 = BaSO4 + Cu(OH)2
C2O3OH + O2 = CO2 + H2O =>
4 C2O3OH + O2 = 8 CO2 + 2 H2O
Na + ZnSO4 = Na2SO4 + Zn =>
2 Na + ZnSO4 = Na2SO4 + Zn
CH3OH + HCl = C2H5Cl + H2O =>
2 CH3OH + HCl = C2H5Cl + 2 H2O
KClO3(aq) = KCl(s) + O2(g) =>
2 KClO3(aq) = 2 KCl(s) + 3 O2(g)
H2S + BrO3{-} + H{+} = S + Br2 + H2O =>
5 H2S + 2 BrO3{-} + 2 H{+} = 5 S + Br2 + 6 H2O
Fe + NaOH + H2O = Na[Fe(OH)6] + H2 =>
2 Fe + 2 NaOH + 10 H2O = 2 Na[Fe(OH)6] + 5 H2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CaCO3 + CH2O2 = CCaCOOH + CO2 + H2O =>
2 CaCO3 + 7 CH2O2 = 2 CCaCOOH + 5 CO2 + 6 H2O
Fe + Ag2CrO4 = Fe2(CrO4)3 + Ag =>
2 Fe + 3 Ag2CrO4 = Fe2(CrO4)3 + 6 Ag
CuSO4 + Ba(OH)2 = BaSO4 + Cu(OH)2 =>
CuSO4 + Ba(OH)2 = BaSO4 + Cu(OH)2
C2H5OH + K2Cr2O7 + H2SO4 = CH3CHO + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H5OH + K2Cr2O7 + 4 H2SO4 = 3 CH3CHO + Cr2(SO4)3 + K2SO4 + 7 H2O
Zn + C = ZnC2 =>
Zn + 2 C = ZnC2
CuSO4 + Ba(OH)2 = BaSO4 + Cu(OH)2 =>
CuSO4 + Ba(OH)2 = BaSO4 + Cu(OH)2
Sn(NO2)4 + K3PO4 = KNO2 + Sn3(PO4)4 =>
3 Sn(NO2)4 + 4 K3PO4 = 12 KNO2 + Sn3(PO4)4
C2O3OH + O2 = CO2 + H2O =>
4 C2O3OH + O2 = 8 CO2 + 2 H2O
Li2S + KOH = LiOH + K2S =>
Li2S + 2 KOH = 2 LiOH + K2S
Pb(NO3)2 + NaBr = PbBr2 + Na(NO3) =>
Pb(NO3)2 + 2 NaBr = PbBr2 + 2 Na(NO3)
Ca(OH)2(aq) + H2SO4(aq) = CaSO4(aq) + H2O =>
Ca(OH)2(aq) + H2SO4(aq) = CaSO4(aq) + 2 H2O
H2S(aq) + Cl2(g) = S8(s) + HCl(aq) =>
8 H2S(aq) + 8 Cl2(g) = S8(s) + 16 HCl(aq)
Zn + OH = Zn(OH)2 =>
Zn + 2 OH = Zn(OH)2
B + H = B2H6 =>
2 B + 6 H = B2H6
Mg(C2H3O2)2 = Mg + C2H3O2 =>
Mg(C2H3O2)2 = Mg + 2 C2H3O2
Al2(SO4)3 + NH4NO3 = (NH4)2SO4 + Al(NO3)3 =>
Al2(SO4)3 + 6 NH4NO3 = 3(NH4)2SO4 + 2 Al(NO3)3
(NH4)3PO4(s) = NH4(aq) + PO4(aq) =>
(NH4)3PO4(s) = 3 NH4(aq) + PO4(aq)
[Ti(NH2CONH2)6] + HI + K2O2 = [Ti(NH2CONH2)6]I3 + K + H2O =>
4[Ti(NH2CONH2)6] + 12 HI + 3 K2O2 = 4[Ti(NH2CONH2)6]I3 + 6 K + 6 H2O
NaHCO3 + H2O = CO2 + NaH3O2 =>
NaHCO3 + H2O = CO2 + NaH3O2
IO3{-} + H2S = I{-} + S + H2O =>
IO3{-} + 3 H2S = I{-} + 3 S + 3 H2O
NaHCO3 + H2O = CO2 + NaH3O2 =>
NaHCO3 + H2O = CO2 + NaH3O2
Ca(NO3)2 + (NH4)2HPO4 + NH4OH = Ca3(PO4)2 + NH4NO3 + H2O =>
3 Ca(NO3)2 + 2(NH4)2HPO4 + 2 NH4OH = Ca3(PO4)2 + 6 NH4NO3 + 2 H2O
Li + O2 = Li(O)4 =>
Li + 2 O2 = Li(O)4
CH3CSNH2 + H2O = CH3CONH2 + SH2 =>
CH3CSNH2 + H2O = CH3CONH2 + SH2
Br5 + HClO + H2O = HBrO3 + HCl =>
2 Br5 + 25 HClO + 5 H2O = 10 HBrO3 + 25 HCl
Al + H2SO2 + O2 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO2 + 3 O2 = Al2(SO4)3 + 3 H2
Cu(NO3)2H6O3 + NaI = NaNO3 + CuI2 + H2O =>
Cu(NO3)2H6O3 + 2 NaI = 2 NaNO3 + CuI2 + 3 H2O
CH3CH2OH + K2MnO4 = CH3COOH + H2O + Mn(OH)2 + K =>
3 CH3CH2OH + 2 K2MnO4 = 3 CH3COOH + H2O + 2 Mn(OH)2 + 4 K
HI + CoCO3 = H2CO3 + CoI2 =>
2 HI + CoCO3 = H2CO3 + CoI2
Zn + Au(NO2) = Zn(NO2) + Au =>
Zn + Au(NO2) = Zn(NO2) + Au
AgNCO + NH4Cl = AgCl + NH2CONH2 =>
AgNCO + NH4Cl = AgCl + NH2CONH2
SO4 + NaOH = SO4(OH) + Na =>
SO4 + NaOH = SO4(OH) + Na
Zn + MoO3 = Mo2O2 + ZnO =>
4 Zn + 2 MoO3 = Mo2O2 + 4 ZnO
Ai(OH)3 + H2S = Ai2S3 + H2O =>
2 Ai(OH)3 + 3 H2S = Ai2S3 + 6 H2O
Pb(NO3)2 + Na2(CO3) = Pb(CO3) + Na(NO3) =>
Pb(NO3)2 + Na2(CO3) = Pb(CO3) + 2 Na(NO3)
C2H5Cl + NaPb = (C2H5)4Pb + NaCl + Pb =>
4 C2H5Cl + 4 NaPb = (C2H5)4Pb + 4 NaCl + 3 Pb
K3PO4 + Cu(NO3)2 + H2O = KNO3 + Cu(OH)2 + H3PO4 =>
2 K3PO4 + 3 Cu(NO3)2 + 6 H2O = 6 KNO3 + 3 Cu(OH)2 + 2 H3PO4
Fe + Ca3N2 = Ca + Fe3N =>
6 Fe + Ca3N2 = 3 Ca + 2 Fe3N
FeTiO3 + C = Fe + TiO2 + CO =>
FeTiO3 + C = Fe + TiO2 + CO
KMnO4 + NaBr + H2SO4 = Na2SO4 + K2SO4 + MnSO4 + H2O + Br2 =>
2 KMnO4 + 10 NaBr + 8 H2SO4 = 5 Na2SO4 + K2SO4 + 2 MnSO4 + 8 H2O + 5 Br2
(NH4)3PO4(aq) + CrBr3(aq) = NH4Br(aq) + CrPO4(s) =>
(NH4)3PO4(aq) + CrBr3(aq) = 3 NH4Br(aq) + CrPO4(s)
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