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2 Me + O2 = 2 MeO
Na2S + K2SiO3 = K2S + Na2SiO3 =>
Na2S + K2SiO3 = K2S + Na2SiO3
Co3O4 = Co + O2 =>
Co3O4 = 3 Co + 2 O2
K + HClO3 = KClO3 + Cl2 + H2O =>
10 K + 12 HClO3 = 10 KClO3 + Cl2 + 6 H2O
MnO4{-} + SO3{2-} + H2O = MnO4 + SO4{2-} + H{-} =>
2 MnO4{-} + SO3{2-} + H2O = 2 MnO4 + SO4{2-} + 2 H{-}
SrI2 + Br2 = Br2Sr + I2 =>
SrI2 + Br2 = Br2Sr + I2
KBrO3 + KNO2 = KBr + KNO3 =>
KBrO3 + 3 KNO2 = KBr + 3 KNO3
H2SO4 + CuCO3 = CS2 + O2 + H2 + Cu =>
4 H2SO4 + 2 CuCO3 = 2 CS2 + 11 O2 + 4 H2 + 2 Cu
LiHSiO3 + H2O = H2SiO3 + LiOH =>
LiHSiO3 + H2O = H2SiO3 + LiOH
Li2O + ZnO = Li2ZnO2 =>
Li2O + ZnO = Li2ZnO2
Li2SO3 + HBr = LiH + Br2SO3 =>
Li2SO3 + 2 HBr = 2 LiH + Br2SO3
K2Cr3O7 + H2SO4 + CH3CH2OH = Cr2(SO4)3 + H2O + CH3CHO + K2SO4 =>
2 K2Cr3O7 + 11 H2SO4 + 3 CH3CH2OH = 3 Cr2(SO4)3 + 14 H2O + 3 CH3CHO + 2 K2SO4
Cl2 + CaI2 = CaCl2 + I2 =>
Cl2 + CaI2 = CaCl2 + I2
RbI + FeCl2 = RbCl + FeI2 =>
2 RbI + FeCl2 = 2 RbCl + FeI2
ZnSO4 + H2 + CO2 = H2SO4 + ZnCO2 =>
ZnSO4 + H2 + CO2 = H2SO4 + ZnCO2
ZnO + Na2CO3 = Na2ZnO2 + CO2 =>
ZnO + Na2CO3 = Na2ZnO2 + CO2
MgSO42{-} + Pb(CH3COO)2 = PbSO42{-} + Mg(CH3COO)2 =>
MgSO42{-} + Pb(CH3COO)2 = PbSO42{-} + Mg(CH3COO)2
Fe(OH)2 + CaOCl2 = Fe2O3 + CaCl2 + H2O =>
2 Fe(OH)2 + CaOCl2 = Fe2O3 + CaCl2 + 2 H2O
K2[Zn(OH)4] + H2S = KHS + Zn(OH)2 + H2O =>
K2[Zn(OH)4] + 2 H2S = 2 KHS + Zn(OH)2 + 2 H2O
CuSO4 + CaCO3 + H2O = Cu2(OH)2CO3 + CaSO4 + CO2 =>
2 CuSO4 + 2 CaCO3 + H2O = Cu2(OH)2CO3 + 2 CaSO4 + CO2
O2 + KClO3 = O2ClO3 + K =>
O2 + KClO3 = O2ClO3 + K
PB(No3)2 + KI = PBI2 + KNo3 =>
PB(No3)2 + 2 KI = PBI2 + 2 KNo3
Cr2O3 + Fe = Fe3O4 + Cr =>
4 Cr2O3 + 9 Fe = 3 Fe3O4 + 8 Cr
N2O5(g) = N2(g) + O2(g) =>
2 N2O5(g) = 2 N2(g) + 5 O2(g)
C4H8O2 + BaO2H2 = C4H6O4Ba + C2H6O =>
2 C4H8O2 + BaO2H2 = C4H6O4Ba + 2 C2H6O
As2O3 + KOH = K3AsO3 + H2O =>
As2O3 + 6 KOH = 2 K3AsO3 + 3 H2O
NaCO3 = Na + C2 + O2 =>
2 NaCO3 = 2 Na + C2 + 3 O2
KNO2 + NH3 = KOH + N2 + H2O =>
KNO2 + NH3 = KOH + N2 + H2O
Mg + H2SO4 = MgSO4(aq) + H2(g) =>
Mg + H2SO4 = MgSO4(aq) + H2(g)
Pb(ClO4)4 = Pb + ClO4 =>
Pb(ClO4)4 = Pb + 4 ClO4
H2O + CH3COOH = CH3CH2OOH + O2 =>
2 H2O + 2 CH3COOH = 2 CH3CH2OOH + O2
Fe(OH)3 + Ca = Ca(OH)2 + Fe =>
2 Fe(OH)3 + 3 Ca = 3 Ca(OH)2 + 2 Fe
Mg + Na2CO3 = Mg(CO3) + Na =>
Mg + Na2CO3 = Mg(CO3) + 2 Na
C6H5NHCOCH3 + Br2 = C6H5NHCOCH3Br2 =>
C6H5NHCOCH3 + Br2 = C6H5NHCOCH3Br2
HClO4 + Ca(OH)2 = Ca(ClO4)2 + H2O =>
2 HClO4 + Ca(OH)2 = Ca(ClO4)2 + 2 H2O
Na2SiF6 + NaOH = NaF + SiO2 + H2O =>
Na2SiF6 + 4 NaOH = 6 NaF + SiO2 + 2 H2O
Cu + AlCl3 = CuCl3 + Al =>
Cu + AlCl3 = CuCl3 + Al
NaCl + Pb2N03 = Pb2Cl + NaN03 =>
NaCl + Pb2N03 = Pb2Cl + NaN03
Mg(ClO4)2 + Na2CO3 = Na2(ClO4)2 + MgCO3 =>
Mg(ClO4)2 + Na2CO3 = Na2(ClO4)2 + MgCO3
Cu(OH)2 + CO2 = Cu2CO3(OH)2 + H2O =>
2 Cu(OH)2 + CO2 = Cu2CO3(OH)2 + H2O
Fe2 + NaOH = Fe3NaOH =>
3 Fe2 + 2 NaOH = 2 Fe3NaOH
S + H2O2 = H2S + O2 =>
S + H2O2 = H2S + O2
NH4CH3OO + NaOH = NaCH3OO + NH4OH =>
NH4CH3OO + NaOH = NaCH3OO + NH4OH
Na2S2O3 + CI + H2O = Na2SO4 + HCI + H2SO4 =>
Na2S2O3 + 8 CI + 5 H2O = Na2SO4 + 8 HCI + H2SO4
AsCl5 = AsCl3 + Cl2 =>
AsCl5 = AsCl3 + Cl2
Na2SO3 + HCl = NaCl + H2O + SO2 =>
Na2SO3 + 2 HCl = 2 NaCl + H2O + SO2
HClO4 + CdO = Cd(ClO4)2 + H2O =>
2 HClO4 + CdO = Cd(ClO4)2 + H2O
Ra + H2O2 = Ra(OH)2 =>
Ra + H2O2 = Ra(OH)2
H25 + NaOH = Na5 + H2O =>
H25 + 25 NaOH = 5 Na5 + 25 H2O
Cl3P + Cl = Cl5P =>
Cl3P + 2 Cl = Cl5P
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