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2 Pb + H2O = Pb2O + H2
NaHS + H2O2 = Na2S2O4 + H2O =>
2 NaHS + 5 H2O2 = Na2S2O4 + 6 H2O
C2H6O + H2O = C2H4O2 + H2 =>
C2H6O + H2O = C2H4O2 + 2 H2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
FeCl3(s) + NaOH(aq) = Fe(OH)3 + NaCl =>
FeCl3(s) + 3 NaOH(aq) = Fe(OH)3 + 3 NaCl
CrO3 + H2O = H2Cr2O7 =>
2 CrO3 + H2O = H2Cr2O7
HNO2 = HNO3 + N0 + H2 =>
6 HNO2 = 4 HNO3 + 2 N0 + H2
CsOH = Cs2O + H2O =>
2 CsOH = Cs2O + H2O
Ni + P = NiP2 =>
Ni + 2 P = NiP2
C2H6O + H2O = C2H4O2 + H =>
C2H6O + H2O = C2H4O2 + 4 H
N2Cl2 = NCl =>
N2Cl2 = 2 NCl
Mn + Si = Mn2Si =>
2 Mn + Si = Mn2Si
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
FeCO3 + AgI = FeI2 + Ag2CO3 =>
FeCO3 + 2 AgI = FeI2 + Ag2CO3
Mg(NO3)2 + NaBr = MgBr2 + NaNO3 =>
Mg(NO3)2 + 2 NaBr = MgBr2 + 2 NaNO3
Cu2S + O2 + H2O = Cu2O + H2SO4 =>
Cu2S + 2 O2 + H2O = Cu2O + H2SO4
CH3NO2 = CO + H2O + H2 + N2 =>
2 CH3NO2 = 2 CO + 2 H2O + H2 + N2
MgSO4 + H2O = MgSO4*7H2O =>
MgSO4 + 7 H2O = MgSO4*7H2O
NaHS + H2O2 = NaHSO4 + H2O =>
NaHS + 4 H2O2 = NaHSO4 + 4 H2O
C2H6O + H2O = C2H4O2 + H =>
C2H6O + H2O = C2H4O2 + 4 H
Al + ZnSO4 = Al2(SO4)3 + Zn =>
2 Al + 3 ZnSO4 = Al2(SO4)3 + 3 Zn
FeS + HCl(aq) = FeCl2 + H2S =>
FeS + 2 HCl(aq) = FeCl2 + H2S
CH3OHH2SO4 = HSO4CH3H2O =>
CH3OHH2SO4 = HSO4CH3H2O
Mg(NO3)2 + K(OH) = Mg(OH)2 + KNO3 =>
Mg(NO3)2 + 2 K(OH) = Mg(OH)2 + 2 KNO3
CaBr2 + Al = Ca + AlBr2 =>
CaBr2 + Al = Ca + AlBr2
Ni + P = NiP =>
Ni + P = NiP
Cu2S + O2 + H2O = Cu + H2SO4 =>
2 Cu2S + 3 O2 + 2 H2O = 4 Cu + 2 H2SO4
CU(OH)2 + CO2 = CUCO3 + H2O =>
CU(OH)2 + CO2 = CUCO3 + H2O
MgSO4 + H2O = MgO + H2SO4 =>
MgSO4 + H2O = MgO + H2SO4
Br{-} + MnO4{-} + H2O = Br + MnO2 + OH{-} =>
3 Br{-} + MnO4{-} + 2 H2O = 3 Br + MnO2 + 4 OH{-}
CH3CH2HC(OMgBr)CH3 + H2O = CH3CH2HC(OH)CH3 + MgBr2 + Mg(OH)2 =>
2 CH3CH2HC(OMgBr)CH3 + 2 H2O = 2 CH3CH2HC(OH)CH3 + MgBr2 + Mg(OH)2
C2H6O + H2O = CO2 + H =>
C2H6O + 3 H2O = 2 CO2 + 12 H
(CH3)2NH + HNO3 = (CH3)2NH2NO3 =>
(CH3)2NH + HNO3 = (CH3)2NH2NO3
Zn(OH)2 + Li = LiOH + Zn =>
Zn(OH)2 + 2 Li = 2 LiOH + Zn
(COO)2Al(COO)2Ca(COO)2Na + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + Na2SO4 + CaSO4 + Al2(SO4)3 + H2O =>
2(COO)2Al(COO)2Ca(COO)2Na + 2 K2Cr2O7 + 14 H2SO4 = 12 CO2 + 2 Cr2(SO4)3 + 2 K2SO4 + Na2SO4 + 2 CaSO4 + Al2(SO4)3 + 14 H2O
HgO* = Hg + O2 =>
2 HgO* = 2 Hg + O2
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
CaCO3 + CO2 + H2O = Ca(HCO3)2 =>
CaCO3 + CO2 + H2O = Ca(HCO3)2
K2CrO4 + K2SO3 + H2O + KOH = K3[Cr(OH)6] + K2SO4 =>
2 K2CrO4 + 3 K2SO3 + 5 H2O + 2 KOH = 2 K3[Cr(OH)6] + 3 K2SO4
Mn(OH)2 + O2 + NaCl = NaMnO3 + H2O + HCl =>
4 Mn(OH)2 + 3 O2 + 4 NaCl = 4 NaMnO3 + 2 H2O + 4 HCl
FeS + HCl(aq) = FeCl2(aq) + H2S(g) =>
FeS + 2 HCl(aq) = FeCl2(aq) + H2S(g)
Br2 + FeCl3 = ClBr3 + Fe =>
9 Br2 + 2 FeCl3 = 6 ClBr3 + 2 Fe
KI + Mg3(PO4)2 = K3PO4 + MgI2 =>
6 KI + Mg3(PO4)2 = 2 K3PO4 + 3 MgI2
Ni + P = Ni12P5 =>
12 Ni + 5 P = Ni12P5
H6C2O6 + NaHCO3 = Na2C2O4 + CO2 + H2O =>
H6C2O6 + 2 NaHCO3 = Na2C2O4 + 2 CO2 + 4 H2O
NaHSO4 + Ba(NO3)2 = NaNO3 + Ba(HSO4)2 =>
2 NaHSO4 + Ba(NO3)2 = 2 NaNO3 + Ba(HSO4)2
SO2 + O2 + H2O = H2SO4 =>
2 SO2 + O2 + 2 H2O = 2 H2SO4
SnCl2 + Ca = SnCa + Cl2 =>
SnCl2 + Ca = SnCa + Cl2
Mg(NO3)2 + K(OH) = Mg(OH)2 + KNO3 =>
Mg(NO3)2 + 2 K(OH) = Mg(OH)2 + 2 KNO3
Li(s) + N(s) = Li3N(s) =>
3 Li(s) + N(s) = Li3N(s)
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