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SiO2 + ZnS = SO2 + ZnSi
C2H5NO2 + CuSO4 = C4H8CuN2O4 + H2SO4 =>
2 C2H5NO2 + CuSO4 = C4H8CuN2O4 + H2SO4
CuO + KI = CuI2 + K2O =>
CuO + 2 KI = CuI2 + K2O
NaBr(s) = Na(s) + Br2(l) =>
2 NaBr(s) = 2 Na(s) + Br2(l)
Zn + K3AsO3 + HCl = AsH3 + ZnCl2 + H2O + KCl =>
3 Zn + K3AsO3 + 9 HCl = AsH3 + 3 ZnCl2 + 3 H2O + 3 KCl
H4SO5 = H2SO4 + H2O =>
H4SO5 = H2SO4 + H2O
Pb(NO3)2(ag) + KI(ag) = PbI2(s) + KNO3(ag) =>
Pb(NO3)2(ag) + 2 KI(ag) = PbI2(s) + 2 KNO3(ag)
ZnI2 + NaOH = NaI + Zn(OH)2 =>
ZnI2 + 2 NaOH = 2 NaI + Zn(OH)2
MnNO2 + H2O2 + HNO3 = H2O + Mn(NO3)2 =>
2 MnNO2 + 3 H2O2 + 2 HNO3 = 4 H2O + 2 Mn(NO3)2
Ca + H2O = H + Ca(OH)2 = O2 =>
Ca + 2 H2O = 2 H + Ca(OH)2
CH2OH{-}CH2OH + Na = CH2ONa{-}CH2ONa + H2 =>
2 CH2OH{-}CH2OH + 2 Na = 2 CH2ONa{-}CH2ONa + H2
H2O2 + [Cr(OH)4] = CrO4 + H2O =>
2 H2O2 + [Cr(OH)4] = CrO4 + 4 H2O
NH4OH + Ba(NO3)2 = NH4NO3 + Ba(OH)2 =>
2 NH4OH + Ba(NO3)2 = 2 NH4NO3 + Ba(OH)2
Fe + CrO2 = Fe3CrO2 =>
3 Fe + CrO2 = Fe3CrO2
Ca(SO4) + HNO3 = Ca(NO3)2 + H2SO4 =>
Ca(SO4) + 2 HNO3 = Ca(NO3)2 + H2SO4
Na2CrO4 + H2S + H2O = Cr(OH)3 + S + NaOH =>
2 Na2CrO4 + 3 H2S + 2 H2O = 2 Cr(OH)3 + 3 S + 4 NaOH
K3As + HCl = KCl + H3As =>
K3As + 3 HCl = 3 KCl + H3As
COCl2 = carbonmonoxide + chlorinegas =>
COCl2 = CO + Cl2
Ca(NO3)2(aq) + NaOH(aq) = Ca(OH)2(s) + NaNO3(aq) =>
Ca(NO3)2(aq) + 2 NaOH(aq) = Ca(OH)2(s) + 2 NaNO3(aq)
PbCrO4 + HNo3 = Pb(No3)2 + H2CrO4 =>
PbCrO4 + 2 HNo3 = Pb(No3)2 + H2CrO4
Al2(SO4)3 + NaOH + H2O = Al(OH)3 + Na2SO4*10H2O =>
Al2(SO4)3 + 6 NaOH + 30 H2O = 2 Al(OH)3 + 3 Na2SO4*10H2O
Ni(ClO4)2 + SrS = NiS + Sr(ClO4)2 =>
Ni(ClO4)2 + SrS = NiS + Sr(ClO4)2
H2O2 + PbSO4 = PbO2 + H2SO4 =>
H2O2 + PbSO4 = PbO2 + H2SO4
MgS + NaOH = Mg(OH)2 + Na2S =>
MgS + 2 NaOH = Mg(OH)2 + Na2S
C16H34 + O2 = CO2 + H2O =>
2 C16H34 + 49 O2 = 32 CO2 + 34 H2O
H2S + Fe2O3 = Fe2S3 + H2O =>
3 H2S + Fe2O3 = Fe2S3 + 3 H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
H3PO3 + NaOH = Na3PO3 + H2O =>
H3PO3 + 3 NaOH = Na3PO3 + 3 H2O
ZnS + I2 = ZnI2 + S =>
ZnS + I2 = ZnI2 + S
K2CrO4 + PbC2H3O2 = K2C2H3O2 + PbCrO4 =>
K2CrO4 + PbC2H3O2 = K2C2H3O2 + PbCrO4
Zn(OH)2 + Li2O = ZnO + LiOH =>
Zn(OH)2 + Li2O = ZnO + 2 LiOH
Br2 + KClO3 + H2O = HBrO3 + KCl =>
3 Br2 + 5 KClO3 + 3 H2O = 6 HBrO3 + 5 KCl
N2 + H2O = NH3 + NO =>
5 N2 + 6 H2O = 4 NH3 + 6 NO
ZnS + I2 = ZnI2 + S =>
ZnS + I2 = ZnI2 + S
LiOH + Fe(NO3)3 = LiNO3 + Fe(OH)3 =>
3 LiOH + Fe(NO3)3 = 3 LiNO3 + Fe(OH)3
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Fe(NO3)3 + Na2S = Fe2S3 + NaNO3 =>
2 Fe(NO3)3 + 3 Na2S = Fe2S3 + 6 NaNO3
SbF5 = F2 + SbF3 =>
SbF5 = F2 + SbF3
FeCl3 + K2S = FeS + FeS2 + KCl =>
2 FeCl3 + 3 K2S = FeS + FeS2 + 6 KCl
CH4 + O2 = COOH + H2O =>
4 CH4 + 7 O2 = 4 COOH + 6 H2O
Br{-} + OH{-} = BrO3{-} + H2O + e =>
Br{-} + 6 OH{-} = BrO3{-} + 3 H2O + 6e
Fe(NO3)3 + Na2CO3 = Fe2(CO3)3 + NaNO3 =>
2 Fe(NO3)3 + 3 Na2CO3 = Fe2(CO3)3 + 6 NaNO3
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
SO3(g) + H2O(aq) = H2SO4(g) =>
SO3(g) + H2O(aq) = H2SO4(g)
(NH4)2SO4(aq) + SrCl2(aq) = SrSO4 + (NH4)Cl =>
(NH4)2SO4(aq) + SrCl2(aq) = SrSO4 + 2(NH4)Cl
Rb2CO3(aq) + HBr(aq) = RbBr(s) + H2O(l) + CO2(g) =>
Rb2CO3(aq) + 2 HBr(aq) = 2 RbBr(s) + H2O(l) + CO2(g)
Ag + Fe(OH)2 = Fe + AgOH =>
2 Ag + Fe(OH)2 = Fe + 2 AgOH
Cu2CO3 + AlCl3 = CuCl + Al2(CO3)3 =>
3 Cu2CO3 + 2 AlCl3 = 6 CuCl + Al2(CO3)3
Fe(NO3)3 + Na3PO4 = FePO4 + NaNO3 =>
Fe(NO3)3 + Na3PO4 = FePO4 + 3 NaNO3
AlCl3 + NH3 + H2O = Al(OH)3 + NH4 + Cl =>
AlCl3 + 3 NH3 + 3 H2O = Al(OH)3 + 3 NH4 + 3 Cl
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