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2 Fe2SiO4 + 8 H2O = 4 FeOOH + 2 HSiO4 + 5 H2
FeCl3 + H2S = Fe2 + S3 + HCl =>
2 FeCl3 + 3 H2S = Fe2 + S3 + 6 HCl
Al + HNO3 = Al2(NO3)3 + H2O + NO =>
2 Al + 4 HNO3 = Al2(NO3)3 + 2 H2O + NO
Al2O3(s) + Fe(s) = Fe3O4(s) + Al(s) =>
4 Al2O3(s) + 9 Fe(s) = 3 Fe3O4(s) + 8 Al(s)
CoO + H2 = Co + H2O =>
CoO + H2 = Co + H2O
BeCl2 + NaOH = Na2BeO2 + HCl =>
BeCl2 + 2 NaOH = Na2BeO2 + 2 HCl
Au2S3 + H2 = Au2 + H2S =>
Au2S3 + 3 H2 = Au2 + 3 H2S
KMnO4 + SO2 + H2O = MnO2 + H2SO4 + KOH =>
2 KMnO4 + 3 SO2 + 4 H2O = 2 MnO2 + 3 H2SO4 + 2 KOH
KMuO4 = MuO2 + K2O + O2 =>
4 KMuO4 = 4 MuO2 + 2 K2O + 3 O2
NaCl + Fe = FeCl2 + Na =>
2 NaCl + Fe = FeCl2 + 2 Na
CaO + SiO2 = CaSiO3 =>
CaO + SiO2 = CaSiO3
H2SiO3 + Ba(OH)2 = (BaOH)2SiO3 + H2O =>
H2SiO3 + 2 Ba(OH)2 = (BaOH)2SiO3 + 2 H2O
Cl2 + CoBr3 = Br2 + CoCl2 =>
2 Cl2 + 2 CoBr3 = 3 Br2 + 2 CoCl2
HPO4 + CaCl2 = Cl2 + CaHPO4 =>
HPO4 + CaCl2 = Cl2 + CaHPO4
PO4 + Fe2 = Fe3PO4 =>
2 PO4 + 3 Fe2 = 2 Fe3PO4
KHSO3 = H2O + SO2 + K2SO3 =>
2 KHSO3 = H2O + SO2 + K2SO3
Li + Al(OH)3 = Al + LiOH =>
3 Li + Al(OH)3 = Al + 3 LiOH
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Hg{2+} + NaOH = Hg(OH)2 + Na{+} =>
Hg{2+} + 2 NaOH = Hg(OH)2 + 2 Na{+}
Al(OH)4{-} + H{+} = Al{+3} + H2O =>
Al(OH)4{-} + 4 H{+} = Al{+3} + 4 H2O
SnO2 + KOH = K2SnO3 + H2O =>
SnO2 + 2 KOH = K2SnO3 + H2O
Zn(NO3)2 + Na(OH) = NaNO3 + Zn(OH)2 =>
Zn(NO3)2 + 2 Na(OH) = 2 NaNO3 + Zn(OH)2
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
MnS + HBr = MnBr2 + H2S =>
MnS + 2 HBr = MnBr2 + H2S
C6H5CH3 + KMnO4 + HNO3 = C6H5COOH + Mn(NO3)2 + KNO3 + H2O =>
5 C6H5CH3 + 6 KMnO4 + 18 HNO3 = 5 C6H5COOH + 6 Mn(NO3)2 + 6 KNO3 + 14 H2O
Cr + Al2(SO4)3 = Cr3Al2 + (SO4)2 =>
6 Cr + 2 Al2(SO4)3 = 2 Cr3Al2 + 3(SO4)2
K3PO4 + CuSO4 = Cu3(PO4)2 + K2SO4 =>
2 K3PO4 + 3 CuSO4 = Cu3(PO4)2 + 3 K2SO4
B6H6 + H2O = H3BO3 + H2 =>
B6H6 + 18 H2O = 6 H3BO3 + 12 H2
Pb(oh)2 + NH4OH = Pb(OH)2 + NH4 =>
Pb(oh)2 + 4 NH4OH = 2 Pb(OH)2 + 4 NH4
NH3 + CuCl2 = Cu(NH3)4 + Cl2 =>
4 NH3 + CuCl2 = Cu(NH3)4 + Cl2
Cl2 + I2 = I2Cl6 =>
3 Cl2 + I2 = I2Cl6
C3H8O + HCl = C3H8OH + Cl2 =>
2 C3H8O + 2 HCl = 2 C3H8OH + Cl2
Ar + Br2 = ArBr =>
2 Ar + Br2 = 2 ArBr
O2 + CrCl3 + KOH = K2CrO4 + KCl + H2O =>
3 O2 + 4 CrCl3 + 20 KOH = 4 K2CrO4 + 12 KCl + 10 H2O
H3Po4 + MgCl2 = Mg3(Po4)2 + HCl =>
2 H3Po4 + 3 MgCl2 = Mg3(Po4)2 + 6 HCl
Cr2O7 + BaCl2 = Cl + BaCr2O7 =>
Cr2O7 + BaCl2 = 2 Cl + BaCr2O7
H2BO3{-} + H{+} + {-} = B + H2O =>
H2BO3{-} + 4 H{+} + 3e = B + 3 H2O
PbBr2 = Br2 + Pb =>
PbBr2 = Br2 + Pb
H2SO4 + BeO = H2O + BeSO4 =>
H2SO4 + BeO = H2O + BeSO4
HCOOH + Ca(OH)2 = Ca(COOH)2 + H2O =>
2 HCOOH + Ca(OH)2 = Ca(COOH)2 + 2 H2O
Pb + PbO2 + H{+} + HSO4{-} = PbSO4 + H2O =>
Pb + PbO2 + 2 H{+} + 2 HSO4{-} = 2 PbSO4 + 2 H2O
CuO + CO2 + H2O = Cu3(CO3)2(OH)2 =>
3 CuO + 2 CO2 + H2O = Cu3(CO3)2(OH)2
CH3NH2 + KOH = CH3NHK + H2O =>
CH3NH2 + KOH = CH3NHK + H2O
CuO + H2O + CO2 = (CuOH)2CO3 =>
2 CuO + H2O + CO2 = (CuOH)2CO3
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
H3(PO4) + Mn(OH)2 = Mn3(PO4)2 + H2O =>
2 H3(PO4) + 3 Mn(OH)2 = Mn3(PO4)2 + 6 H2O
Ni(s)MgSO4(aq) = NiSO4(aq)Mg(s) =>
Ni(s)MgSO4(aq) = NiSO4(aq)Mg(s)
K[Al(OH)4] + H2SO4 = Al(OH)3(s) + K2SO4 + H2O =>
2 K[Al(OH)4] + H2SO4 = 2 Al(OH)3(s) + K2SO4 + 2 H2O
H2SO4 + H2S2O2 = H2S6O6 + H2O =>
4 H2SO4 + 13 H2S2O2 = 5 H2S6O6 + 12 H2O
CuO + CO2 + H2O = Cu2(OH)2CO3 =>
2 CuO + CO2 + H2O = Cu2(OH)2CO3
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