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PbCO3 + H2O = PbO + H2CO3
HgO + Hg + HNO3 = H2O + HgNO3 =>
HgO + Hg + 2 HNO3 = H2O + 2 HgNO3
Sn + NHO3 = Sn(NO3)4 + H2 =>
Sn + 4 NHO3 = Sn(NO3)4 + 2 H2
Fe + H2O = H2 + Fe3O4 =>
3 Fe + 4 H2O = 4 H2 + Fe3O4
PbCO3 + H2O = PbO + H2CO3 =>
PbCO3 + H2O = PbO + H2CO3
SO3S{2-} + H3O{+} = S + SO2 + H2O =>
SO3S{2-} + 2 H3O{+} = S + SO2 + 3 H2O
Fe + H2SO4 = FeSO4 + H2 =>
Fe + H2SO4 = FeSO4 + H2
HClO3 = ClO2 + O2 + H2O =>
4 HClO3 = 4 ClO2 + O2 + 2 H2O
NH4Cl + CH3COONa = NaCl + CH3COONH4 =>
NH4Cl + CH3COONa = NaCl + CH3COONH4
(NH4)OH + CaCl2 = NH4Cl2 + CaOH =>
(NH4)OH + CaCl2 = NH4Cl2 + CaOH
Fe + O = Fe2O3 =>
2 Fe + 3 O = Fe2O3
Au + NaOH = Au(OH)2 + Na =>
Au + 2 NaOH = Au(OH)2 + 2 Na
Ag2O + [NH4OH] = [Ag(NH3)2]OH + H2O =>
Ag2O + 4[NH4OH] = 2[Ag(NH3)2]OH + 3 H2O
Al(OH)4{-} + H2SO4 = Al(OH)3 + H2O + SO4{2-} =>
2 Al(OH)4{-} + H2SO4 = 2 Al(OH)3 + 2 H2O + SO4{2-}
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
S + NaOH = Na2S2O31230 + Na2S + H2O =>
31231 S + 62460 NaOH = Na2S2O31230 + 31229 Na2S + 31230 H2O
CuCl2 + CuO = Cu2Cl2O =>
CuCl2 + CuO = Cu2Cl2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Au + NO{3}{-} + Cl{-} = [AuCl{4}]{-} + NO{2} =>
Au + 4 NO{3}{-} + Cl{-} = [AuCl{4}]{-} + 4 NO{2}
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
AgNO3(aq) + H2O(l) = AgOH(s) + HNO3(aq) =>
AgNO3(aq) + H2O(l) = AgOH(s) + HNO3(aq)
NaF + CaO = CaF2 + Na2O =>
2 NaF + CaO = CaF2 + Na2O
Be + NaOH + H2O = Na2[Be(OH)4] + H2 =>
Be + 2 NaOH + 2 H2O = Na2[Be(OH)4] + H2
Na2HPO4 + HBr = NaH2PO4 + NaBr =>
Na2HPO4 + HBr = NaH2PO4 + NaBr
Cr2(SO4)3 + KOH = Cr(OH)3 + K2SO4 =>
Cr2(SO4)3 + 6 KOH = 2 Cr(OH)3 + 3 K2SO4
ONH3 + H2O = ONH4 + HO =>
ONH3 + H2O = ONH4 + HO
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
Al4C3 + H2O = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O = 4 Al(OH)3 + 3 CH4
MgO + HNO2 = Mg(NO2)2H2O =>
MgO + 2 HNO2 = Mg(NO2)2H2O
H2 + V2O3 = VO + H2O =>
H2 + V2O3 = 2 VO + H2O
Fe + O2 = FeO3 =>
2 Fe + 3 O2 = 2 FeO3
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Mg + HBr2 = H2 + MgBr =>
4 Mg + 2 HBr2 = H2 + 4 MgBr
Na2SO3 + VOCl2 + HCl = VCl3 + Na2SO4 + H2O =>
Na2SO3 + 2 VOCl2 + 2 HCl = 2 VCl3 + Na2SO4 + H2O
Cu(NO3)2 = Cu + NO3 =>
Cu(NO3)2 = Cu + 2 NO3
H2TeO4 + La(OH)3 = La2(TeO4)3 + H2O =>
3 H2TeO4 + 2 La(OH)3 = La2(TeO4)3 + 6 H2O
Na3PO4 + Li2S = Li3PO4 + Na2S =>
2 Na3PO4 + 3 Li2S = 2 Li3PO4 + 3 Na2S
K2O + SO3 = K2SO4 =>
K2O + SO3 = K2SO4
Ag2Fe = Ag + Fe =>
Ag2Fe = 2 Ag + Fe
CuSO4(aq) + NH4Cl(aq) = CuCl2(aq) + (NH4)2SO4(aq) =>
CuSO4(aq) + 2 NH4Cl(aq) = CuCl2(aq) + (NH4)2SO4(aq)
Fe + S8 = FeS =>
8 Fe + S8 = 8 FeS
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
C3H4 + O2 = CO2 + H2O =>
C3H4 + 4 O2 = 3 CO2 + 2 H2O
CaCl2 + Ag2SO4 = Ag2Ca + SO4Cl2 =>
CaCl2 + Ag2SO4 = Ag2Ca + SO4Cl2
Zn + Ag{-} = Zn{-2} + Ag =>
Zn + 2 Ag{-} = Zn{-2} + 2 Ag
NaClO + NaOH + Br2 = NaBrO3 + H2O + NaCl =>
5 NaClO + 2 NaOH + Br2 = 2 NaBrO3 + H2O + 5 NaCl
HClO4 + Ba(OH)2 = HOH + Ba(ClO4)2 =>
2 HClO4 + Ba(OH)2 = 2 HOH + Ba(ClO4)2
Fe(NO3) + NH4Cl = FeCl + NH4(NO3) =>
Fe(NO3) + NH4Cl = FeCl + NH4(NO3)
C6H4(OH)2 + K2Cr2O7 + H2SO4 = C6H4O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C6H4(OH)2 + K2Cr2O7 + 4 H2SO4 = 3 C6H4O2 + Cr2(SO4)3 + K2SO4 + 7 H2O
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