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2 NO + H2O + Fe = N2O + Fe(OH)2
NaOH + FeO = Na2O + Fe(OH)3 + H2 =>
8 NaOH + 2 FeO = 4 Na2O + 2 Fe(OH)3 + H2
HBr + Al = AlBr3 + H3 =>
3 HBr + Al = AlBr3 + H3
Ba(s) + HCl(ac) = BaCl(ac) + H(g) =>
Ba(s) + HCl(ac) = BaCl(ac) + H(g)
Ag + Zn(NO3)2 = Ag(NO3)2 + Zn =>
Ag + Zn(NO3)2 = Ag(NO3)2 + Zn
Fe3O4(s) + C(s) = Fe(s) + CO(g) =>
Fe3O4(s) + 4 C(s) = 3 Fe(s) + 4 CO(g)
NH4Cl(s) + CO(NH2)2(s) = COCl2(g) + NH3 =>
2 NH4Cl(s) + CO(NH2)2(s) = COCl2(g) + 4 NH3
C6H8O7 + MgCO3 = C6H6O7Mg + H2O + CO2 =>
C6H8O7 + MgCO3 = C6H6O7Mg + H2O + CO2
NaPO4 + MgI2 = NaI2 + MgPO4 =>
NaPO4 + MgI2 = NaI2 + MgPO4
Pb(NO3)2 + KI = KNO3 + PbI2 =>
Pb(NO3)2 + 2 KI = 2 KNO3 + PbI2
Cl{-} + AgNO3 = AgCl + NO3{-} =>
Cl{-} + AgNO3 = AgCl + NO3{-}
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
HCl + CaO = CaCl2 + H2O =>
2 HCl + CaO = CaCl2 + H2O
Na3PO4 + CuCl = Cu3PO4 + NaCl =>
Na3PO4 + 3 CuCl = Cu3PO4 + 3 NaCl
K2CO3 + HCIO2 = KCIO2 + H2CO3 =>
K2CO3 + 2 HCIO2 = 2 KCIO2 + H2CO3
Na2SiO3 + CaCO3 = CaSiO3 + Na2CO3 =>
Na2SiO3 + CaCO3 = CaSiO3 + Na2CO3
Ca(OH)2 + KF = CaF + K(OH)2 =>
Ca(OH)2 + KF = CaF + K(OH)2
Pb + H2SO4 = Pb2(SO4)3 + H2 =>
2 Pb + 3 H2SO4 = Pb2(SO4)3 + 3 H2
NH3 + H2O = NH3OH + H2 =>
2 NH3 + 2 H2O = 2 NH3OH + H2
Fe2(SO4)3(aq) + LiOH(aq) = Fe(OH)3(s) + Li2SO4(aq) =>
Fe2(SO4)3(aq) + 6 LiOH(aq) = 2 Fe(OH)3(s) + 3 Li2SO4(aq)
NaBrO + NaH2PO2 + NaOH = NaBr + Na3PO4 + H2O =>
2 NaBrO + NaH2PO2 + 2 NaOH = 2 NaBr + Na3PO4 + 2 H2O
H2O2 + HCl + CoS = CoCl2 + H2O + H2SO4 =>
4 H2O2 + 2 HCl + CoS = CoCl2 + 4 H2O + H2SO4
Zn(OH)2 + Cl2O7 = (Zn(OH))ClO4 + H2O =>
2 Zn(OH)2 + Cl2O7 = 2(Zn(OH))ClO4 + H2O
NO2 + NH4O = NH4NO3 =>
NO2 + NH4O = NH4NO3
Cl2(g) + KBr(aq) = Br2(l) + KCl(aq) =>
Cl2(g) + 2 KBr(aq) = Br2(l) + 2 KCl(aq)
C20H42(s) + O2(g) = CO2(g) + H2O(l) =>
2 C20H42(s) + 61 O2(g) = 40 CO2(g) + 42 H2O(l)
NH4CO3 + Pb(NO3)2 = NH4NO3 + Pb(CO3)2 =>
2 NH4CO3 + Pb(NO3)2 = 2 NH4NO3 + Pb(CO3)2
AgNO3 + S = AgS2 + NO3 =>
AgNO3 + 2 S = AgS2 + NO3
NaCl(s) + KOH(aq) = NaOH(aq) + KCl(aq) =>
NaCl(s) + KOH(aq) = NaOH(aq) + KCl(aq)
Ge(s) + Cl2(g) = GeCl3(s) =>
2 Ge(s) + 3 Cl2(g) = 2 GeCl3(s)
Na3AsO4 + CoCl2 = Co3(AsO4)2 + NaCl =>
2 Na3AsO4 + 3 CoCl2 = Co3(AsO4)2 + 6 NaCl
C7H8O2 + H2 = C6H110 + HOCH3 =>
6 C7H8O2 + 275 H2 = 5 C6H110 + 12 HOCH3
Cu(s) + S(s) = CuS4(s) =>
Cu(s) + 4 S(s) = CuS4(s)
HC2H3O2 + NaHCO3 = NaC2H3O2 + O2 =>
HC2H3O2 + 2 NaHCO3 = 2 NaC2H3O2 + 2 O2
HNS + O2 = N2 + H2O + SO2 =>
4 HNS + 5 O2 = 2 N2 + 2 H2O + 4 SO2
Fe2O3 + HClO = FeClO2 + H2O =>
Fe2O3 + 2 HClO = 2 FeClO2 + H2O
CaCl2 + Cu(SO4) = Ca(SO4)2 + CuCl =>
CaCl2 + 2 Cu(SO4) = Ca(SO4)2 + 2 CuCl
C2H8O7P2 + NaOH = H2O + Na4C2H4O7P2 =>
C2H8O7P2 + 4 NaOH = 4 H2O + Na4C2H4O7P2
KOH + Cu = CuOH + K2 =>
2 KOH + 2 Cu = 2 CuOH + K2
Bi + H2S + H2O = Bi2S3 + H3O =>
2 Bi + 3 H2S + 6 H2O = Bi2S3 + 6 H3O
FeS2 + O2 = Fe2O2 + SO2 =>
2 FeS2 + 5 O2 = Fe2O2 + 4 SO2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Fe2 + O3 + HCl = H2O + FeCl3 =>
Fe2 + O3 + 6 HCl = 3 H2O + 2 FeCl3
CuS + NH3 = CuH3 + NS =>
CuS + NH3 = CuH3 + NS
CH3COOH + Na2CO3 = CH3COONa + H2CO4 =>
11 CH3COOH + 6 Na2CO3 = 12 CH3COONa + 4 H2CO4
Cd(NO3)2 + C2H5NS = CdS + C2H5N(NO3)2 =>
Cd(NO3)2 + C2H5NS = CdS + C2H5N(NO3)2
KOH + Zn + H2O + KNO2 = K2Zn(OH)4 + NH3 =>
5 KOH + 3 Zn + 5 H2O + KNO2 = 3 K2Zn(OH)4 + NH3
Al + Cu11 = AlCu =>
11 Al + Cu11 = 11 AlCu
H + OH2 = H2OH2 =>
2 H + OH2 = H2OH2
Pb(CH3COO)2 + Na2CO3 + H2O = Pb2(OH)2CO3 + CO2 + Na(CH3COO) =>
2 Pb(CH3COO)2 + 2 Na2CO3 + H2O = Pb2(OH)2CO3 + CO2 + 4 Na(CH3COO)
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