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Pb{2+} + 2 K = 2 K{+} + Pb
Fe + N2 + O2 = Fe2NO3 =>
4 Fe + N2 + 3 O2 = 2 Fe2NO3
FeCl2 + NaOH = Fe(OH)2 + NaCl =>
FeCl2 + 2 NaOH = Fe(OH)2 + 2 NaCl
BeSO4 + H2O = BeO + H2SO4 =>
BeSO4 + H2O = BeO + H2SO4
ClO{-} + Cl{-} + H{+} = Cl2 + H2O =>
ClO{-} + Cl{-} + 2 H{+} = Cl2 + H2O
FeCl3*6H2O + NaOH = H2O + NaCl + Fe(OH)3 =>
FeCl3*6H2O + 3 NaOH = 6 H2O + 3 NaCl + Fe(OH)3
Na2HCO3 + CH3COOH = CO2 + H2O + NaCH3COO =>
8 Na2HCO3 + 15 CH3COOH = 6 CO2 + 10 H2O + 16 NaCH3COO
Au + HNO3 + HCl = H[AuCl2] + NO + H2O =>
3 Au + HNO3 + 6 HCl = 3 H[AuCl2] + NO + 2 H2O
NH4I + NaOH = NH3 + NaI + H2O =>
NH4I + NaOH = NH3 + NaI + H2O
HN3 + NO2 = N2O + H2O =>
6 HN3 + 8 NO2 = 13 N2O + 3 H2O
K3(PO4)(aq) + Zn(SO4)(aq) = Zn3(PO4)2(s) + K2(SO4)(aq) =>
2 K3(PO4)(aq) + 3 Zn(SO4)(aq) = Zn3(PO4)2(s) + 3 K2(SO4)(aq)
B + O2 = BO3 =>
2 B + 3 O2 = 2 BO3
CH3COOH = H + CH3COO =>
CH3COOH = H + CH3COO
C3H8 + HNO3 = CO2 + NO + H2O =>
3 C3H8 + 20 HNO3 = 9 CO2 + 20 NO + 22 H2O
MeCO3 = MeO + CO2 =>
MeCO3 = MeO + CO2
NO + HNO3 + H2 = HNO2 =>
2 NO + 2 HNO3 + H2 = 4 HNO2
CaBr2 + Ba(OH)2 = Ca(OH)2 + BaBr2 =>
CaBr2 + Ba(OH)2 = Ca(OH)2 + BaBr2
NaAlO2 + HBr = NaBr + AlBr3 + H2O =>
NaAlO2 + 4 HBr = NaBr + AlBr3 + 2 H2O
MnS + PbCl4 = MnCl2 + PbS2 =>
2 MnS + PbCl4 = 2 MnCl2 + PbS2
Cu(OH)2 + H2SiO3 = CuSiO3 + H2O =>
Cu(OH)2 + H2SiO3 = CuSiO3 + 2 H2O
Ca + Na2SO4 = CaSO4 + Na =>
Ca + Na2SO4 = CaSO4 + 2 Na
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
CsCl + CoCl2 + (NH4)2SO4 = Cs2Co2(SO4)3 + NH4Cl =>
2 CsCl + 2 CoCl2 + 3(NH4)2SO4 = Cs2Co2(SO4)3 + 6 NH4Cl
Fe(CN)6{4-} = FeC2 + CN{-} + N2 =>
Fe(CN)6{4-} = FeC2 + 4 CN{-} + N2
Al + CI2 = Al(CI2)3 =>
Al + 3 CI2 = Al(CI2)3
AgOH + HBr = HOH + AgBr =>
AgOH + HBr = HOH + AgBr
SCl2 + Cl2 + C17H35COOH = C17H35COCl + HCl + SO2 =>
SCl2 + Cl2 + 2 C17H35COOH = 2 C17H35COCl + 2 HCl + SO2
Zn + H2SO4 = H2 + Zn2SO4 =>
2 Zn + H2SO4 = H2 + Zn2SO4
NH4Cl + KNO2 = N2 + H2O + KCl =>
NH4Cl + KNO2 = N2 + 2 H2O + KCl
CuO + CO2 = CuCO + O2 =>
CuO + CO2 = CuCO + O2
Cu(OH)2 + HCe = CuCe2 + H2O =>
Cu(OH)2 + 2 HCe = CuCe2 + 2 H2O
Si + H2SO3 = Si(SO3)2 + H2 =>
Si + 2 H2SO3 = Si(SO3)2 + 2 H2
S + VO{2-} + H{+} + H2O = VO2{-} + H2S =>
3 S + 2 VO{2-} + 2 H{+} + 2 H2O = 2 VO2{-} + 3 H2S
NH3 + O2 = NO3{2-} + H2O + H{+} =>
4 NH3 + 7 O2 = 4 NO3{2-} + 2 H2O + 8 H{+}
Ne + Cl2 = NeCl =>
2 Ne + Cl2 = 2 NeCl
Zn3(PO4)2 + Cu(OH)2 = Zn(OH)2 + Cu3(PO4)2 =>
Zn3(PO4)2 + 3 Cu(OH)2 = 3 Zn(OH)2 + Cu3(PO4)2
KHSO4 + BaCO3 = K2CO3 + Ba(HSO4)2 =>
2 KHSO4 + BaCO3 = K2CO3 + Ba(HSO4)2
NaCl + Ag3PO4 = AgCl + Na3PO4 =>
3 NaCl + Ag3PO4 = 3 AgCl + Na3PO4
CH2O + Cu(OH)2 = CH2O2 + Cu2O + H2O =>
CH2O + 2 Cu(OH)2 = CH2O2 + Cu2O + 2 H2O
RbOH + H2SiO3 = Rb2SiO3 + H2O =>
2 RbOH + H2SiO3 = Rb2SiO3 + 2 H2O
Li2SO4 + Pb(C2H3O2)2 = CH3COOLi + PbSO4 =>
Li2SO4 + Pb(C2H3O2)2 = 2 CH3COOLi + PbSO4
H2C2O4 + KOH = KC2O4 + H2OH =>
H2C2O4 + KOH = KC2O4 + H2OH
LiCl + HI = HCl + LiI =>
LiCl + HI = HCl + LiI
KOH + HNO3 = H2O + KNO3 =>
KOH + HNO3 = H2O + KNO3
NH3 + AgNO3 = NH3NO3 + AgNH3 =>
2 NH3 + AgNO3 = NH3NO3 + AgNH3
CrO3 + NH4OH = (NH4)2CrO4 + H2O =>
CrO3 + 2 NH4OH = (NH4)2CrO4 + H2O
Fe + KO2 = K3FeO4 + O2 =>
Fe + 3 KO2 = K3FeO4 + O2
Ni(OH)2 = H2O + NiO =>
Ni(OH)2 = H2O + NiO
Al2O3 + LiOH + H2O = Li[Al(OH)4] =>
Al2O3 + 2 LiOH + 3 H2O = 2 Li[Al(OH)4]
Ag + H2S + H2O = Ag2S + H3O =>
2 Ag + H2S + 2 H2O = Ag2S + 2 H3O
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