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2 Na + O2 = Na2O2
Al2(SO3)3 + NaOH = Na2SO3 + Al(OH)3 =>
Al2(SO3)3 + 6 NaOH = 3 Na2SO3 + 2 Al(OH)3
HCl + Ca(OH)2 = H2O + CaCl2 =>
2 HCl + Ca(OH)2 = 2 H2O + CaCl2
Fe3O4 + C = Fe + CO2 =>
Fe3O4 + 2 C = 3 Fe + 2 CO2
MnO2 + Al = Al2O3 + Mn =>
3 MnO2 + 4 Al = 2 Al2O3 + 3 Mn
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
PbS + O2 = SO2 + PbO =>
2 PbS + 3 O2 = 2 SO2 + 2 PbO
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
Li + O = Li2O =>
2 Li + O = Li2O
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
Cl2 + KBr = Br2 + KCl =>
Cl2 + 2 KBr = Br2 + 2 KCl
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CaCl2 + O = CaO + Cl =>
CaCl2 + O = CaO + 2 Cl
As + S = As2S3 =>
2 As + 3 S = As2S3
Pb(NO3)2 + Ba(OH)2 = Pb(OH)2 + Ba(NO3)2 =>
Pb(NO3)2 + Ba(OH)2 = Pb(OH)2 + Ba(NO3)2
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
Na + F = NaF =>
Na + F = NaF
Ni(NO3)2 + NaOH = NaNO3 + Ni(OH)2 =>
Ni(NO3)2 + 2 NaOH = 2 NaNO3 + Ni(OH)2
Pb(NO3)2 + NaI = NaNO3 + PbI2 =>
Pb(NO3)2 + 2 NaI = 2 NaNO3 + PbI2
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
(Al2)2(CO3)3 + HNO3 = Al2(NO3)3 + H2O + CO2 =>
(Al2)2(CO3)3 + 6 HNO3 = 2 Al2(NO3)3 + 3 H2O + 3 CO2
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
HNO3 + NaHCO3 = NaNO3 + H2O + CO2 =>
HNO3 + NaHCO3 = NaNO3 + H2O + CO2
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
Fe3O4 + C = Fe + CO2 =>
Fe3O4 + 2 C = 3 Fe + 2 CO2
PbO + HBr = PbBr2 + H2O =>
PbO + 2 HBr = PbBr2 + H2O
PH3 + HBrO3 = H3PO4 + Br2 + H2O =>
5 PH3 + 8 HBrO3 = 5 H3PO4 + 4 Br2 + 4 H2O
Pb3O4 = PbO + O2 =>
2 Pb3O4 = 6 PbO + O2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
ICl3 + H2O = ICl + HIO3 + HCl =>
2 ICl3 + 3 H2O = ICl + HIO3 + 5 HCl
Ca(HCO3)2 + Na2CO3 = CaCO3 + NaHCO3 =>
Ca(HCO3)2 + Na2CO3 = CaCO3 + 2 NaHCO3
H3PO4 + KOH = H2O + K3PO4 =>
H3PO4 + 3 KOH = 3 H2O + K3PO4
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
CuO + H2 = Cu2 + H2O =>
2 CuO + 2 H2 = Cu2 + 2 H2O
Na2S + AsCl3 = AsS + Na2Cl3 =>
Na2S + AsCl3 = AsS + Na2Cl3
H2SO3(aq) + NaOH(aq) = NaHSO3 + H2O =>
H2SO3(aq) + NaOH(aq) = NaHSO3 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Ca3N2 + HCl = CaCl2 + NH4Cl =>
Ca3N2 + 8 HCl = 3 CaCl2 + 2 NH4Cl
Na2S2O3 + HCl = NaCl + SO2 + S + H2O =>
Na2S2O3 + 2 HCl = 2 NaCl + SO2 + S + H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Na2S2O3 + HCl = NaCl + SO2 + S + H2O =>
Na2S2O3 + 2 HCl = 2 NaCl + SO2 + S + H2O
Ag + HNO3 = AgNO3 + H2O + NO2 =>
Ag + 2 HNO3 = AgNO3 + H2O + NO2
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
P4 + KClO3 = KCl + P2O5 =>
3 P4 + 10 KClO3 = 10 KCl + 6 P2O5
Cl2 + OH{-} = ClO3{-} + Cl{-} + H2O =>
3 Cl2 + 6 OH{-} = ClO3{-} + 5 Cl{-} + 3 H2O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Na + Al2O3 = Al + Na2O =>
6 Na + Al2O3 = 2 Al + 3 Na2O
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