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2 Al + FeO3 = Al2O3 + Fe
NaOH + Cu(NO3)2 = Cu(OH)2 + NaNO3 =>
2 NaOH + Cu(NO3)2 = Cu(OH)2 + 2 NaNO3
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
Mg + CH3COOH = Mg(CH3COO) + H2 =>
2 Mg + 2 CH3COOH = 2 Mg(CH3COO) + H2
HNO3 + H2O = NH3 + H2O2 =>
HNO3 + 5 H2O = NH3 + 4 H2O2
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH
CH3OCH3 + O2 = CO2 + H2O =>
CH3OCH3 + 3 O2 = 2 CO2 + 3 H2O
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
CuCl2(aq) + Zn(s) = Cu(s) + ZnCl2(aq) =>
CuCl2(aq) + Zn(s) = Cu(s) + ZnCl2(aq)
Na2S2O3 + I2 = NaS4O6 + NaI =>
4 Na2S2O3 + 3 I2 = 2 NaS4O6 + 6 NaI
CH3COOH + Ca = (CH3COO)2Ca + H2 =>
2 CH3COOH + Ca = (CH3COO)2Ca + H2
Al + FeO = Al2O3 + Fe2 =>
4 Al + 6 FeO = 2 Al2O3 + 3 Fe2
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Ca(OH)2 + HCl = CaCl2 + H2O =>
Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
NaSo4 + BaCl2 = NaCl2 + BaSo4 =>
NaSo4 + BaCl2 = NaCl2 + BaSo4
PbO2 = Pb + O2 =>
PbO2 = Pb + O2
KMnO4 + HBr = MnBr2 + KBr + Br2 + H2O =>
2 KMnO4 + 16 HBr = 2 MnBr2 + 2 KBr + 5 Br2 + 8 H2O
FeCl3 + K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + KCl =>
4 FeCl3 + 3 K4[Fe(CN)6] = Fe4[Fe(CN)6]3 + 12 KCl
NaSo4 + BaCl2 = NaCl2 + BaSo4 =>
NaSo4 + BaCl2 = NaCl2 + BaSo4
FE(OH)3 + HNO2 = FE(NO3) + H2O =>
FE(OH)3 + HNO2 = FE(NO3) + 2 H2O
Ca + HNO3 = Ca(NO3)2 + NH3 + H2O =>
4 Ca + 9 HNO3 = 4 Ca(NO3)2 + NH3 + 3 H2O
Fe2O3 + Al = Fe + Al2O3 =>
Fe2O3 + 2 Al = 2 Fe + Al2O3
NaSO4 + BaCl2 = NaCl2 + BaSO4 =>
NaSO4 + BaCl2 = NaCl2 + BaSO4
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Ag(NO3)2 + NH4Cl = AgCl2 + NH4NO3 =>
Ag(NO3)2 + 2 NH4Cl = AgCl2 + 2 NH4NO3
NH3 + Cl2 = N2 + HCl =>
2 NH3 + 3 Cl2 = N2 + 6 HCl
Mn3O4 + Al = Mn + Al2O3 =>
3 Mn3O4 + 8 Al = 9 Mn + 4 Al2O3
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
SO2 + Na2O = Na2SO3 =>
SO2 + Na2O = Na2SO3
HI + H2SO4 = SO2 + H2O + I2 =>
2 HI + H2SO4 = SO2 + 2 H2O + I2
O2 + H = H2O =>
O2 + 4 H = 2 H2O
SrO + HCl = SrCl + HO =>
SrO + HCl = SrCl + HO
KOH + H3AsO4 = K2HAsO4 + H2O =>
2 KOH + H3AsO4 = K2HAsO4 + 2 H2O
P4 + NAOH + H2O = NAH2PO2 + PH3 =>
P4 + 3 NAOH + 3 H2O = 3 NAH2PO2 + PH3
Na2CO3 + CaCl2 = CaCO3 + NaCl =>
Na2CO3 + CaCl2 = CaCO3 + 2 NaCl
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + H2O + NO2(g) =>
Cu(s) + 4 HNO3(aq) = Cu(NO3)2(aq) + 2 H2O + 2 NO2(g)
C4H10 + O2 = CO2 + H20 =>
2 C4H10 + 8 O2 = 8 CO2 + H20
O2 + H = H2O =>
O2 + 4 H = 2 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
O2 + H2O = H2O2 =>
O2 + 2 H2O = 2 H2O2
Al + CuO = Al2O3 + Cu =>
2 Al + 3 CuO = Al2O3 + 3 Cu
NaOH + N2O5 = H2O + NaNO3 =>
2 NaOH + N2O5 = H2O + 2 NaNO3
Al(OH)3(s) = Al2O3(s) + H2O(l) =>
2 Al(OH)3(s) = Al2O3(s) + 3 H2O(l)
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
KMnO4 + HCl + FeCl2 = MnCl2 + KCl2 + FeCl3 + H2O =>
KMnO4 + 8 HCl + 4 FeCl2 = MnCl2 + KCl2 + 4 FeCl3 + 4 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
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