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2 SO2 + O2 = 2 SO3
As + KNO3 = K3AsO4 + NO2 + NO =>
As + 3 KNO3 = K3AsO4 + 2 NO2 + NO
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Fe(OH)2 + H2SO4 = FeSO4 + H2O =>
Fe(OH)2 + H2SO4 = FeSO4 + 2 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
Fe(OH)3 + H2CO3 = H2O + Fe2(CO3)3 =>
2 Fe(OH)3 + 3 H2CO3 = 6 H2O + Fe2(CO3)3
K + O2 = K2O =>
4 K + O2 = 2 K2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
C7H22 + O2 = CO2 + H2O =>
2 C7H22 + 25 O2 = 14 CO2 + 22 H2O
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CuSO4 = Cu + SO4 =>
CuSO4 = Cu + SO4
CaCO3 + CH3COOH = Ca(CH3COO)2 + CO2 + H2O =>
CaCO3 + 2 CH3COOH = Ca(CH3COO)2 + CO2 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2SO4 + Sr(OH)2 = SrSO4 + H2O =>
H2SO4 + Sr(OH)2 = SrSO4 + 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CaCO3 + CH3COOH = Ca(CH3COO)2 + CO2 + H2O =>
CaCO3 + 2 CH3COOH = Ca(CH3COO)2 + CO2 + H2O
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
Pb(NO3)2 + Na2S = PbS + Na2(NO3)2 =>
Pb(NO3)2 + Na2S = PbS + Na2(NO3)2
CH3COOH + NaHCO3 = CH3COONa + H2O + CO2 =>
CH3COOH + NaHCO3 = CH3COONa + H2O + CO2
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
H2SO4 + Fe(OH)2 = H2O + FeSO4 =>
H2SO4 + Fe(OH)2 = 2 H2O + FeSO4
C100H202 + O2 = CO2 + H2O =>
2 C100H202 + 301 O2 = 200 CO2 + 202 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cl2 + O2 = Cl2O3 =>
2 Cl2 + 3 O2 = 2 Cl2O3
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
AgCl + NO + H2O = Ag + Cl{-} + NO3{-} + H{+} =>
3 AgCl + NO + 2 H2O = 3 Ag + 3 Cl{-} + NO3{-} + 4 H{+}
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Mg + CO2 = MgO + C =>
2 Mg + CO2 = 2 MgO + C
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Pb(NO3)2 + Na2S = PbS + Na2(NO3)2 =>
Pb(NO3)2 + Na2S = PbS + Na2(NO3)2
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
NF3 + AlCl3 = N2 + Cl2 + AlF3 =>
2 NF3 + 2 AlCl3 = N2 + 3 Cl2 + 2 AlF3
Cu + H2O = CuO + H2 =>
Cu + H2O = CuO + H2
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
La2O3 + H2O = La(OH)3 =>
La2O3 + 3 H2O = 2 La(OH)3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
FeO = Fe + O2 =>
2 FeO = 2 Fe + O2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
P4O6 + I2 = P2I4 + P4O10 =>
5 P4O6 + 8 I2 = 4 P2I4 + 3 P4O10
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