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4 Fe + 3 O2 = 2 Fe2O3
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
CuSO4 + Sn = CuSn + SO4 =>
CuSO4 + Sn = CuSn + SO4
C20H42 + O2 = CO2 + H2O =>
2 C20H42 + 61 O2 = 40 CO2 + 42 H2O
Cl2 + NaBr = Br2 + NaCl =>
Cl2 + 2 NaBr = Br2 + 2 NaCl
NA + CH3COOH = NACH3COO + H2 =>
2 NA + 2 CH3COOH = 2 NACH3COO + H2
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Li + HOH = H2 + LiOH =>
2 Li + 2 HOH = H2 + 2 LiOH
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Na2O + (NH4)2SO4 = Na2SO4 + H2O + NH3 =>
Na2O + (NH4)2SO4 = Na2SO4 + H2O + 2 NH3
Al2(SO4)3 + BaCl2 = AlCl3 + BaSO4 =>
Al2(SO4)3 + 3 BaCl2 = 2 AlCl3 + 3 BaSO4
CH3NH2 + O2 = CO2 + H2O + N2 =>
4 CH3NH2 + 9 O2 = 4 CO2 + 10 H2O + 2 N2
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Al(NO3)3 + Na2CO3 = Al2(CO3)3 + NaNO3 =>
2 Al(NO3)3 + 3 Na2CO3 = Al2(CO3)3 + 6 NaNO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
P + O2 = P2O3 =>
4 P + 3 O2 = 2 P2O3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Cu + S8 = CuS =>
8 Cu + S8 = 8 CuS
H3PO4 + NaOH = Na3PO4 + H2O =>
H3PO4 + 3 NaOH = Na3PO4 + 3 H2O
Cu + AgNO3 = Ag + Cu(NO3)2 =>
Cu + 2 AgNO3 = 2 Ag + Cu(NO3)2
Na2CO3 + CuSO4 = Na2SO4 + CuCO3 =>
Na2CO3 + CuSO4 = Na2SO4 + CuCO3
K + MgCl2 = K(Cl2) + Mg =>
K + MgCl2 = K(Cl2) + Mg
Mn2O7 + H2O = HMnO4 =>
Mn2O7 + H2O = 2 HMnO4
Al + Fe3N2 = AlN + Fe =>
2 Al + Fe3N2 = 2 AlN + 3 Fe
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
BaO + CO2 = BaCO3 =>
BaO + CO2 = BaCO3
Fe2O3 + HNO3 = Fe(NO3)3 + H2O =>
Fe2O3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
C6H5OH + H2O = C6H5O + H3O =>
C6H5OH + H2O = C6H5O + H3O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Na2O + (NH4)2SO4 = Na2SO4 + H2O + NH3 =>
Na2O + (NH4)2SO4 = Na2SO4 + H2O + 2 NH3
AgNO3 + Cu = Cu(NO3)2 + Ag =>
2 AgNO3 + Cu = Cu(NO3)2 + 2 Ag
HBr + Ba(OH)2 = BaBr2 + H2O =>
2 HBr + Ba(OH)2 = BaBr2 + 2 H2O
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
HfCl3 + Al = Hf + AlCl3 =>
HfCl3 + Al = Hf + AlCl3
CH3(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)6CH3 + 25 O2 = 16 CO2 + 18 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C5H12O + O2 = CO2 + H2O =>
2 C5H12O + 15 O2 = 10 CO2 + 12 H2O
Na + HCl = NaCl + H2 =>
2 Na + 2 HCl = 2 NaCl + H2
KMnO4 + Na2SO3 + KOH = K2MnO4 + Na2SO4 + H2O =>
2 KMnO4 + Na2SO3 + 2 KOH = 2 K2MnO4 + Na2SO4 + H2O
Ag + S8 = Ag2S =>
16 Ag + S8 = 8 Ag2S
H2 + C12 = HC1 =>
6 H2 + C12 = 12 HC1
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
NaBr + ZnCl2 = NaCl + ZnBr2 =>
2 NaBr + ZnCl2 = 2 NaCl + ZnBr2
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
NH4OH + H3PO4 = NH4H2PO4 + H2O =>
NH4OH + H3PO4 = NH4H2PO4 + H2O
AlI3 + Pb(NO3)2 = PbI2 + Al(NO3)3 =>
2 AlI3 + 3 Pb(NO3)2 = 3 PbI2 + 2 Al(NO3)3
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