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2 CO3 = 2 CO2 + O2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NaCl + Ba(NO3)2 = NaNO3 + BaCl2 =>
2 NaCl + Ba(NO3)2 = 2 NaNO3 + BaCl2
H3PO4 + KOH = K3PO4 + H2O =>
H3PO4 + 3 KOH = K3PO4 + 3 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
CuS + NH3 = Cu3N2 + SH2 =>
3 CuS + 2 NH3 = Cu3N2 + 3 SH2
As2S5 + HNO3 + H2O = H3AsO4 + NO + H2SO4 =>
3 As2S5 + 40 HNO3 + 4 H2O = 6 H3AsO4 + 40 NO + 15 H2SO4
CuSO4 + Fe = CuFeSO4 =>
CuSO4 + Fe = CuFeSO4
CuSO4 + Fe = CuSO4Fe =>
CuSO4 + Fe = CuSO4Fe
FeO4 + CO = CO2 + Fe =>
FeO4 + 4 CO = 4 CO2 + Fe
Pb + HNO3 = Pb(NO3)2 + H =>
Pb + 2 HNO3 = Pb(NO3)2 + 2 H
Pb(NO3)2 + HCl = PbCl2 + HNO3 =>
Pb(NO3)2 + 2 HCl = PbCl2 + 2 HNO3
CuBr + Br2 = CuBr2 =>
2 CuBr + Br2 = 2 CuBr2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Ag2SO4 + NH4I = (NH4)2SO4 + AgI =>
Ag2SO4 + 2 NH4I = (NH4)2SO4 + 2 AgI
Al2(SO4)3 + CaBr2 = AlBr3 + CaSO4 =>
Al2(SO4)3 + 3 CaBr2 = 2 AlBr3 + 3 CaSO4
CaCO3 + HCl = H2CO3 + CaCl2 =>
CaCO3 + 2 HCl = H2CO3 + CaCl2
NaHCO3 = CO2 + Na2CO3 + H2O =>
2 NaHCO3 = CO2 + Na2CO3 + H2O
Al2(SO4)3 = Al2O3 + SO3 =>
Al2(SO4)3 = Al2O3 + 3 SO3
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Cl2 + KBr = KCl + Br =>
Cl2 + 2 KBr = 2 KCl + 2 Br
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
Al + Pb(NO3)2 = Pb + Al(NO3)3 =>
2 Al + 3 Pb(NO3)2 = 3 Pb + 2 Al(NO3)3
Si2H3 + O2 = SiO2 + H2O =>
4 Si2H3 + 11 O2 = 8 SiO2 + 6 H2O
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
Fe + O2 = FeO3 =>
2 Fe + 3 O2 = 2 FeO3
C7H6O2 + O2 = CO2 + H20 =>
10 C7H6O2 + 60 O2 = 70 CO2 + 3 H20
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
CH3COOH + CH3COONa = CH3COO + NaH =>
CH3COOH + CH3COONa = 2 CH3COO + NaH
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
U + F2 = UF6 =>
U + 3 F2 = UF6
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Al2(SO4)3 = Al2O3 + SO3 =>
Al2(SO4)3 = Al2O3 + 3 SO3
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
NaN3 = N2 + Na =>
2 NaN3 = 3 N2 + 2 Na
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Fe2O3 + Al = Al2O3 + Fe =>
Fe2O3 + 2 Al = Al2O3 + 2 Fe
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
HCl + NaHCO3 = NaCl + H2O + CO2 =>
HCl + NaHCO3 = NaCl + H2O + CO2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Mg(OH)2 + HCl = H2O + MgCl2 =>
Mg(OH)2 + 2 HCl = 2 H2O + MgCl2
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Sb + O2 = Sb4O6 =>
4 Sb + 3 O2 = Sb4O6
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
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