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4 H + O2 = 2 H2O
Sn + HCl = SnCl2 + H2 =>
Sn + 2 HCl = SnCl2 + H2
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
Zn + HCI = ZnCI + H2 =>
2 Zn + 2 HCI = 2 ZnCI + H2
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
C7H12O + O2 = CO2 + H2O =>
2 C7H12O + 19 O2 = 14 CO2 + 12 H2O
P + O2 = P2O3 =>
4 P + 3 O2 = 2 P2O3
Na + HCI = NaCI + H2 =>
2 Na + 2 HCI = 2 NaCI + H2
NiCl2 + O2 = NiO + Cl2O5 =>
NiCl2 + 3 O2 = NiO + Cl2O5
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
NO2 = N + O2 =>
NO2 = N + O2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
NH2CH2COOH + Ca(ClO4)2 = (NH2CH2COO)3Ca2(ClO4)4 + H2 =>
6 NH2CH2COOH + 4 Ca(ClO4)2 = 2(NH2CH2COO)3Ca2(ClO4)4 + 3 H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Na + MgCl2 = NaCl + Mg =>
2 Na + MgCl2 = 2 NaCl + Mg
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
CuCO3 = CuO + CO2 =>
CuCO3 = CuO + CO2
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
NH3 + H2O = NH4OH =>
NH3 + H2O = NH4OH
Fe{2+} + MnO4{-} + H{+} = Fe{3+} + Mn{2+} + H2O =>
5 Fe{2+} + MnO4{-} + 8 H{+} = 5 Fe{3+} + Mn{2+} + 4 H2O
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
H2S = H2 + S =>
H2S = H2 + S
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
H2O + AI = AI(OH)3 + H2 =>
6 H2O + 2 AI = 2 AI(OH)3 + 3 H2
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
H2S = H2 + S2 =>
2 H2S = 2 H2 + S2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Fe2O3 + C = CO + Fe =>
Fe2O3 + 3 C = 3 CO + 2 Fe
NaO + H2O = NaOH + OH =>
NaO + H2O = NaOH + OH
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Na2SO4 + CaCl2 = CaSO4 + NaCl =>
Na2SO4 + CaCl2 = CaSO4 + 2 NaCl
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
MnO4{-} + SO3{-2} + H2O = MnO2 + SO4{2-} + OH{-} =>
2 MnO4{-} + 3 SO3{-2} + H2O = 2 MnO2 + 3 SO4{2-} + 2 OH{-}
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