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4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
FeCl2 + KNO3 + HCl = FeCl3 + NO + H2O + KCl =>
3 FeCl2 + KNO3 + 4 HCl = 3 FeCl3 + NO + 2 H2O + KCl
C2H6O + SOCl2 = C2H5Cl + H2SO3 =>
2 C2H6O + SOCl2 = 2 C2H5Cl + H2SO3
AgNO3 + C = AgNO3C =>
AgNO3 + C = AgNO3C
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HNO3 + H3AsO3 = NO + H3AsO4 + H2O =>
2 HNO3 + 3 H3AsO3 = 2 NO + 3 H3AsO4 + H2O
Cr2O7{2-} + OH{-} = CrO4{2-} + H2O =>
Cr2O7{2-} + 2 OH{-} = 2 CrO4{2-} + H2O
CO(g) + NO(g) = CO2(g) + N2(g) =>
2 CO(g) + 2 NO(g) = 2 CO2(g) + N2(g)
Sn + HNO3 = Sn(NO3)4 + H =>
Sn + 4 HNO3 = Sn(NO3)4 + 4 H
H3AsO3 + H2S = As2S3 + H2O =>
2 H3AsO3 + 3 H2S = As2S3 + 6 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
S2Cl2 + H2O = S + HCl + HSO4 =>
7 S2Cl2 + 8 H2O = 12 S + 14 HCl + 2 HSO4
H2CrO4 + BaBr2 = HBr + BaCrO4 =>
H2CrO4 + BaBr2 = 2 HBr + BaCrO4
CH2O3 = CO2 + OH2 =>
CH2O3 = CO2 + OH2
HNO3 + Ca(HCO3)2 = Ca(NO3)2 + H2O + CO2 =>
2 HNO3 + Ca(HCO3)2 = Ca(NO3)2 + 2 H2O + 2 CO2
Ag + S8 = Ag2S =>
16 Ag + S8 = 8 Ag2S
CH3CHO + K2CrO7 + H2SO4 = CH3COOH + Cr2(SO4)3 + K2SO4 + H2 =>
14 CH3CHO + 2 K2CrO7 + 5 H2SO4 = 14 CH3COOH + Cr2(SO4)3 + 2 K2SO4 + 5 H2
S2 + AgNo3 = Ag2S + No3 =>
S2 + 4 AgNo3 = 2 Ag2S + 4 No3
H3I + OH = I + H2O =>
H3I + 3 OH = I + 3 H2O
CO2 + HF = CF + HO2 =>
CO2 + HF = CF + HO2
SiF2 + H2O = H2 + SiF6 + H2SiO3 =>
3 SiF2 + 6 H2O = 4 H2 + SiF6 + 2 H2SiO3
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NaOH + C6H8O6 = H2O + NaC6H7O6 =>
NaOH + C6H8O6 = H2O + NaC6H7O6
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
Mg{2+} + Fe(NO3)3 = Mg(NO3)2 + Fe{3+} =>
3 Mg{2+} + 2 Fe(NO3)3 = 3 Mg(NO3)2 + 2 Fe{3+}
SrNO3 + NaS = SrS + NaNO3 =>
SrNO3 + NaS = SrS + NaNO3
Mg(s) + H2S(g) = MgS(s) + H2(g) =>
Mg(s) + H2S(g) = MgS(s) + H2(g)
C5H10 + O2 = CO2 + H2O =>
2 C5H10 + 15 O2 = 10 CO2 + 10 H2O
C17H33COOH + Br2 = C17H33Br2COOH =>
C17H33COOH + Br2 = C17H33Br2COOH
C2H4(OH)2 + O2 = CO2 + H2O =>
2 C2H4(OH)2 + 5 O2 = 4 CO2 + 6 H2O
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
CuSO4 + Na2CO3 = CuCO3 + Na2SO4 =>
CuSO4 + Na2CO3 = CuCO3 + Na2SO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NaC2H3O2 + Fe(NO3)3 = NaNO3 + Fe(C2H3O2)3 =>
3 NaC2H3O2 + Fe(NO3)3 = 3 NaNO3 + Fe(C2H3O2)3
PbCO3 + H2O2 = PbO2 + CO2 + H2O =>
PbCO3 + H2O2 = PbO2 + CO2 + H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
(NH4)2SO3 = NH3 + SO2 + H2O =>
(NH4)2SO3 = 2 NH3 + SO2 + H2O
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
Mg2 + H2O = H2 + Mg2O =>
Mg2 + H2O = H2 + Mg2O
Mg(s) + HCl(aq) = MgCl2(aq) + H2(g) =>
Mg(s) + 2 HCl(aq) = MgCl2(aq) + H2(g)
HC6H7O6 + NaOH = H2O + NaC6H7O6 =>
HC6H7O6 + NaOH = H2O + NaC6H7O6
Al(OH)3 + CO2 = Al(HCO3)3 =>
Al(OH)3 + 3 CO2 = Al(HCO3)3
CO3 + H = CO2 + H2O =>
CO3 + 2 H = CO2 + H2O
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
Na11 + O = Na2O =>
2 Na11 + 11 O = 11 Na2O
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