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4 Fe + 6 H2O + 3 O2 = 4 Fe(OH)3
C3H6O2 + O2 = CO2 + H2O =>
2 C3H6O2 + 7 O2 = 6 CO2 + 6 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Bi(NO3)3 + H2S = Bi2S3 + HNO3 =>
2 Bi(NO3)3 + 3 H2S = Bi2S3 + 6 HNO3
Al2 + NaOH = NaAlO3 + NaAl + H2O =>
3 Al2 + 6 NaOH = NaAlO3 + 5 NaAl + 3 H2O
TiCl4 + H2O = TiO2 + HCl =>
TiCl4 + 2 H2O = TiO2 + 4 HCl
NH3 + Cl2 = N2H4 + NH4Cl =>
4 NH3 + Cl2 = N2H4 + 2 NH4Cl
KBr + AgNO3 + Na2S2O3 = AgBr + Na2NO3 + KS2O3 =>
KBr + AgNO3 + Na2S2O3 = AgBr + Na2NO3 + KS2O3
ClO3{-} + Fe{2+} + H{+} = Cl{-} + Fe{3+} + H2O =>
ClO3{-} + 6 Fe{2+} + 6 H{+} = Cl{-} + 6 Fe{3+} + 3 H2O
Na(OH)2 + CO2 = Na(HCO3)2 =>
Na(OH)2 + 2 CO2 = Na(HCO3)2
CO2 + S8 = CS2 + SO2 =>
8 CO2 + 3 S8 = 8 CS2 + 8 SO2
COOHCH2CH2CHNH2COONa + HCl = COOHCOOHNH2CH2CH2CH + NaCl =>
COOHCH2CH2CHNH2COONa + HCl = COOHCOOHNH2CH2CH2CH + NaCl
Pb3O4(s) = PbO(s) + O2(g) =>
2 Pb3O4(s) = 6 PbO(s) + O2(g)
NaOH + KNO3 = NaNO3 + KOH =>
NaOH + KNO3 = NaNO3 + KOH
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
K2F2O7 + KOH = K2FO4 + H2O =>
K2F2O7 + 2 KOH = 2 K2FO4 + H2O
Fe + NaBr = FeBr3 + Na =>
Fe + 3 NaBr = FeBr3 + 3 Na
NO2 + NAOH = NANO2 + NANO3 + H2O =>
2 NO2 + 2 NAOH = NANO2 + NANO3 + H2O
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
H2 + C + O2 = C8H18O =>
18 H2 + 16 C + O2 = 2 C8H18O
CaSO4 + Mg(OH)2 = Ca(OH)2 + MgSO4 =>
CaSO4 + Mg(OH)2 = Ca(OH)2 + MgSO4
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C2H5OH = C4H6 + H2O + H2 =>
2 C2H5OH = C4H6 + 2 H2O + H2
NH4OH + HBr = H2O + NH4Br =>
NH4OH + HBr = H2O + NH4Br
Pb + O2 = PbO2 =>
Pb + O2 = PbO2
Mg + Br2 = MgBr2 =>
Mg + Br2 = MgBr2
CH4 + O2 = CO2 + H20 =>
5 CH4 + 5 O2 = 5 CO2 + H20
Na2CO3 + Ca = Ca2CO3 + Na =>
Na2CO3 + 2 Ca = Ca2CO3 + 2 Na
H3PO4 + NaOH = H2O + Na3PO4 =>
H3PO4 + 3 NaOH = 3 H2O + Na3PO4
C6H12O6 = CH3CH2OH + CO2 =>
C6H12O6 = 2 CH3CH2OH + 2 CO2
MnO2 + HCl = MnCl2 + Cl2 + H2O =>
MnO2 + 4 HCl = MnCl2 + Cl2 + 2 H2O
Na2CO3 = Na2O + CO2 =>
Na2CO3 = Na2O + CO2
Cl2 + KOH = KCl + KClO + H2O =>
Cl2 + 2 KOH = KCl + KClO + H2O
Na2S + KMnO4 + H2O = S + MnO2 + NaOH + KOH =>
3 Na2S + 2 KMnO4 + 4 H2O = 3 S + 2 MnO2 + 6 NaOH + 2 KOH
KI + HNO2 = NO + I2 + H2O + KNO2 =>
2 KI + 4 HNO2 = 2 NO + I2 + 2 H2O + 2 KNO2
MgCl2(aq) + Na3PO4(aq) = Mg3(PO4)2(s) + NaCl(aq) =>
3 MgCl2(aq) + 2 Na3PO4(aq) = Mg3(PO4)2(s) + 6 NaCl(aq)
H2S + LiOH = Li2S + H2O =>
H2S + 2 LiOH = Li2S + 2 H2O
H2 + C + O2 = CH2O =>
2 H2 + 2 C + O2 = 2 CH2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KMNO4 + KI + H2SO4 = MNSO4 + K2SO4 + H2O + I2 =>
2 KMNO4 + 10 KI + 8 H2SO4 = 2 MNSO4 + 6 K2SO4 + 8 H2O + 5 I2
FE + HCl = FECl3 + H2 =>
2 FE + 6 HCl = 2 FECl3 + 3 H2
Fe(CrO2)2 + Na2CO3 + O2 = Fe2O3 + Na2CrO4 + CO2 =>
4 Fe(CrO2)2 + 8 Na2CO3 + 7 O2 = 2 Fe2O3 + 8 Na2CrO4 + 8 CO2
Na + C + O2 = Na2CO3 =>
4 Na + 2 C + 3 O2 = 2 Na2CO3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Zn + BiCl3 = Bi + ZnCl2 =>
3 Zn + 2 BiCl3 = 2 Bi + 3 ZnCl2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HgO(s) = Hg(l) + O2(g) =>
2 HgO(s) = 2 Hg(l) + O2(g)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
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