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4 Fe + 3 O2 = 2 Fe2O3
Al + Fe(NO3)2 = Al(NO3)3 + Fe =>
2 Al + 3 Fe(NO3)2 = 2 Al(NO3)3 + 3 Fe
Al(OH)3 + NaOH = Na[Al(OH)4] =>
Al(OH)3 + NaOH = Na[Al(OH)4]
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
H3BO3 = H2O + B2O3 =>
2 H3BO3 = 3 H2O + B2O3
NaH + H2O = NaOH + H2 =>
NaH + H2O = NaOH + H2
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Cu2S + O2 = CuO + SO2 =>
Cu2S + 2 O2 = 2 CuO + SO2
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
Fe + Cd(NO3)2 = Fe(NO3)3 + Cd =>
2 Fe + 3 Cd(NO3)2 = 2 Fe(NO3)3 + 3 Cd
TeO2 + KMnO4 + H2O + HNO3 = H6TeO6 + KNO3 + Mn(NO3)2 =>
5 TeO2 + 2 KMnO4 + 12 H2O + 6 HNO3 = 5 H6TeO6 + 2 KNO3 + 2 Mn(NO3)2
Al + KOH + H2O = K3Al(OH)6 + H2 =>
2 Al + 6 KOH + 6 H2O = 2 K3Al(OH)6 + 3 H2
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
K2Cr2O7 + H2S + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O =>
4 K2Cr2O7 + 3 H2S + 13 H2SO4 = 4 Cr2(SO4)3 + 4 K2SO4 + 16 H2O
Sb + Cl2 = SbCl3 =>
2 Sb + 3 Cl2 = 2 SbCl3
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
NaH + HOH = NaOH + H2 =>
NaH + HOH = NaOH + H2
Cr2O3 + KNO3 + KOH = K2CrO4 + KNO2 + H2O =>
Cr2O3 + 3 KNO3 + 4 KOH = 2 K2CrO4 + 3 KNO2 + 2 H2O
Au + HNO3 + HCl = H[AuCl4] + NO + H2O =>
Au + HNO3 + 4 HCl = H[AuCl4] + NO + 2 H2O
Cl2 + KOH = KClO3 + KCl + H2O =>
3 Cl2 + 6 KOH = KClO3 + 5 KCl + 3 H2O
Cl2 + Al = AlCl3 =>
3 Cl2 + 2 Al = 2 AlCl3
Mg2 + O2 = MgO =>
Mg2 + O2 = 2 MgO
AgF + CaCl2 = AgCl + CaF2 =>
2 AgF + CaCl2 = 2 AgCl + CaF2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Na + S = Na2S =>
2 Na + S = Na2S
Fe2(CO3)3 = Fe2O3 + CO2 =>
Fe2(CO3)3 = Fe2O3 + 3 CO2
CoCl2 + KBr = CoBr + KCl2 =>
CoCl2 + KBr = CoBr + KCl2
Cu + S = CuS =>
Cu + S = CuS
CaCl2 = Ca + Cl2 =>
CaCl2 = Ca + Cl2
CrCl2 + NaOH + Br2 = Na2CrO4 + NaBr + NaCl + H2O =>
CrCl2 + 8 NaOH + 2 Br2 = Na2CrO4 + 4 NaBr + 2 NaCl + 4 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Rb + O2 = RbO =>
2 Rb + O2 = 2 RbO
Cu + S = Cu2S =>
2 Cu + S = Cu2S
NaOH + HNO3 = NaNO3 + H2O =>
NaOH + HNO3 = NaNO3 + H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
CaH2 + H2O = Ca(OH) + H =>
CaH2 + H2O = Ca(OH) + 3 H
CrI3 + KOH + Cl2 = K2CrO4 + KIO4 + KCl + H2O =>
2 CrI3 + 64 KOH + 27 Cl2 = 2 K2CrO4 + 6 KIO4 + 54 KCl + 32 H2O
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
SO2 + O2 + H2O = H2SO4 =>
2 SO2 + O2 + 2 H2O = 2 H2SO4
Fe(OH)3 + HI = FeI + I2 + H2O =>
Fe(OH)3 + 3 HI = FeI + I2 + 3 H2O
CaH2 + H2O = Ca(OH) + H2 =>
2 CaH2 + 2 H2O = 2 Ca(OH) + 3 H2
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
SO2 + O2 + H2O = H2SO4 =>
2 SO2 + O2 + 2 H2O = 2 H2SO4
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
NH4ClO4 = N2 + Cl2 + O2 + H2O =>
2 NH4ClO4 = N2 + Cl2 + 2 O2 + 4 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
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