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4 Fe + 3 O2 = 2 Fe2O3
Al2O3 + CuSO4 = CuO3 + Al2SO4 =>
Al2O3 + CuSO4 = CuO3 + Al2SO4
C6HCOCH3 + H2 = C6H5CH(OH)CH3 =>
C6HCOCH3 + 3 H2 = C6H5CH(OH)CH3
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Cu(NH3)4{2+} + C2O4{2-} = (Cu(C2O4)2){2-} + NH3 =>
Cu(NH3)4{2+} + 2 C2O4{2-} = (Cu(C2O4)2){2-} + 4 NH3
HCl + BaSO3 = BaCl2 + SO2 + H2O =>
2 HCl + BaSO3 = BaCl2 + SO2 + H2O
Al + F2 = AlF3 =>
2 Al + 3 F2 = 2 AlF3
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Y2O3 + CoO + Ga2O3 = CoGa2O7 + Y3O4 =>
9 Y2O3 + CoO + Ga2O3 = CoGa2O7 + 6 Y3O4
LiCl + TaCl5 = LiTaCl6 =>
LiCl + TaCl5 = LiTaCl6
HNO3(aq) + Ca(OH)2(s) = Ca(NO3)2 + H2O =>
2 HNO3(aq) + Ca(OH)2(s) = Ca(NO3)2 + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Br2(aq) + KI(aq) = KBr(aq) + I2(l) =>
Br2(aq) + 2 KI(aq) = 2 KBr(aq) + I2(l)
Ca + CuF2 = CaF2 + Cu =>
Ca + CuF2 = CaF2 + Cu
As2O3 + Mg = As + MgO =>
As2O3 + 3 Mg = 2 As + 3 MgO
Pb(s) + NiI2(aq) = PbI2(aq) + Ni(s) =>
Pb(s) + NiI2(aq) = PbI2(aq) + Ni(s)
Mn + F2 = MnF1 =>
2 Mn + F2 = 2 MnF1
AlCl3(s) + Ca3N2(s) = AlN(s) + CaCl2(s) =>
2 AlCl3(s) + Ca3N2(s) = 2 AlN(s) + 3 CaCl2(s)
Ca(CO3) + C2H4O2 = Ca(C2H3O2)2 + H2O + CO2 =>
Ca(CO3) + 2 C2H4O2 = Ca(C2H3O2)2 + H2O + CO2
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
Cr2(SO4)3 + NH4F = Cr2F + NH4(SO4)3 =>
Cr2(SO4)3 + NH4F = Cr2F + NH4(SO4)3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Na2S2O3 = Na2SO4 + Na2S5 =>
4 Na2S2O3 = 3 Na2SO4 + Na2S5
Ca + H2O = Ca{+} + OH{-} + H2 =>
2 Ca + 2 H2O = 2 Ca{+} + 2 OH{-} + H2
Al2Mg3 + HCl = AlCl3 + MgCl2 + H2 =>
Al2Mg3 + 12 HCl = 2 AlCl3 + 3 MgCl2 + 6 H2
NaMnO4 + HCl = Cl2 + MnCl2 + NaCl + H2O =>
2 NaMnO4 + 16 HCl = 5 Cl2 + 2 MnCl2 + 2 NaCl + 8 H2O
FeCl + NO4OH = FeOH + NO4Cl =>
FeCl + NO4OH = FeOH + NO4Cl
KOH + C4H7OH = C4H7OK + H2O =>
KOH + C4H7OH = C4H7OK + H2O
FeCl3 + NH3 + H2O = NH4Cl3 + FeOH =>
FeCl3 + NH3 + H2O = NH4Cl3 + FeOH
HMnO4 + Fe(OH)3 = Fe(MnO4)3 + H2O =>
3 HMnO4 + Fe(OH)3 = Fe(MnO4)3 + 3 H2O
Pt3(BO3)4 + Al2(CrO4)3 = AlBO3 + Pt(CrO4)2 =>
Pt3(BO3)4 + 2 Al2(CrO4)3 = 4 AlBO3 + 3 Pt(CrO4)2
Na2C2O4 + H2O = H2C2O4 + NaOH =>
Na2C2O4 + 2 H2O = H2C2O4 + 2 NaOH
PbOH2SO4 = PbSO4H2O =>
PbOH2SO4 = PbSO4H2O
BaSO4 + (NaOH) = Na2SO4 + Ba(OH)2 =>
BaSO4 + 2(NaOH) = Na2SO4 + Ba(OH)2
HReO4 + KI + HCl = H2ReCl6 + I2 + H2O + KCl =>
2 HReO4 + 6 KI + 18 HCl = 2 H2ReCl6 + 3 I2 + 8 H2O + 6 KCl
Cr(OH)4 + NaOCl + NaOH = Na2CrO4 + NaCl + H2O =>
Cr(OH)4 + NaOCl + 2 NaOH = Na2CrO4 + NaCl + 3 H2O
HBr(aq) + Ca(OH)2 = CaBr2(aq) + H2O(l) =>
2 HBr(aq) + Ca(OH)2 = CaBr2(aq) + 2 H2O(l)
NH2{-}CH2{-}COOH + HCl = NH3Cl{-}CH2{-}COOH =>
NH2{-}CH2{-}COOH + HCl = NH3Cl{-}CH2{-}COOH
C3H98 + O2 = CO2 + H2O523 =>
2 C3H98 + 25633 O2 = 6 CO2 + 98 H2O523
Al + NaOH + KNO3 + H2O = K[Al(OH)4] + NH4NO3 + NaNO3 =>
8 Al + 2 NaOH + 8 KNO3 + 21 H2O = 8 K[Al(OH)4] + 3 NH4NO3 + 2 NaNO3
Na2B4O7 + C3H5(OH)3 + H2SO4 = (CHO)3B + Na2SO4 + H2O + BSO4 =>
3 Na2B4O7 + 4 C3H5(OH)3 + 11 H2SO4 = 4(CHO)3B + 3 Na2SO4 + 21 H2O + 8 BSO4
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
As2O3 + Mg = As + MgO =>
As2O3 + 3 Mg = 2 As + 3 MgO
Ba2 + H2O = Ba2O + H2 =>
Ba2 + H2O = Ba2O + H2
Ca2(CO3)2 = Ca + CO3 =>
Ca2(CO3)2 = 2 Ca + 2 CO3
NaI + H2SO4 = I2 + SO2 + NaHSO4 + H2O =>
2 NaI + 3 H2SO4 = I2 + SO2 + 2 NaHSO4 + 2 H2O
SO2 + NO2 = NO + SO3 =>
SO2 + NO2 = NO + SO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
H3N + F2 = N2 + [NH4]{+} + F{-} =>
8 H3N + 3 F2 = N2 + 6[NH4]{+} + 6 F{-}
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