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10 Fe + 10 O2 + H20 = 10 Fe(OH)2
Fe3C = Fe + C =>
Fe3C = 3 Fe + C
NH2 + O3 = NO + H2O =>
3 NH2 + 2 O3 = 3 NO + 3 H2O
Na2O + SO3 = Na2SO4 =>
Na2O + SO3 = Na2SO4
Fe + C = Fe3C =>
3 Fe + C = Fe3C
Fe + C = Fe7C3 =>
7 Fe + 3 C = Fe7C3
NH2 + O2 = NO + H2O =>
NH2 + O2 = NO + H2O
C6H6 + Br2 = C6H5Br + HBr =>
C6H6 + Br2 = C6H5Br + HBr
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CO2 + H2O = C4H6O6 + O2 =>
8 CO2 + 6 H2O = 2 C4H6O6 + 5 O2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C2H4 + O2 = CO2 + H20 =>
5 C2H4 + 10 O2 = 10 CO2 + H20
Fe + H2So4 = Fe(So4) + H2 =>
Fe + H2So4 = Fe(So4) + H2
KMnO4 + HCl = KCl + MnCl2 + ClO2 + H2O =>
KMnO4 + 4 HCl = KCl + MnCl2 + ClO2 + 2 H2O
Fe + H2SO4 = Fe(SO4) + H2 =>
Fe + H2SO4 = Fe(SO4) + H2
Co(NO3)2*6H2O + NH4Cl = CoCl2 + H2O + NH4NO3 =>
Co(NO3)2*6H2O + 2 NH4Cl = CoCl2 + 6 H2O + 2 NH4NO3
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
CoCl2 + NH4OH = Co(OH)2 + NH4Cl =>
CoCl2 + 2 NH4OH = Co(OH)2 + 2 NH4Cl
CH3CH2COOH + O2 = CO2 + H2O =>
2 CH3CH2COOH + 7 O2 = 6 CO2 + 6 H2O
BaCl2 + Na3PO4 = Ba3(PO4)2 + NaCl =>
3 BaCl2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaCl
C18H15O2N + H2SO4 + NaOH = C18H13NNa2O8S2 + H2O =>
C18H15O2N + 2 H2SO4 + 2 NaOH = C18H13NNa2O8S2 + 4 H2O
Pb(NO3)2(aq) + KF(aq) = PbF2(s) + K{+}(aq) + NO3{-}(aq) =>
Pb(NO3)2(aq) + 2 KF(aq) = PbF2(s) + 2 K{+}(aq) + 2 NO3{-}(aq)
Co(OH)2 + Na2S = CoS + NaOH =>
Co(OH)2 + Na2S = CoS + 2 NaOH
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
MnO + C = Mn7C3 + CO =>
7 MnO + 10 C = Mn7C3 + 7 CO
Cr2(SO4) + KI + KIO3 + H2O = Cr(OH)3 + K2SO4 + I2 =>
Cr2(SO4) + KI + KIO3 + 3 H2O = 2 Cr(OH)3 + K2SO4 + I2
Pb(NO3)2 + Na2SO4 = PbSO4 + NaNO3 =>
Pb(NO3)2 + Na2SO4 = PbSO4 + 2 NaNO3
Co(NO3)2*6H2O + Na2CO3 = H2O + Co(CO3) + NaNO3 =>
Co(NO3)2*6H2O + Na2CO3 = 6 H2O + Co(CO3) + 2 NaNO3
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
Co(NO3)2*6H2O + NH4SCN = H2O + Co(SCN)2 + NH4NO3 =>
Co(NO3)2*6H2O + 2 NH4SCN = 6 H2O + Co(SCN)2 + 2 NH4NO3
Mn(NO3)2*4H2O + C2H5NO2 = N2 + MnO + CO2 + H2O =>
9 Mn(NO3)2*4H2O + 10 C2H5NO2 = 14 N2 + 9 MnO + 20 CO2 + 61 H2O
C2H6OS + H2O2 = C2H6O2S + H2O =>
C2H6OS + H2O2 = C2H6O2S + H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Co(NO3)2*6H2O + HCl = CoCl2 + H2O + HNO3 =>
Co(NO3)2*6H2O + 2 HCl = CoCl2 + 6 H2O + 2 HNO3
NH2 + O2 = NO + H2O =>
NH2 + O2 = NO + H2O
Fe3C + C = Fe7C3 =>
7 Fe3C + 2 C = 3 Fe7C3
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
CoCl2 + Na2S = CoS + NaCl =>
CoCl2 + Na2S = CoS + 2 NaCl
Pb + Cu(NO3)2 = PbNO3 + Cu =>
2 Pb + Cu(NO3)2 = 2 PbNO3 + Cu
MnO + C = Mn7C3 + CO =>
7 MnO + 10 C = Mn7C3 + 7 CO
Cl2 + NaOH = NaCl + NaClO4 + H2O =>
4 Cl2 + 8 NaOH = 7 NaCl + NaClO4 + 4 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
MnO + Fe3C + C = Fe7Mn7C3 + CO =>
21 MnO + 7 Fe3C + 23 C = 3 Fe7Mn7C3 + 21 CO
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
NH3 + HC2H3O2 = NH4C2H3O2 =>
NH3 + HC2H3O2 = NH4C2H3O2
(NH4)2CO3(s) = NH3(g) + CO2(g) + H2O(g) =>
(NH4)2CO3(s) = 2 NH3(g) + CO2(g) + H2O(g)
Al + O = Al2O3 =>
2 Al + 3 O = Al2O3
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