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2 Fe3 + 9 Br2 = 6 FeBr3
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
Na + HCl = NaCl + H2 =>
2 Na + 2 HCl = 2 NaCl + H2
KMnO4 + H2SO3 = K2SO4 + MnSO4 + H2SO4 + H2O =>
2 KMnO4 + 5 H2SO3 = K2SO4 + 2 MnSO4 + 2 H2SO4 + 3 H2O
KNO3 = K2O + N2 + O2 =>
4 KNO3 = 2 K2O + 2 N2 + 5 O2
Fe + Br = FeBr3 =>
Fe + 3 Br = FeBr3
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
(CuOH)2 = CuO + H2 =>
(CuOH)2 = 2 CuO + H2
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
CuO = Cu + O2 =>
2 CuO = 2 Cu + O2
KMnO4 + MnSO4 + H2O = MnO2 + K2SO4 + H2SO4 =>
2 KMnO4 + 3 MnSO4 + 2 H2O = 5 MnO2 + K2SO4 + 2 H2SO4
K2SO3 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
3 K2SO3 + K2Cr2O7 + 4 H2SO4 = 4 K2SO4 + Cr2(SO4)3 + 4 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
CH3COONa + NaOH = CH4 + Na2CO3 =>
CH3COONa + NaOH = CH4 + Na2CO3
Al + KNO3 + KOH = K3AlO3 + NH3 + H2O =>
8 Al + 3 KNO3 + 21 KOH = 8 K3AlO3 + 3 NH3 + 6 H2O
Al2O3 + Na = Al + Na2O =>
Al2O3 + 6 Na = 2 Al + 3 Na2O
SO2 + LiOH = S(OH)4 + Li2O =>
SO2 + 4 LiOH = S(OH)4 + 2 Li2O
CH3COONa + NaOH = CH4 + Na2CO3 =>
CH3COONa + NaOH = CH4 + Na2CO3
C3H8 + O2 = CO2 + H20 =>
5 C3H8 + 15 O2 = 15 CO2 + 2 H20
ZN + NaOH = Na2ZNO2 + H2 =>
ZN + 2 NaOH = Na2ZNO2 + H2
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
Cu + Au(NO3)3 = CuNO3 + Au =>
3 Cu + Au(NO3)3 = 3 CuNO3 + Au
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NaCl + H2SO4 + MnO2 = Na2SO4 + MnSO4 + H2O + Cl2 =>
2 NaCl + 2 H2SO4 + MnO2 = Na2SO4 + MnSO4 + 2 H2O + Cl2
(COOH)2*2H2O + KOH = (KCOO)2*2H2O + H2O =>
(COOH)2*2H2O + 2 KOH = (KCOO)2*2H2O + 2 H2O
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NH3 + CuO = Cu + H2O + N2 =>
2 NH3 + 3 CuO = 3 Cu + 3 H2O + N2
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
Co(OH)3 + HCl = CoCl2 + H2O + Cl2 =>
2 Co(OH)3 + 6 HCl = 2 CoCl2 + 6 H2O + Cl2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
CaCl2 + H2O = Ca(OH)2 + HCl =>
CaCl2 + 2 H2O = Ca(OH)2 + 2 HCl
K2CrO7 + HCl + H2S = KCl + CrCl3 + H2O + S =>
2 K2CrO7 + 10 HCl + 9 H2S = 4 KCl + 2 CrCl3 + 14 H2O + 9 S
H3PO4 + CaO = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 CaO = Ca3(PO4)2 + 3 H2O
Fe2O3 + KOH = Fe(OH)3 + K2O =>
Fe2O3 + 6 KOH = 2 Fe(OH)3 + 3 K2O
SO2 + H2O + O2 = H2SO4 =>
2 SO2 + 2 H2O + O2 = 2 H2SO4
K2Cr2O7 + KI + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + I2 =>
K2Cr2O7 + 6 KI + 7 H2SO4 = 4 K2SO4 + Cr2(SO4)3 + 7 H2O + 3 I2
K2CrO4 + H2O = KOH + H2CrO4 =>
K2CrO4 + 2 H2O = 2 KOH + H2CrO4
V + O2 = V2O5 =>
4 V + 5 O2 = 2 V2O5
Fe + Cu(So4) = Fe(So4) + Cu =>
Fe + Cu(So4) = Fe(So4) + Cu
Fe + Cu(SO4) = Fe(SO4) + Cu =>
Fe + Cu(SO4) = Fe(SO4) + Cu
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2S + NaOH = Na2S + H2O =>
H2S + 2 NaOH = Na2S + 2 H2O
NO + NH3 = N2 + H2O =>
6 NO + 4 NH3 = 5 N2 + 6 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
LiMnO4 + HBr = LiBr + MnBr2 + Br2 + H2O =>
2 LiMnO4 + 16 HBr = 2 LiBr + 2 MnBr2 + 5 Br2 + 8 H2O
CuCl + HCl = CuCl2 + H2 =>
2 CuCl + 2 HCl = 2 CuCl2 + H2
NO2 + NH3 = N2 + H2O =>
6 NO2 + 8 NH3 = 7 N2 + 12 H2O
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