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N2 + 2 K = K2N2
CuBr2 + Cl2 = Br2 + CuCl2 =>
CuBr2 + Cl2 = Br2 + CuCl2
(NH4)CO3 + HCl = NH4Cl + HCO3 =>
(NH4)CO3 + HCl = NH4Cl + HCO3
Bi2O3 + Br2 + KOH = H2O + KBr + KBiO3 =>
Bi2O3 + 2 Br2 + 6 KOH = 3 H2O + 4 KBr + 2 KBiO3
K2MnO4 + NO2 = Mn(NO3)2 + KNO3 =>
K2MnO4 + 4 NO2 = Mn(NO3)2 + 2 KNO3
Mn2O3 + C = Mn + CO2 =>
2 Mn2O3 + 3 C = 4 Mn + 3 CO2
Al + CaCl2 = AlCl3 + Ca2 =>
4 Al + 6 CaCl2 = 4 AlCl3 + 3 Ca2
C17H36 + O2 = CO2 + H2O =>
C17H36 + 26 O2 = 17 CO2 + 18 H2O
K2SO4 + HOH = KOH + SO4H2 =>
K2SO4 + 2 HOH = 2 KOH + SO4H2
Fe + BaBr2 = FeBr2 + Ba =>
Fe + BaBr2 = FeBr2 + Ba
CaO + SO4 = CaSO4 + O2 =>
2 CaO + 2 SO4 = 2 CaSO4 + O2
Fe(NO3)3 + NaOH = NaFeO2 + NaNO3 + H2O =>
Fe(NO3)3 + 4 NaOH = NaFeO2 + 3 NaNO3 + 2 H2O
Fe(OH)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 HNO3 = Fe(NO3)3 + 3 H2O
H2O + C6H8 + KMnO4 = C6H12O4 + MnO2 + KOH =>
8 H2O + 3 C6H8 + 4 KMnO4 = 3 C6H12O4 + 4 MnO2 + 4 KOH
(NH4)2SO4 + Pb(NO3)2 = NH4NO3 + PbSO4 =>
(NH4)2SO4 + Pb(NO3)2 = 2 NH4NO3 + PbSO4
MgSO4*7H2O + Na2CO3 = MgCO3 + Na2SO4 + H2O =>
MgSO4*7H2O + Na2CO3 = MgCO3 + Na2SO4 + 7 H2O
Na2SO4 + AgNO3 = NaNO3 + Ag2SO4 =>
Na2SO4 + 2 AgNO3 = 2 NaNO3 + Ag2SO4
Cu(NO3)2 = Cu + N2 + O2 =>
Cu(NO3)2 = Cu + N2 + 3 O2
BaCl2 + H2O = Ba(OH)2 + HCl =>
BaCl2 + 2 H2O = Ba(OH)2 + 2 HCl
Zn(NO3)2 + HOH = Zn(OH) + H(NO3)2 =>
Zn(NO3)2 + HOH = Zn(OH) + H(NO3)2
Ba(ClO2)2 = BaCl2 + O2 =>
Ba(ClO2)2 = BaCl2 + 2 O2
IO4{-} + I{-} + H{+} = H2O + I2 =>
IO4{-} + 7 I{-} + 8 H{+} = 4 H2O + 4 I2
AlCl3 + Ca(OH)2 = Al(OH)3 + CaCl2 =>
2 AlCl3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaCl2
Al(OH)3*3H2O = Al(OH)3 + H2O =>
Al(OH)3*3H2O = Al(OH)3 + 3 H2O
Na2SO4 + HCl = NaCl + H2O2 + SO2 =>
Na2SO4 + 2 HCl = 2 NaCl + H2O2 + SO2
SO3 + KOH = K2SO4 + H2O =>
SO3 + 2 KOH = K2SO4 + H2O
C3H5(NO3)3(l) = CO2(g) + N2(g) + H2O(g) + O2 =>
4 C3H5(NO3)3(l) = 12 CO2(g) + 6 N2(g) + 10 H2O(g) + O2
K + S = K2S =>
2 K + S = K2S
NH4OH + HCl = NH4Cl + HOH =>
NH4OH + HCl = NH4Cl + HOH
K2CO3 + Li2SO3 = K2SO3 + Li2CO3 =>
K2CO3 + Li2SO3 = K2SO3 + Li2CO3
Pb + Pb2O4 + H2SO4 = PbSO4 + H2O =>
2 Pb + Pb2O4 + 4 H2SO4 = 4 PbSO4 + 4 H2O
C2H2 + AgNO3 = Ag2C2 + HNO3 =>
C2H2 + 2 AgNO3 = Ag2C2 + 2 HNO3
K + S = K2S =>
2 K + S = K2S
As2S3 + NaClO + NaOH = Na3AsO4 + NaCl + Na2SO4 + H2O =>
As2S3 + 14 NaClO + 12 NaOH = 2 Na3AsO4 + 14 NaCl + 3 Na2SO4 + 6 H2O
C6H5CH2CH3 + KMnO4 + H2SO4 = C6H5CH2COOH + MnSO4 + K2SO4 + H2O =>
5 C6H5CH2CH3 + 6 KMnO4 + 9 H2SO4 = 5 C6H5CH2COOH + 6 MnSO4 + 3 K2SO4 + 14 H2O
C57H110O6 + NaOH = C17H35COONa + C3H8O3 =>
C57H110O6 + 3 NaOH = 3 C17H35COONa + C3H8O3
HBr + H2SO4 = SO2 + Br2 + H2O = =>
2 HBr + H2SO4 = SO2 + Br2 + 2 H2O
Cl2 + NaI = NaICl2 =>
Cl2 + NaI = NaICl2
H2O + S2{-} + MnO4{-} = S + MnS + OH{-} =>
4 H2O + 7 S2{-} + MnO4{-} = 13 S + MnS + 8 OH{-}
Na2CO3 + CaCl2 = CaCO3 + NaCl =>
Na2CO3 + CaCl2 = CaCO3 + 2 NaCl
FeCl3 + NH4OH = NH4Cl + Fe(OH)3* =>
FeCl3 + 3 NH4OH = 3 NH4Cl + Fe(OH)3*
Cr2O3 + KNO3 + KOH = K2CrO4 + N + H2O =>
5 Cr2O3 + 6 KNO3 + 14 KOH = 10 K2CrO4 + 6 N + 7 H2O
As2S3 + O2 = As4O6 + SO2 =>
2 As2S3 + 9 O2 = As4O6 + 6 SO2
Mn{2+} + ClO3{-} + H2O = MnO2 + Cl{-} + H{+} =>
3 Mn{2+} + ClO3{-} + 3 H2O = 3 MnO2 + Cl{-} + 6 H{+}
C3H6O + O2 = CH + H2O =>
4 C3H6O + O2 = 12 CH + 6 H2O
Fe + Pb(CO3)2 = Fe2(CO3)3 + Pb =>
4 Fe + 3 Pb(CO3)2 = 2 Fe2(CO3)3 + 3 Pb
FeCl2*4H2O + NH4OH = Fe(OH)2 + NH4Cl + H2O =>
FeCl2*4H2O + 2 NH4OH = Fe(OH)2 + 2 NH4Cl + 4 H2O
C2H5COONa + HCl = C2H5COOH + NaCl =>
C2H5COONa + HCl = C2H5COOH + NaCl
C6H4(CH3)2 + Br2 = C6H4(CHBr2)2 + HBr =>
C6H4(CH3)2 + 4 Br2 = C6H4(CHBr2)2 + 4 HBr
ZnSO4 + Fe(OH)2 = FeSO4 + Zn(OH)2 =>
ZnSO4 + Fe(OH)2 = FeSO4 + Zn(OH)2
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