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2 K + O2 = 2 KO
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
HNO3 + NaO = NaNO3 + HO =>
HNO3 + NaO = NaNO3 + HO
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
CuCl2 + H2S = CuS + HCl =>
CuCl2 + H2S = CuS + 2 HCl
AgNO3 = Ag + O2 + NO2 =>
2 AgNO3 = 2 Ag + O2 + 2 NO2
AG + H2SO4 = AGSO4 + SO2 + H2O =>
AG + 2 H2SO4 = AGSO4 + SO2 + 2 H2O
CO2 + Cu(OH)2 = Cu2(OH)2CO3 + H2O =>
CO2 + 2 Cu(OH)2 = Cu2(OH)2CO3 + H2O
Al + H2SO4 = AlSO4 + H2 =>
Al + H2SO4 = AlSO4 + H2
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
As4O6 + MnO4{-} + H2O + Cl{-} = AsO4{3-} + MnCl2 + HCl =>
5 As4O6 + 8 MnO4{-} + 18 H2O + 52 Cl{-} = 20 AsO4{3-} + 8 MnCl2 + 36 HCl
CuO + O2 = Cu2O3 =>
4 CuO + O2 = 2 Cu2O3
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
HBr + H2SO4 = Br2 + SO2 + H2O =>
2 HBr + H2SO4 = Br2 + SO2 + 2 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Cl2 = Cl =>
Cl2 = 2 Cl
Al2(SO3)3 + NaOH = Na2SO3 + Al(OH)3 =>
Al2(SO3)3 + 6 NaOH = 3 Na2SO3 + 2 Al(OH)3
K2Cr2O7 + HCl = Cl2 + CrCl3 + KCl + H2O =>
K2Cr2O7 + 14 HCl = 3 Cl2 + 2 CrCl3 + 2 KCl + 7 H2O
CoNO3 + HCO3 = CoCO3 + HNO3 =>
CoNO3 + HCO3 = CoCO3 + HNO3
Cu2O + H2O = CuOH =>
Cu2O + H2O = 2 CuOH
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
K2CrO4 + C2H5OH + H2SO4 = CH3CO + H2O + K[Cr2(SO4)2] + K2SO4 =>
4 K2CrO4 + 6 C2H5OH + 7 H2SO4 = 6 CH3CO + 16 H2O + 2 K[Cr2(SO4)2] + 3 K2SO4
CrCl3 + Cl2 + KOH = K2Cr2O7 + KCl + H2O =>
2 CrCl3 + 3 Cl2 + 14 KOH = K2Cr2O7 + 12 KCl + 7 H2O
Na3PO4 + MgCl2 = NaCl + Mg3(PO4)2 =>
2 Na3PO4 + 3 MgCl2 = 6 NaCl + Mg3(PO4)2
Al + Ag2O = Al2O3 + Ag =>
2 Al + 3 Ag2O = Al2O3 + 6 Ag
C2H4 + Cl2 = C2H4Cl2 =>
C2H4 + Cl2 = C2H4Cl2
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
Co(NO3)2 + H2CO3 = CoCO3 + HNO3 =>
Co(NO3)2 + H2CO3 = CoCO3 + 2 HNO3
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
Si + SiO2 = SiO =>
Si + SiO2 = 2 SiO
Na2O + CO2 = Na2CO3 =>
Na2O + CO2 = Na2CO3
K2CrO4 + C2H5OH + H2SO4 = CH3CO + H2O + K[Cr2(SO4)2]12H2O + K2SO4 =>
144 K2CrO4 + 194 C2H5OH + 285 H2SO4 = 194 CH3CO + 570 H2O + 6 K[Cr2(SO4)2]12H2O + 141 K2SO4
C2H2 + H2O = CH3COH =>
C2H2 + H2O = CH3COH
Na3PO4 + ZnCl2 = Zn3(PO4)2 + NaCl =>
2 Na3PO4 + 3 ZnCl2 = Zn3(PO4)2 + 6 NaCl
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
NaIO3 + NaHSO3 = NaHSO4 + Na2SO4 + H2O + I2 =>
2 NaIO3 + 5 NaHSO3 = 3 NaHSO4 + 2 Na2SO4 + H2O + I2
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
C4H8O2 + O2 = CO2 + H20 =>
5 C4H8O2 + 15 O2 = 20 CO2 + 2 H20
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
Na + NH3 = NaNH2 + H2 =>
2 Na + 2 NH3 = 2 NaNH2 + H2
Na + N2 = NaN3 =>
2 Na + 3 N2 = 2 NaN3
KOH + CuSO4 = K2SO4 + Cu(OH)2 =>
2 KOH + CuSO4 = K2SO4 + Cu(OH)2
Hg(ClO3)2 + K2(CO3) = Hg(CO3) + K(ClO3) =>
Hg(ClO3)2 + K2(CO3) = Hg(CO3) + 2 K(ClO3)
C2H5OH + O2 = CH3COOH + H2 =>
2 C2H5OH + O2 = 2 CH3COOH + 2 H2
Al + CO3 = AlCO3 =>
Al + CO3 = AlCO3
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