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2 KMnO4 + 2 KI = 2 MnO2 + I2 + 4 KO
Cu + HNO3 = CuN2O6 + NO2 + H2O =>
Cu + 4 HNO3 = CuN2O6 + 2 NO2 + 2 H2O
FeS2 + O2 = Fe2O2 + SO2 =>
2 FeS2 + 5 O2 = Fe2O2 + 4 SO2
Al + H2So4 = Al2(So4)3 + H2 =>
2 Al + 3 H2So4 = Al2(So4)3 + 3 H2
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
MnO2 + KBr + H2SO4 = MnSO4 + Br2 + K2SO4 + H2O =>
MnO2 + 2 KBr + 2 H2SO4 = MnSO4 + Br2 + K2SO4 + 2 H2O
CH3CHBRCH3 + NA = CH3CHNACH3 + BR =>
CH3CHBRCH3 + NA = CH3CHNACH3 + BR
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
Ni(NO3)2 + H2SO4 = NiSO4 + HNO3 =>
Ni(NO3)2 + H2SO4 = NiSO4 + 2 HNO3
Al3 + NaOH + H2O = NaAlO2 + H2 =>
2 Al3 + 6 NaOH + 6 H2O = 6 NaAlO2 + 9 H2
Cd3(PO4)2 + (NH4)2S = CdS + (NH4)3PO4 =>
Cd3(PO4)2 + 3(NH4)2S = 3 CdS + 2(NH4)3PO4
Mg + CuSO4 = MgSO4 + Cu4 =>
4 Mg + 4 CuSO4 = 4 MgSO4 + Cu4
Cu + H2SO4 = CuSO4 + SO2 + H2O =>
Cu + 2 H2SO4 = CuSO4 + SO2 + 2 H2O
Zn(cr) + HCl(aq) = ZnCl2(aq) + H2(g) =>
Zn(cr) + 2 HCl(aq) = ZnCl2(aq) + H2(g)
H3AsO3 + Zn + HCl = AsH3 + ZnCl2 + H2O =>
H3AsO3 + 3 Zn + 6 HCl = AsH3 + 3 ZnCl2 + 3 H2O
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
C2H5OH + KMnO4 = H2O + KCH3COO + MnO2 + KOH =>
3 C2H5OH + 4 KMnO4 = 4 H2O + 3 KCH3COO + 4 MnO2 + KOH
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
Pb(CH3COO)2 + KI = PbI2 + K(CH3COO) =>
Pb(CH3COO)2 + 2 KI = PbI2 + 2 K(CH3COO)
I2O5 + H2S = I2 + SO2 + H2O =>
3 I2O5 + 5 H2S = 3 I2 + 5 SO2 + 5 H2O
Na2O + H2SO4 = Na2SO4 + H2O =>
Na2O + H2SO4 = Na2SO4 + H2O
C2H3CL + H2O = C2H3OH + HCL =>
C2H3CL + H2O = C2H3OH + HCL
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
H2SIO3 + KOH = K2SIO3 + H2O =>
H2SIO3 + 2 KOH = K2SIO3 + 2 H2O
MnO2 + KClO3 + KOH = K2MnO4 + KCl + H2O =>
3 MnO2 + KClO3 + 6 KOH = 3 K2MnO4 + KCl + 3 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2 + F2 = HF =>
H2 + F2 = 2 HF
Ni(OH)2 + Cl2 + KOH = NiO2 + KCl + H2O =>
Ni(OH)2 + Cl2 + 2 KOH = NiO2 + 2 KCl + 2 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
FeS + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 FeS + 10 H2SO4 = Fe2(SO4)3 + 9 SO2 + 10 H2O
ZnS + O2 = ZnO + S8 =>
8 ZnS + 4 O2 = 8 ZnO + S8
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Fe(OH)3 + H2So4 = Fe2(So4)3 + H2O =>
2 Fe(OH)3 + 3 H2So4 = Fe2(So4)3 + 6 H2O
NO + Cl = NOCl =>
NO + Cl = NOCl
Br2 + H2 = HBr =>
Br2 + H2 = 2 HBr
K2S + K2MnO4 + H2O = S + MnO2 + KOH =>
K2S + K2MnO4 + 2 H2O = S + MnO2 + 4 KOH
Br2 + H2 = HBr =>
Br2 + H2 = 2 HBr
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Cl2 + H2 = HCl =>
Cl2 + H2 = 2 HCl
Br2 + H2 = HBr =>
Br2 + H2 = 2 HBr
Cu + HNO3 = Cu(NO3) + NO + H2O =>
3 Cu + 4 HNO3 = 3 Cu(NO3) + NO + 2 H2O
AG + HNO3 = AGNO3 + NO2 + H2O =>
AG + 2 HNO3 = AGNO3 + NO2 + H2O
Br2 + H2 = HBr =>
Br2 + H2 = 2 HBr
H2S + Cl2 + H2O = H2SO4 + HCl =>
H2S + 4 Cl2 + 4 H2O = H2SO4 + 8 HCl
Br2 + H2 = HBr =>
Br2 + H2 = 2 HBr
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
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