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Cu + 4 HNO3 = Cu(NO3)2 + 2 H2O + 2 NO2
NaCH3COO + HCl = NaCl + HCH3COO =>
NaCH3COO + HCl = NaCl + HCH3COO
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
MnCl4 + H2O = MnO2 + HCl =>
MnCl4 + 2 H2O = MnO2 + 4 HCl
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Al + H2SO4 = H2 + Al2(SO4)3 =>
2 Al + 3 H2SO4 = 3 H2 + Al2(SO4)3
C2H3Br3 + O2 = CO + H2O + Br2 =>
4 C2H3Br3 + 7 O2 = 8 CO + 6 H2O + 6 Br2
NO2{-} + SO3{2-} + H{+} = NO + SO4{2-} + H2O =>
2 NO2{-} + SO3{2-} + 2 H{+} = 2 NO + SO4{2-} + H2O
Ca(OH)2 + CH3COOH = Ca(CH3COO)2 + H2O =>
Ca(OH)2 + 2 CH3COOH = Ca(CH3COO)2 + 2 H2O
P2 + Br2 = PBr =>
P2 + Br2 = 2 PBr
MnO2 + H2SO4 = Mn2(SO4)3 + H2O + O2 =>
4 MnO2 + 6 H2SO4 = 2 Mn2(SO4)3 + 6 H2O + O2
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C2H5OH + O2 = CO + H2O =>
C2H5OH + 2 O2 = 2 CO + 3 H2O
MnO2 + FeSO4 + H2SO4 = MnSO4 + H2O + Fe2(SO4)3 =>
MnO2 + 2 FeSO4 + 2 H2SO4 = MnSO4 + 2 H2O + Fe2(SO4)3
CH3COOH + Na2CO3 = CH3COONa + H20 + CO2 =>
25 CH3COOH + 10 Na2CO3 = 20 CH3COONa + 2 H20 + 20 CO2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
K2MnO4 + Cl2 = KMnO4 + KCl =>
2 K2MnO4 + Cl2 = 2 KMnO4 + 2 KCl
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
CH3COOH + Na2CO3 = CH3COONa + H2O + CO2 =>
2 CH3COOH + Na2CO3 = 2 CH3COONa + H2O + CO2
MnO4{-} + I{-} + H{+} = Mn{2+} + I2 + H2O =>
2 MnO4{-} + 10 I{-} + 16 H{+} = 2 Mn{2+} + 5 I2 + 8 H2O
Zn(OH)2 + NH4OH = [Zn(NH3)4](OH)2 + H2O =>
Zn(OH)2 + 4 NH4OH = [Zn(NH3)4](OH)2 + 4 H2O
CH3SH + O2 = CO2 + H2O + SO2 =>
CH3SH + 3 O2 = CO2 + 2 H2O + SO2
N2H4 = N2 + NH3 =>
3 N2H4 = N2 + 4 NH3
Zn(OH)2 + NH4OH = [Zn(NH3)4](OH)2 + H2O =>
Zn(OH)2 + 4 NH4OH = [Zn(NH3)4](OH)2 + 4 H2O
AgNO3 + Cu = Cu(NO3)2 + Ag =>
2 AgNO3 + Cu = Cu(NO3)2 + 2 Ag
ClO3{-} + Fe{2+} + H{+} = Cl{-} + Fe{3+} + H2O =>
ClO3{-} + 6 Fe{2+} + 6 H{+} = Cl{-} + 6 Fe{3+} + 3 H2O
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
HNO3 + Ca(OH)2 = Ca(NO3)2 + H2O =>
2 HNO3 + Ca(OH)2 = Ca(NO3)2 + 2 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
KIO3 + KI + H2SO4 = K2SO4 + H2O + I2 =>
KIO3 + 5 KI + 3 H2SO4 = 3 K2SO4 + 3 H2O + 3 I2
BaCl2 + Na2CrO4 = BaCrO4 + NaCl =>
BaCl2 + Na2CrO4 = BaCrO4 + 2 NaCl
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
NH3 + CuO = Cu + H2O + N2 =>
2 NH3 + 3 CuO = 3 Cu + 3 H2O + N2
S + NaOH = Na2S + NaSO3 + H2O =>
7 S + 12 NaOH = 5 Na2S + 2 NaSO3 + 6 H2O
Na2(CO3) + Fe(NO3)3 = Fe2(CO3)3 + Na(NO3) =>
3 Na2(CO3) + 2 Fe(NO3)3 = Fe2(CO3)3 + 6 Na(NO3)
C4H8 + KMnO4 + H2O = C4H8(OH)2 + KOH + MnO2 =>
3 C4H8 + 2 KMnO4 + 4 H2O = 3 C4H8(OH)2 + 2 KOH + 2 MnO2
NaNO3 + PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
H2O2 = H2O + O =>
H2O2 = H2O + O
Fe{3+} + SO2 + H2O = Fe{2+} + SO4{2-} + H{+} =>
2 Fe{3+} + SO2 + 2 H2O = 2 Fe{2+} + SO4{2-} + 4 H{+}
H2O2 = H2O + O =>
H2O2 = H2O + O
AgI + Fe2(CO3)3 = FeI3 + Ag2CO3 =>
6 AgI + Fe2(CO3)3 = 2 FeI3 + 3 Ag2CO3
NaHCO3 + H2SO4 = CO2 + H2O + Na2SO4 =>
2 NaHCO3 + H2SO4 = 2 CO2 + 2 H2O + Na2SO4
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
K3PO4 + Fe(NO3)2 = Fe3(PO4)2 + KNO3 =>
2 K3PO4 + 3 Fe(NO3)2 = Fe3(PO4)2 + 6 KNO3
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
CS2 + Cl2 = CCl4 + S2Cl2 =>
CS2 + 3 Cl2 = CCl4 + S2Cl2
C2H4O2 + O2 = CO2 + H20 =>
5 C2H4O2 + 5 O2 = 10 CO2 + H20
Fe2(SO4)3 + NaOH = Fe(OH)3 + Na2SO4 =>
Fe2(SO4)3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2SO4
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