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Hg(NO3)2 + 2 NaI = HgI2 + 2 NaNO3
Ba(OH) + HSO = BaS + HO =>
Ba(OH) + HSO = BaS + 2 HO
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
Cu + HCl = CuCl + H2 =>
2 Cu + 2 HCl = 2 CuCl + H2
Zn + H2O = ZnO + H2 =>
Zn + H2O = ZnO + H2
Zn + HCl = ZnCl + H2 =>
2 Zn + 2 HCl = 2 ZnCl + H2
Cu + AgNO2 = CuNO2 + Ag =>
Cu + AgNO2 = CuNO2 + Ag
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Fe{3+} + I{-} = Fe{2+} + I2 =>
2 Fe{3+} + 2 I{-} = 2 Fe{2+} + I2
NaHCO3 + Ca(OH2) = CaCO3 + NaH(OH2) =>
NaHCO3 + Ca(OH2) = CaCO3 + NaH(OH2)
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
NH3 + Cu(NO3)2 = Cu(NH3)4(NO3)2 =>
4 NH3 + Cu(NO3)2 = Cu(NH3)4(NO3)2
H2SO4 + Al(OH)3 = Al2(SO4)3 + H2O =>
3 H2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 H2O
Fe(NO3)3 + NaOH = Fe(OH)3 + NaNO3 =>
Fe(NO3)3 + 3 NaOH = Fe(OH)3 + 3 NaNO3
Fe(NO3)3 + NaCO3 = Fe(CO3)3 + NaNO3 =>
Fe(NO3)3 + 3 NaCO3 = Fe(CO3)3 + 3 NaNO3
CH3COOH + H2O = CH3COO + H3O =>
CH3COOH + H2O = CH3COO + H3O
CH3CH2Br + AgNO3 = CH3CH2ONO2 + AgBr =>
CH3CH2Br + AgNO3 = CH3CH2ONO2 + AgBr
C2H5 + O2 = CO2 + H2O =>
4 C2H5 + 13 O2 = 8 CO2 + 10 H2O
MgCl2 + AgNO3 = AgCl + Mg(NO3)2 =>
MgCl2 + 2 AgNO3 = 2 AgCl + Mg(NO3)2
SO4 + BaCl = BaSO4 + Cl =>
SO4 + BaCl = BaSO4 + Cl
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
CH3COOAg + HNO3 = CH3COOH + AgNO3 =>
CH3COOAg + HNO3 = CH3COOH + AgNO3
H2CO3 + Mg(OH)2 = MgCO3 + H2O =>
H2CO3 + Mg(OH)2 = MgCO3 + 2 H2O
H3PO4 + KOH = K3PO4 + H2O =>
H3PO4 + 3 KOH = K3PO4 + 3 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
P3 + Cl2 = PCl3 =>
2 P3 + 9 Cl2 = 6 PCl3
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO
KBr + Cl2 = KCl + Br2 =>
2 KBr + Cl2 = 2 KCl + Br2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
H2S + O2 = H20 + SO2 =>
10 H2S + 10 O2 = H20 + 10 SO2
H2S + O2 = H2O + SO2 =>
2 H2S + 3 O2 = 2 H2O + 2 SO2
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
C + O2 = CO2 =>
C + O2 = CO2
S + O2 = SO2 =>
S + O2 = SO2
K + O2 = KO2 =>
K + O2 = KO2
CaCl2 + NaOH = NaCl + Ca(OH)2 =>
CaCl2 + 2 NaOH = 2 NaCl + Ca(OH)2
Fe2O3 = Fe + O2 =>
2 Fe2O3 = 4 Fe + 3 O2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
CuF2 + H2SO4 = CuSO4 + HF =>
CuF2 + H2SO4 = CuSO4 + 2 HF
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