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Na2S + 2 HI = 2 NaI + H2S
Al + AgNO3 = Al(NO3)3 + Ag =>
Al + 3 AgNO3 = Al(NO3)3 + 3 Ag
CaO(s) + H2O(l) = Ca(OH)2(aq) =>
CaO(s) + H2O(l) = Ca(OH)2(aq)
HF + Fe(OH)3 = H2O + FeF3 =>
3 HF + Fe(OH)3 = 3 H2O + FeF3
Zn2 + NaOH = Na2ZnO2 + H =>
Zn2 + 4 NaOH = 2 Na2ZnO2 + 4 H
Fe3O4 + CO = CO2 + Fe =>
Fe3O4 + 4 CO = 4 CO2 + 3 Fe
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
AgNO3 + BaCl2 = AgCl + Ba(NO3)2 =>
2 AgNO3 + BaCl2 = 2 AgCl + Ba(NO3)2
HF + NaOH = NaF + H2O =>
HF + NaOH = NaF + H2O
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
KHC8H4O4 + NaOH = KOH + NaHC8H4O4 =>
KHC8H4O4 + NaOH = KOH + NaHC8H4O4
OsO4 + HCl = H2OsCl6 + Cl2 + H2O =>
OsO4 + 10 HCl = H2OsCl6 + 2 Cl2 + 4 H2O
C9H8O4 + NaOH = C9H7O4Na + H2O =>
C9H8O4 + NaOH = C9H7O4Na + H2O
Ag(NO3) + Cu = Cu(NO3)2 + Ag =>
2 Ag(NO3) + Cu = Cu(NO3)2 + 2 Ag
NH3 + O2 + CH4 = HCN + H2O =>
2 NH3 + 3 O2 + 2 CH4 = 2 HCN + 6 H2O
MgCl2 + (NH4)3PO4 = Mg3(PO4)2 + NH4Cl =>
3 MgCl2 + 2(NH4)3PO4 = Mg3(PO4)2 + 6 NH4Cl
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
CuO + H3PO4 = Cu3(PO4)2 + H2O =>
3 CuO + 2 H3PO4 = Cu3(PO4)2 + 3 H2O
ZnO + HCl = ZnCl2 + H2O =>
ZnO + 2 HCl = ZnCl2 + H2O
CuO + H3PO4 = Cu3(PO4)2 + H2O =>
3 CuO + 2 H3PO4 = Cu3(PO4)2 + 3 H2O
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Li(HO) + HNO2 = Li(NO2) + H2O =>
Li(HO) + HNO2 = Li(NO2) + H2O
Al + Fe3O4 = Al2O3 + Fe =>
8 Al + 3 Fe3O4 = 4 Al2O3 + 9 Fe
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
PCl5 + H2O = POCl3 + HCl =>
PCl5 + H2O = POCl3 + 2 HCl
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Ca(OH)2 + NaOH + ClO2 + C = NaClO2 + CaCO3 + H2O =>
Ca(OH)2 + 4 NaOH + 4 ClO2 + C = 4 NaClO2 + CaCO3 + 3 H2O
Al + CuO = Al2O3 + Cu =>
2 Al + 3 CuO = Al2O3 + 3 Cu
C7H6O + Cu{2+} + OH{-} = C7H5O2{-} + Cu2O + H2O =>
C7H6O + 2 Cu{2+} + 5 OH{-} = C7H5O2{-} + Cu2O + 3 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
FeSO4 + KCl = FeCl2 + K2SO4 =>
FeSO4 + 2 KCl = FeCl2 + K2SO4
H2SO + Fe = H2 + FeSO =>
H2SO + Fe = H2 + FeSO
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NH4 + Cl = NH4Cl =>
NH4 + Cl = NH4Cl
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
Na2SiO3 + HF = H2SiF6 + NaF + H2O =>
Na2SiO3 + 8 HF = H2SiF6 + 2 NaF + 3 H2O
N2H4 + HClO3 = HCl + HNO3 + H20 =>
10 N2H4 + 20 HClO3 = 20 HCl + 20 HNO3 + H20
NH4I + Cl2 = NH4Cl + I2 =>
2 NH4I + Cl2 = 2 NH4Cl + I2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
C4H9OCl + CrO3 + H{+} = C4H7O2Cl + Cr{3+} + H2O =>
3 C4H9OCl + 4 CrO3 + 12 H{+} = 3 C4H7O2Cl + 4 Cr{3+} + 9 H2O
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