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Cr + S2 = CrS2
KOH + H2CO3 = H2O + K2CO3 =>
2 KOH + H2CO3 = 2 H2O + K2CO3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
PbO2 + MnSO4 + HNO3 = Pb(MnO4)2 + PbSO4 + Pb(NO3)2 + H2O =>
5 PbO2 + 2 MnSO4 + 4 HNO3 = Pb(MnO4)2 + 2 PbSO4 + 2 Pb(NO3)2 + 2 H2O
H4SiO4 + Pb(OH)2 = Pb2(SiO4) + H2O =>
H4SiO4 + 2 Pb(OH)2 = Pb2(SiO4) + 4 H2O
Fe(NO2)3 + Na2S = Fe2S3 + NaNO2 =>
2 Fe(NO2)3 + 3 Na2S = Fe2S3 + 6 NaNO2
Na2SO3 + Fe(NO3)2 = FeSO3 + NaNO3 =>
Na2SO3 + Fe(NO3)2 = FeSO3 + 2 NaNO3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NH4Cl(aq) + NaOH(aq) = H2O(l) + NH3(g) + NaCl(aq) =>
NH4Cl(aq) + NaOH(aq) = H2O(l) + NH3(g) + NaCl(aq)
Al(NO3)3 = Al(NO2)3 + O2 =>
2 Al(NO3)3 = 2 Al(NO2)3 + 3 O2
ZnSO4 + H2 = Zn + H2SO4 =>
ZnSO4 + H2 = Zn + H2SO4
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
C5H12 + O2 = CO + H2O =>
2 C5H12 + 11 O2 = 10 CO + 12 H2O
SO2(OH)2 + PCl5 = SO2Cl2 + POCl3 + HCl =>
SO2(OH)2 + 2 PCl5 = SO2Cl2 + 2 POCl3 + 2 HCl
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cu2S + H2SO4 = CuSO4 + H2 + S =>
Cu2S + 2 H2SO4 = 2 CuSO4 + 2 H2 + S
H2SO4 + AI2(CO3)3 = AI2(SO4)3 + CO2 + H2O =>
3 H2SO4 + AI2(CO3)3 = AI2(SO4)3 + 3 CO2 + 3 H2O
MgCl2 + H2 = MgCl2H2 =>
MgCl2 + H2 = MgCl2H2
NaOH(at) + CaBr2(s) = Ca(OH)2(s) + NaBr(aq) =>
2 NaOH(at) + CaBr2(s) = Ca(OH)2(s) + 2 NaBr(aq)
Ba(OH)2 + HCl = BaOHCl + H2O =>
Ba(OH)2 + HCl = BaOHCl + H2O
H2S + O2 = H2O + S =>
2 H2S + O2 = 2 H2O + 2 S
N2O5 = NO2 + O2 =>
2 N2O5 = 4 NO2 + O2
H2SO4 + Ag = Ag2SO4 + H2 =>
H2SO4 + 2 Ag = Ag2SO4 + H2
H2S + O2 = H2O + S =>
2 H2S + O2 = 2 H2O + 2 S
Sr(NO3)2 + H2O = Sr + HNO3 + OH =>
Sr(NO3)2 + 2 H2O = Sr + 2 HNO3 + 2 OH
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
SCN{-} + Fe{3+} = Fe(SCN){2+} =>
SCN{-} + Fe{3+} = Fe(SCN){2+}
Bi2S3 + H{+} + NO3{-} = Bi{3+} + H2O + NO2 + S =>
Bi2S3 + 12 H{+} + 6 NO3{-} = 2 Bi{3+} + 6 H2O + 6 NO2 + 3 S
C12H22O11 + NH4OH + CH3OH = C10H15N + H2O =>
C12H22O11 + 3 NH4OH + 18 CH3OH = 3 C10H15N + 32 H2O
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
NaNO2 + H2SO4 + KI + C6H10O5 = K2SO4 + H2O + C6H10O5I2 + Na2SO4 + NO =>
2 NaNO2 + 2 H2SO4 + 2 KI + C6H10O5 = K2SO4 + 2 H2O + C6H10O5I2 + Na2SO4 + 2 NO
KC2H3O2(aq) + HCl(aq) = HC2H3O2(aq) + KCl(s) =>
KC2H3O2(aq) + HCl(aq) = HC2H3O2(aq) + KCl(s)
HC2H3O2 + NaHCO3 = NaC2H3O2 + H2CO3 =>
HC2H3O2 + NaHCO3 = NaC2H3O2 + H2CO3
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C8H8Br2 + Zn = C8H8 + ZnBr2 =>
C8H8Br2 + Zn = C8H8 + ZnBr2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
B(OH)3 + H2O = H5BO4 =>
B(OH)3 + H2O = H5BO4
AlCl3 + C5 = C5Cl + Al =>
AlCl3 + 3 C5 = 3 C5Cl + Al
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
Mg(NO3)2 + Na2C2O4 = MgC2O4 + NaNO3 =>
Mg(NO3)2 + Na2C2O4 = MgC2O4 + 2 NaNO3
CuSO4 + Na3PO4 = Cu3(PO4)2 + Na2SO4 =>
3 CuSO4 + 2 Na3PO4 = Cu3(PO4)2 + 3 Na2SO4
Ba(OH)2 + HNO3 = Ba + NO3 + H2O =>
Ba(OH)2 + 2 HNO3 = Ba + 2 NO3 + 2 H2O
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