Équations équilibrées la veille | Équations équilibrées le lendemain |
FeS + 2 HCl = FeCl2 + H2S
NaOCl + H2O2 = NaClO4 + H2O =>
NaOCl + 3 H2O2 = NaClO4 + 3 H2O
C2H5Br3Zn = ZnBr2C2H5Br =>
C2H5Br3Zn = ZnBr2C2H5Br
C7H14O + O2 = CO2 + H2O =>
C7H14O + 10 O2 = 7 CO2 + 7 H2O
C6H5CCl3 + H2O = C6H5COCl + HCl =>
C6H5CCl3 + H2O = C6H5COCl + 2 HCl
ZnS = Zn + S8 =>
8 ZnS = 8 Zn + S8
Mg + HNO3 = Mg(NO3)2 + H =>
Mg + 2 HNO3 = Mg(NO3)2 + 2 H
MnO2 + H2SO4 = Mn2(SO4)3 + H2O + O2 =>
4 MnO2 + 6 H2SO4 = 2 Mn2(SO4)3 + 6 H2O + O2
C2H4 + Br2 = CH2BrCH2Br =>
C2H4 + Br2 = CH2BrCH2Br
MoO3 + CO2 = Mo(CO3)3 =>
MoO3 + 3 CO2 = Mo(CO3)3
NINH3(g) + O2(g) = NO(g) + H2O(g)IIINO2(g) + H2O(l) = HNO3(ac) + NO(g)IINO(g) + O2(g) = NO2(g)IVHNO3(ac) + NH3(g) = NH4NO3(ac) =>
12 NINH3(g) + 23 O2(g) = 20 NO(g) + 4 H2O(g)IIINO2(g) + 14 H2O(l)
KBr + Ba(OH)2 = BaBr2 + KOH =>
2 KBr + Ba(OH)2 = BaBr2 + 2 KOH
COCl2 + CH3OH = CH3OCOCl + HCl =>
COCl2 + CH3OH = CH3OCOCl + HCl
Cr(c) + Sn{4+} = Cr{3+} + Sn{2+} =>
2 Cr(c) + 3 Sn{4+} = 2 Cr{3+} + 3 Sn{2+}
CO2 + SrO = SrCO3 =>
CO2 + SrO = SrCO3
Co(IO3)3 + CaS = Ca(IO3)2 + Co2S3 =>
2 Co(IO3)3 + 3 CaS = 3 Ca(IO3)2 + Co2S3
C6H8O7 + KNO3 = CO2 + H2O + K2O + N2 =>
5 C6H8O7 + 18 KNO3 = 30 CO2 + 20 H2O + 9 K2O + 9 N2
NaHCO3 + SO2 = NaHSO4 + CO =>
NaHCO3 + SO2 = NaHSO4 + CO
KBrNaOH = NaBrKOH =>
KBrNaOH = NaBrKOH
C6H8O7 + KNO3 = CO2 + H2O + K2O + N2 =>
5 C6H8O7 + 18 KNO3 = 30 CO2 + 20 H2O + 9 K2O + 9 N2
Br2 + NH3 = NH4Br + N =>
3 Br2 + 8 NH3 = 6 NH4Br + 2 N
Zn{2+} + e = Zn =>
Zn{2+} + 2e = Zn
Sc + Cl = ScCl =>
Sc + Cl = ScCl
C6H5OH + CH3COCl + C5H5N = C6H5CH3COO + C5H6NCl =>
C6H5OH + CH3COCl + C5H5N = C6H5CH3COO + C5H6NCl
C6H8O7 + KNO3 = CO2 + H2O + K2O + N2 =>
5 C6H8O7 + 18 KNO3 = 30 CO2 + 20 H2O + 9 K2O + 9 N2
NiCl2 + H2S = NiS + H2Cl2 =>
NiCl2 + H2S = NiS + H2Cl2
N2 + Al2S3 = AlN + S =>
N2 + Al2S3 = 2 AlN + 3 S
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
SrOH2O = SrH2O2 =>
SrOH2O = SrH2O2
AgNO3 + K2CO3 = Ag2CO3 + KNO3 = CuCO3 + KNO2 =>
2 AgNO3 + K2CO3 = Ag2CO3 + 2 KNO3
Ba3P + H2SO4 = Ba3SO4 + H2P =>
Ba3P + H2SO4 = Ba3SO4 + H2P
CH3COOH + Fe = Fe(CH3COO)2 + H2 =>
2 CH3COOH + Fe = Fe(CH3COO)2 + H2
ClF3 + N2H4 = Cl2 + HF + N2 =>
4 ClF3 + 3 N2H4 = 2 Cl2 + 12 HF + 3 N2
NO3{-} + CH3OH + H{+} = N2 + H2O + CO2 =>
6 NO3{-} + 5 CH3OH + 6 H{+} = 3 N2 + 13 H2O + 5 CO2
HNO3 = N2O5H2O =>
2 HNO3 = N2O5H2O
CH4COOH + NaHCO3 = CH4HCO3 + NaCOOH =>
CH4COOH + NaHCO3 = CH4HCO3 + NaCOOH
NaHCO3 + CH3COOH = HCO3 + NaCH3COOH =>
NaHCO3 + CH3COOH = HCO3 + NaCH3COOH
CuNO3 + NH4CO3 = CuCO3 + NH4NO3 =>
CuNO3 + NH4CO3 = CuCO3 + NH4NO3
NH3NO3 + H2O = NH3O + H2NO3 =>
NH3NO3 + H2O = NH3O + H2NO3
NaNO2 + KI + H2SO4 = I2 + NO + Na2SO4 + K2SO4 + H2O =>
2 NaNO2 + 2 KI + 2 H2SO4 = I2 + 2 NO + Na2SO4 + K2SO4 + 2 H2O
K2CrO4 + KI + HCl = CrO + I2 + KCl + H2O =>
K2CrO4 + 4 KI + 6 HCl = CrO + 2 I2 + 6 KCl + 3 H2O
Fe(NO3)3 + (NH4)2CO3 = Fe2(CO3)3 + NH4NO3 =>
2 Fe(NO3)3 + 3(NH4)2CO3 = Fe2(CO3)3 + 6 NH4NO3
HgO + Zn(s) = ZnO + Hg =>
HgO + Zn(s) = ZnO + Hg
Cu + S = Cu2S =>
2 Cu + S = Cu2S
NH3 + AlCl3 = NH3AlCl + Cl2 =>
NH3 + AlCl3 = NH3AlCl + Cl2
NiO(s) + C6H14(g) = Ni(s) + CO2(g) + H2O(g) =>
19 NiO(s) + C6H14(g) = 19 Ni(s) + 6 CO2(g) + 7 H2O(g)
CuNO3 + (NH4)2CO3 = CuCO3 + (NH4)2NO3 =>
CuNO3 + (NH4)2CO3 = CuCO3 + (NH4)2NO3
Ra + H2O = Ra(OH)2 + H =>
Ra + 2 H2O = Ra(OH)2 + 2 H
NO + C = N2 + CO2 =>
2 NO + C = N2 + CO2
KOH + Ba(OH)2 = K(OH)2 + BaOH =>
KOH + Ba(OH)2 = K(OH)2 + BaOH
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