| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 HNO2 + 2 Ag = 2 Ag(NO2) + H2
Cr(OH)3 + Ag2O = Ag + CrO4 + H2O =>
2 Cr(OH)3 + 5 Ag2O = 10 Ag + 2 CrO4 + 3 H2O
Mg(OH)2 + H2Cr2O7 = MgCrO4 + H2O =>
2 Mg(OH)2 + H2Cr2O7 = 2 MgCrO4 + 3 H2O
Ag + H2SeO4 = Ag2(SeO4) + SeO2 + H2O =>
2 Ag + 2 H2SeO4 = Ag2(SeO4) + SeO2 + 2 H2O
C6H10 + H2O + KMnO4 = MnO2 + KOH + C2H2(OH2) =>
3 C6H10 + 5 H2O + 4 KMnO4 = 4 MnO2 + 4 KOH + 9 C2H2(OH2)
Mg + Cu(NO3)2 = Mg(NO3)2 + Cu =>
Mg + Cu(NO3)2 = Mg(NO3)2 + Cu
PbS + O = PbSO3 =>
PbS + 3 O = PbSO3
Hg + KI + HI = K2(HgI4) + H2 =>
Hg + 2 KI + 2 HI = K2(HgI4) + H2
Cr2O7{2-} + C2H5OH + H2SO4 = {-} + Cr2(SO4)3 + CH3COOH + H2O =>
Cr2O7{2-} + 2 C2H5OH + 3 H2SO4 = 2e + Cr2(SO4)3 + 2 CH3COOH + 5 H2O
CH2N4O + O2 = CO2 + H2O + NO2 =>
CH2N4O + 5 O2 = CO2 + H2O + 4 NO2
NH3 + Cr(NO3)3 = Cr(NH3)6(NO3)3 =>
6 NH3 + Cr(NO3)3 = Cr(NH3)6(NO3)3
HCN + HS{-} = CN{-} + H2S =>
HCN + HS{-} = CN{-} + H2S
SrSO4 + H2 = SrO + H2O + H2S =>
SrSO4 + 4 H2 = SrO + 3 H2O + H2S
HCl + Fe = FeCl4 + H5 =>
20 HCl + 5 Fe = 5 FeCl4 + 4 H5
CO2 + H2O = C3H70H + O2 =>
12 CO2 + 142 H2O = 4 C3H70H + 83 O2
Cl + NaI = Na + Cl2I2 =>
2 Cl + 2 NaI = 2 Na + Cl2I2
HC2H2CIO2 = H + C2H2CIO2 =>
HC2H2CIO2 = H + C2H2CIO2
FeO + I2O7 = Fe(IO4)2 =>
FeO + I2O7 = Fe(IO4)2
Mg(NO3)2 + NH3 + H2O = Mg + NH4NO3 =>
4 Mg(NO3)2 + 10 NH3 + 3 H2O = 4 Mg + 9 NH4NO3
CrCl3 + Ca(OH)2 = CaCl2 + Cr(OH)3 =>
2 CrCl3 + 3 Ca(OH)2 = 3 CaCl2 + 2 Cr(OH)3
NaNO2 + KIO3 = NaIO3 + KNO2 =>
NaNO2 + KIO3 = NaIO3 + KNO2
K2Cr2O7 + HCl = K + Cr + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 K + 2 Cr + 7 H2O + 7 Cl2
Cr2O3 + NaCO3 + KNO3 = Na2CrO5 + KNO2 + CO2 =>
Cr2O3 + 4 NaCO3 + 3 KNO3 = 2 Na2CrO5 + 3 KNO2 + 4 CO2
H218O = H2 + H2O =>
H218O = 108 H2 + H2O
S + HCl = H2 + SCl =>
2 S + 2 HCl = H2 + 2 SCl
HCHClCO2 + NaOH = NaCHClCO2 + H2O =>
HCHClCO2 + NaOH = NaCHClCO2 + H2O
W(OH)4 + HNO3 = W(NO3)4 + H2O =>
W(OH)4 + 4 HNO3 = W(NO3)4 + 4 H2O
OO = O2 =>
OO = O2
H2S + CUO = H2O + CUS =>
H2S + CUO = H2O + CUS
O3 + A = OA4 =>
O3 + 12 A = 3 OA4
Ca(OH)2 + HF = CaH + F(OH)2 =>
Ca(OH)2 + HF = CaH + F(OH)2
NaCl + I2 + H2O = HCl + NaIO4 + NaI =>
8 NaCl + 4 I2 + 4 H2O = 8 HCl + NaIO4 + 7 NaI
Na(HCO3) + CH3COOH = CO2 + CH3COONa + H2O =>
Na(HCO3) + CH3COOH = CO2 + CH3COONa + H2O
P2S3 + HIO3 + H2O = H3PO4 + S + HI =>
3 P2S3 + 5 HIO3 + 9 H2O = 6 H3PO4 + 9 S + 5 HI
C3H7COOH + Ca(OH)2 = (C3H7COO)2Ca + H2O =>
2 C3H7COOH + Ca(OH)2 = (C3H7COO)2Ca + 2 H2O
NaI + FeCl3 + H2O = Fe(OH)3 + NaCl + HI =>
3 NaI + FeCl3 + 3 H2O = Fe(OH)3 + 3 NaCl + 3 HI
Na2C2O4 + Pb(NO3)2 = PbC2O4 + NaNO3 =>
Na2C2O4 + Pb(NO3)2 = PbC2O4 + 2 NaNO3
C6H5NH2 + NaNO2 + HCl = C6H5N2Cl + NaCl + H2O =>
C6H5NH2 + NaNO2 + 2 HCl = C6H5N2Cl + NaCl + 2 H2O
NaClO3 = NaCl + O2(q) =>
2 NaClO3 = 2 NaCl + 3 O2(q)
SrCl2 + Na2SO4 = SrSO4 + NaCl =>
SrCl2 + Na2SO4 = SrSO4 + 2 NaCl
KMnO4 + Na2S2O3 + HCl = MnCl2 + KCl + Na2SO4 + H2SO4 + H2O =>
8 KMnO4 + 5 Na2S2O3 + 24 HCl = 8 MnCl2 + 8 KCl + 5 Na2SO4 + 5 H2SO4 + 7 H2O
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
CH2CHCHCH2 + Br2 = CH2(Br)CHCHCH2(Br) =>
CH2CHCHCH2 + Br2 = CH2(Br)CHCHCH2(Br)
H2S + HNO4 = H2SO4 + NO2 + H2O =>
3 H2S + 8 HNO4 = 3 H2SO4 + 8 NO2 + 4 H2O
Ba{+2} + I{-} = Ba + I =>
Ba{+2} + 2 I{-} = Ba + 2 I
NH3 + B2H6 = B3N3H6 + H2 =>
6 NH3 + 3 B2H6 = 2 B3N3H6 + 12 H2
AgCO3 = Ag2O + CO2 + O2 =>
4 AgCO3 = 2 Ag2O + 4 CO2 + O2
KF + HBr = HF + KBr =>
KF + HBr = HF + KBr
Na2SiO3 + HCl = SiO2 + H2O + NaCl =>
Na2SiO3 + 2 HCl = SiO2 + H2O + 2 NaCl
K2SO4(aq) + H2O(l) = H2SO4(aq) + KOH(aq) =>
K2SO4(aq) + 2 H2O(l) = H2SO4(aq) + 2 KOH(aq)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/10/25
Équations équilibrées sur02/09/24
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