| Équations équilibrées la veille | Équations équilibrées le lendemain |
BF3(g) + 3 H2O(g) = H3BO3(s) + 3 HF(g)
NaHCO3 + CH3COOH = H2CO3 + NaCH3COO =>
NaHCO3 + CH3COOH = H2CO3 + NaCH3COO
HNO3 + HF = NO + F2 + H2O =>
2 HNO3 + 6 HF = 2 NO + 3 F2 + 4 H2O
FeCl2 + H2SO4 = FeSO4 + HCl =>
FeCl2 + H2SO4 = FeSO4 + 2 HCl
Na2S + Cu(CH3COO)2 = Na(CH3COO) + CuS =>
Na2S + Cu(CH3COO)2 = 2 Na(CH3COO) + CuS
ZnCO3(s) + HI(aq) = ZnI2 + H2CO3 =>
ZnCO3(s) + 2 HI(aq) = ZnI2 + H2CO3
C6H5OH + H2SO4 = C6H4(SO3H)OH + H2O =>
C6H5OH + H2SO4 = C6H4(SO3H)OH + H2O
Nb + C = NbC =>
Nb + C = NbC
Mg + HNO3 = Mg(NO3)2 + H2 =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
Zn + NO3{-} + H2O = NH3 + Zn(OH)4{-2} + H{+} =>
4 Zn + NO3{-} + 13 H2O = NH3 + 4 Zn(OH)4{-2} + 7 H{+}
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
NaHCO3 + HCl(aq) = NaCl(aq) + CO2(g) + H2O =>
NaHCO3 + HCl(aq) = NaCl(aq) + CO2(g) + H2O
Mn7 = Mn5 =>
5 Mn7 = 7 Mn5
HI + Ba(OH)2 = BaI2 + H2O =>
2 HI + Ba(OH)2 = BaI2 + 2 H2O
H2O + MgSO4 = H2SO4 + Mg(OH)2 =>
2 H2O + MgSO4 = H2SO4 + Mg(OH)2
V2O5(s) + H(g) = V2O3(s) + H2O =>
V2O5(s) + 4 H(g) = V2O3(s) + 2 H2O
Al(NO3)3 + K2Cr2O7 = Al2(Cr2O7)3 + KNO3 =>
2 Al(NO3)3 + 3 K2Cr2O7 = Al2(Cr2O7)3 + 6 KNO3
Cu2O + Cu2S = Cu + SO2 =>
2 Cu2O + Cu2S = 6 Cu + SO2
CrO4{2-} + S{-2} + H2O = CrO2{-} + S + OH{-} =>
2 CrO4{2-} + 3 S{-2} + 4 H2O = 2 CrO2{-} + 3 S + 8 OH{-}
NH4 + NO3 = NH4NO3 =>
NH4 + NO3 = NH4NO3
NH4{+} + H2O = NH4OH + H{+} =>
NH4{+} + H2O = NH4OH + H{+}
Na2SO4 + H2SO4 = NaHSO4 =>
Na2SO4 + H2SO4 = 2 NaHSO4
ZnCO3 = ZnO + CO2 =>
ZnCO3 = ZnO + CO2
K2SO4 + NH4 = (NH4)2SO4 + K =>
K2SO4 + 2 NH4 = (NH4)2SO4 + 2 K
Bi + I2 = BiI3 =>
2 Bi + 3 I2 = 2 BiI3
Mg + S2 = Mg3S2 =>
3 Mg + S2 = Mg3S2
MnSO4 + O2 + NaOH = Mn(O)OH + Na2SO4 + H2O =>
4 MnSO4 + O2 + 8 NaOH = 4 Mn(O)OH + 4 Na2SO4 + 2 H2O
KH2PO4 = K + H + P + O =>
KH2PO4 = K + 2 H + P + 4 O
HAsO2 + I2 + H2O = H2AsO4{-} + I{-} + H{+} =>
HAsO2 + I2 + 2 H2O = H2AsO4{-} + 2 I{-} + 3 H{+}
C2H5Br + Na = C4H10 + NaBr =>
2 C2H5Br + 2 Na = C4H10 + 2 NaBr
CH2CH2 + HCl = CH2ClCH2Cl + H2 =>
CH2CH2 + 2 HCl = CH2ClCH2Cl + H2
N + S = N2S3 =>
2 N + 3 S = N2S3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CuSO4(aq) + HCl(aq) = CuCl2(aq) + H2SO4(aq) =>
CuSO4(aq) + 2 HCl(aq) = CuCl2(aq) + H2SO4(aq)
PbCl2 + Na2CrO4 = PbCrO4 + NaCl =>
PbCl2 + Na2CrO4 = PbCrO4 + 2 NaCl
BiF3 = Bi + F2 =>
2 BiF3 = 2 Bi + 3 F2
CH3CH2Cl + NaOH = CH3CH2OH + NaCl =>
CH3CH2Cl + NaOH = CH3CH2OH + NaCl
BaCl2 + (NH4)2CO3 = BaCO3 + NH4Cl =>
BaCl2 + (NH4)2CO3 = BaCO3 + 2 NH4Cl
C7H6O3 + NaHCO3 = C7H5NaO3 + CO2 + H2O =>
C7H6O3 + NaHCO3 = C7H5NaO3 + CO2 + H2O
Fe2(SO4)3 + Ba(OH)2 = Fe(OH)3 + BaSO4 =>
Fe2(SO4)3 + 3 Ba(OH)2 = 2 Fe(OH)3 + 3 BaSO4
Si + NaOH = NaSiO + H2 =>
2 Si + 2 NaOH = 2 NaSiO + H2
Br + AlI = BrI + Al =>
Br + AlI = BrI + Al
I2(aq) + KBr(aq) = KI(aq) + Br2(aq) =>
I2(aq) + 2 KBr(aq) = 2 KI(aq) + Br2(aq)
Fe2(SO4)3 + KSCN = K3Fe(SCN)6 + K2SO4 =>
Fe2(SO4)3 + 12 KSCN = 2 K3Fe(SCN)6 + 3 K2SO4
K2CO3 + CuCl2 = KCl + CuCO3 =>
K2CO3 + CuCl2 = 2 KCl + CuCO3
K2Cr2O7 + HBr = KBr + CrBr + H2O + Br =>
K2Cr2O7 + 14 HBr = 2 KBr + 2 CrBr + 7 H2O + 10 Br
Ba3N2 + H2O = Ba(OH)2 + NH3 =>
Ba3N2 + 6 H2O = 3 Ba(OH)2 + 2 NH3
Sn + HF = SnF2 + H2 =>
Sn + 2 HF = SnF2 + H2
CoCl2(aq) + Na2S(aq) = CoS + NaCl(aq) =>
CoCl2(aq) + Na2S(aq) = CoS + 2 NaCl(aq)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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