| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Cr(s) + 3 Fe(NO3)2(aq) = 3 Fe(s) + 2 Cr(NO3)3(aq)
AlCl3 + NaOH = NaCl + Al + HO =>
AlCl3 + 3 NaOH = 3 NaCl + Al + 3 HO
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3* =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3*
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
FeOH + H3PO4 = Fe3PO4 + H2O =>
3 FeOH + H3PO4 = Fe3PO4 + 3 H2O
KMnO4 + C2H6O + H2SO4 = C2H4O2 + MnSO4 + H2O + K2SO4 =>
4 KMnO4 + 5 C2H6O + 6 H2SO4 = 5 C2H4O2 + 4 MnSO4 + 11 H2O + 2 K2SO4
C2H6 + HBr = C2H4Br2 + H2 =>
C2H6 + 2 HBr = C2H4Br2 + 2 H2
Ca(OH)2 + H2SO3 = Ca(HSO3)2 + H2O =>
Ca(OH)2 + 2 H2SO3 = Ca(HSO3)2 + 2 H2O
MnO4{-} + OH{-} + S2O5{2-} = MnO2 + SO4{2-} + H2O =>
4 MnO4{-} + 2 OH{-} + 3 S2O5{2-} = 4 MnO2 + 6 SO4{2-} + H2O
H2O + NaNO3 = HNO3 + NaOH =>
H2O + NaNO3 = HNO3 + NaOH
HSO = SHO =>
HSO = SHO
NaCHO3HC2H3O2 = NaC2H3O2H2OCO2 =>
NaCHO3HC2H3O2 = NaC2H3O2H2OCO2
CrO3 + C = Cr + CO2 =>
2 CrO3 + 3 C = 2 Cr + 3 CO2
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
N + H2 = NH3 =>
2 N + 3 H2 = 2 NH3
BaCrBr = CrBaBr =>
BaCrBr = CrBaBr
CSOH(aq)HI(aq) = CSIH2O =>
CSOH(aq)HI(aq) = CSIH2O
NaCl + HgO + H2O = HgCl2 + NaOH =>
2 NaCl + HgO + H2O = HgCl2 + 2 NaOH
K2Cr2O7(s) = K2CrO4(s) + Cr2O3(s) + O2(g) =>
4 K2Cr2O7(s) = 4 K2CrO4(s) + 2 Cr2O3(s) + 3 O2(g)
FeCl3 + (NaOH) = Fe(OH)3 + NaCl =>
FeCl3 + 3(NaOH) = Fe(OH)3 + 3 NaCl
KMnO4 + H2C2O4 + H2SO4 = MnSO4 + K2SO4 + CO2 + H2O =>
2 KMnO4 + 5 H2C2O4 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 10 CO2 + 8 H2O
AlKSCN = AlCNKS =>
AlKSCN = AlCNKS
(NH4)H(CO3) = NH3H2OCO2 =>
(NH4)H(CO3) = NH3H2OCO2
NbSb2NbCo2 = NbCoSb =>
NbSb2NbCo2 = 2 NbCoSb
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3* =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3*
CaC2O4 + KMnO4 + H2SO4 = CaSO4 + H2O + K2SO4 + MnSO4 + CO2 =>
5 CaC2O4 + 2 KMnO4 + 8 H2SO4 = 5 CaSO4 + 8 H2O + K2SO4 + 2 MnSO4 + 10 CO2
P4(s) + S8(s) = P4S10(s) =>
4 P4(s) + 5 S8(s) = 4 P4S10(s)
Ba(OH)2 + Cu(OH)2 = Ba2[Cu(OH)6] =>
2 Ba(OH)2 + Cu(OH)2 = Ba2[Cu(OH)6]
Na2CO3(s) + HCl(aq) = NaCl + CO2 + H2O =>
Na2CO3(s) + 2 HCl(aq) = 2 NaCl + CO2 + H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CuOHOAc = HOCuOAc =>
CuOHOAc = HOCuOAc
CrCl3 + NaClO2 + NaOH = Na2CrO4 + NaCl + HClO3 =>
2 CrCl3 + 9 NaClO2 + 5 NaOH = 2 Na2CrO4 + 10 NaCl + 5 HClO3
(C6H4)2CH2O2 = (C6H4)2COH2O =>
(C6H4)2CH2O2 = (C6H4)2COH2O
CrNZnCl = CrClNZn =>
CrNZnCl = CrClNZn
C9H8O9 + O2 = CO2 + H2O =>
2 C9H8O9 + 13 O2 = 18 CO2 + 8 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
CoCl2 + Na2O2 + H2O = Co(OH)3 + Cl + Na =>
4 CoCl2 + 3 Na2O2 + 6 H2O = 4 Co(OH)3 + 8 Cl + 6 Na
FeHgS = FeS*Hg =>
FeHgS = FeS*Hg
(NH4)2SO4CaBr = Ca(NH4)2BrSO4 =>
(NH4)2SO4CaBr = Ca(NH4)2BrSO4
CaSiO3H2O = H2SiO3CaO =>
CaSiO3H2O = H2SiO3CaO
NaNO2 + NaBr + H2SO4 = NO + Br2 + Na2SO4 + H2O =>
2 NaNO2 + 2 NaBr + 2 H2SO4 = 2 NO + Br2 + 2 Na2SO4 + 2 H2O
C2H5OH + O2(g) = CO2(g) + H2O(g) =>
C2H5OH + 3 O2(g) = 2 CO2(g) + 3 H2O(g)
Ca(OH)2 + Na2HPO4 = CaHPO4 + NaOH =>
Ca(OH)2 + Na2HPO4 = CaHPO4 + 2 NaOH
Li5N2K4O = Li10O2K8N4 =>
2 Li5N2K4O = Li10O2K8N4
CaCo3 + AgNo3 = CaNo3 + AgCo3 =>
CaCo3 + AgNo3 = CaNo3 + AgCo3
Al + Li2CO3 = Li + Al2(CO3)3 =>
2 Al + 3 Li2CO3 = 6 Li + Al2(CO3)3
Fe + HNO3 = Fe(NO3)3 + NO2*H2O =>
Fe + 6 HNO3 = Fe(NO3)3 + 3 NO2*H2O
Cr + H2O = CrOH2 =>
Cr + H2O = CrOH2
ZnO + HCl = H2O + ZnCl2 =>
ZnO + 2 HCl = H2O + ZnCl2
Al + PbCl2 = Al2(Cl2)3 + Pb =>
2 Al + 3 PbCl2 = Al2(Cl2)3 + 3 Pb
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur04/23/24
Équations équilibrées sur05/23/23
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