| Équations équilibrées la veille | Équations équilibrées le lendemain |
BaCO3 + HBr = HCO3 + BaBr
KNO2 + KCrO43 + HNO3 = KNO3 + Cr(NO3)3 + H2O =>
41 KNO2 + KCrO43 + 4 HNO3 = 42 KNO3 + Cr(NO3)3 + 2 H2O
Mg + HCl + O2 = MgCl2 + H2O =>
2 Mg + 4 HCl + O2 = 2 MgCl2 + 2 H2O
KCl(aq) + CaS(aq) = KS + CaCl =>
KCl(aq) + CaS(aq) = KS + CaCl
AsCl3(l) + H2O(l) = H3AsO3(aq) + HCl(g) =>
AsCl3(l) + 3 H2O(l) = H3AsO3(aq) + 3 HCl(g)
Co + ZnBr = CoBr2 + Zn =>
Co + 2 ZnBr = CoBr2 + 2 Zn
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
K3PO4 + Cu(NO3)2 = CuPO4 + K3(NO3)2 =>
K3PO4 + Cu(NO3)2 = CuPO4 + K3(NO3)2
SF5Cl = S + F2 + Cl =>
2 SF5Cl = 2 S + 5 F2 + 2 Cl
Cr2O3 + CO = Cr + CO2 =>
Cr2O3 + 3 CO = 2 Cr + 3 CO2
PbCO3 + HCl = PbCl2 + H2CO3 =>
PbCO3 + 2 HCl = PbCl2 + H2CO3
Na2SO4 + BaCl2 + HCl = NaCl2 + BaSO4 + H2 =>
Na2SO4 + BaCl2 + 2 HCl = 2 NaCl2 + BaSO4 + H2
BaCl + CaSO4 = CaCl + BaSO4 =>
BaCl + CaSO4 = CaCl + BaSO4
MgCl2 + AgNO3 = AgCl + Mg(NO3)2 =>
MgCl2 + 2 AgNO3 = 2 AgCl + Mg(NO3)2
Na2S + Pb(CH3CO2)2 = PbS + NaCH3CO2 =>
Na2S + Pb(CH3CO2)2 = PbS + 2 NaCH3CO2
Ba(OH)2 + CO2 = BaCO3 + H2O =>
Ba(OH)2 + CO2 = BaCO3 + H2O
Ca(OH)2 + Ni(NO3)2 = Ni(OH)2 + Ca(NO3)2 =>
Ca(OH)2 + Ni(NO3)2 = Ni(OH)2 + Ca(NO3)2
C2H5Cl + CH3MgCl = C3H8 + MgCl2 =>
C2H5Cl + CH3MgCl = C3H8 + MgCl2
H2SO4 + LiOH = H2O + LiHSO4 =>
H2SO4 + LiOH = H2O + LiHSO4
Ni + HCl = NiCl2 + H2 = =>
Ni + 2 HCl = NiCl2 + H2
CH3CH3 + Cl2 = CH3CH(Cl) + HCl =>
2 CH3CH3 + 3 Cl2 = 2 CH3CH(Cl) + 4 HCl
Na3PO4 + HgCl2 = Hg3(PO4)2 + NaCl =>
2 Na3PO4 + 3 HgCl2 = Hg3(PO4)2 + 6 NaCl
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HF + NaNH2 = HNH2 + NaF =>
HF + NaNH2 = HNH2 + NaF
AlO(OH) + SiO2 = Al2SiO5 + H2O =>
2 AlO(OH) + SiO2 = Al2SiO5 + H2O
K + HSO3 = KSO3 + H2 =>
2 K + 2 HSO3 = 2 KSO3 + H2
SiF4 + H2O = H4SiO4 + H2SiF6 =>
3 SiF4 + 4 H2O = H4SiO4 + 2 H2SiF6
C5H10O(l) + O2(g) = CO2(g) + H2O =>
C5H10O(l) + 7 O2(g) = 5 CO2(g) + 5 H2O
La + NaOH = La(OH)3 + Na =>
La + 3 NaOH = La(OH)3 + 3 Na
FeCl3 + Fe = FeCl =>
FeCl3 + 2 Fe = 3 FeCl
CO2(g) + NH3(aq) + H2O(l) = NH4HCO3(aq) =>
CO2(g) + NH3(aq) + H2O(l) = NH4HCO3(aq)
CdSO4 + HCl = CdCl2 + H2SO4 =>
CdSO4 + 2 HCl = CdCl2 + H2SO4
Mg + HL = MgL2 + H2 =>
Mg + 2 HL = MgL2 + H2
XeF4 + H2 = Xe + HF =>
XeF4 + 2 H2 = Xe + 4 HF
C6H4(OH)COOH + O2 = CO + H2O =>
2 C6H4(OH)COOH + 7 O2 = 14 CO + 6 H2O
HBrO2 + Cu(OH)2 = Cu(BrO2)2 + H2O =>
2 HBrO2 + Cu(OH)2 = Cu(BrO2)2 + 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
HCl + Na2CO3 = CO2 + H2O + NaCl =>
2 HCl + Na2CO3 = CO2 + H2O + 2 NaCl
HCl(ac) + Mg(OH)2(ac) = MgCl2(ac) + H2O(l) =>
2 HCl(ac) + Mg(OH)2(ac) = MgCl2(ac) + 2 H2O(l)
NaNo3 + AgBr = NaBr + AgNo3 =>
NaNo3 + AgBr = NaBr + AgNo3
C2H5NH2 + NaNO2 + HCl = C2H5OH + N2 + NaCl + H2O =>
C2H5NH2 + NaNO2 + HCl = C2H5OH + N2 + NaCl + H2O
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
Ca(OH)2 + C20H14O4 = C2H3O2 + CaOH =>
16 Ca(OH)2 + C20H14O4 = 10 C2H3O2 + 16 CaOH
H3O{+} + S2O3{-2} = S + HSO3{-} + H2O =>
H3O{+} + S2O3{-2} = S + HSO3{-} + H2O
Ni(NO3)2 + (NH4)2CO3 = NiCO3 + NH4NO3 =>
Ni(NO3)2 + (NH4)2CO3 = NiCO3 + 2 NH4NO3
C6H5C3H7 + KMnO4 = C6H5COOH + KOH + MnO2 + H2O =>
7 C6H5C3H7 + 22 KMnO4 = 9 C6H5COOH + 22 KOH + 22 MnO2 + 4 H2O
KOH + FeCl2 = Fe(OH)2 + KCl =>
2 KOH + FeCl2 = Fe(OH)2 + 2 KCl
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
K2CO3 + MgF2 = MgCO3 + KF =>
K2CO3 + MgF2 = MgCO3 + 2 KF
NH3 + H2SO3 = NH3SO3 + H2 =>
NH3 + H2SO3 = NH3SO3 + H2
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Équations équilibrées sur10/20/24
Équations équilibrées sur11/19/23
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