| Équations équilibrées la veille |
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
CuSO4 + Fe + H2O + O2 = CuFe3O5 + H2SO4 =>
CuSO4 + 3 Fe + H2O + 2 O2 = CuFe3O5 + H2SO4
C7H3O3 + C4H6O3 = C9H8O4 + C2H3O4 =>
55 C7H3O3 + 89 C4H6O3 = 75 C9H8O4 + 33 C2H3O4
PbOH + NaOH = NaPbO + H2O =>
PbOH + NaOH = NaPbO + H2O
C2H6 + Br2 = C6H5Br + HBr =>
3 C2H6 + 7 Br2 = C6H5Br + 13 HBr
ZnSO4BaCl2 = BaSO4 + ZnCl2 =>
ZnSO4BaCl2 = BaSO4 + ZnCl2
U + H2CO3 = UHCO3 + H2 =>
2 U + 2 H2CO3 = 2 UHCO3 + H2
C6H13COOH + O2 = CO2 + H2O =>
2 C6H13COOH + 19 O2 = 14 CO2 + 14 H2O
Fe + Pb(No3)3 = Fe(No3)3 + Pb =>
Fe + Pb(No3)3 = Fe(No3)3 + Pb
Rb + S8 = Rb2S =>
16 Rb + S8 = 8 Rb2S
Fe + L2 = FeL2 =>
Fe + L2 = FeL2
Mg + H2O(g) = Mg(OH)2 + H2 =>
Mg + 2 H2O(g) = Mg(OH)2 + H2
Al(NO3)3 + C2H5NO2 = Al2O3 + CO2 + H2O + N2 =>
6 Al(NO3)3 + 10 C2H5NO2 = 3 Al2O3 + 20 CO2 + 25 H2O + 14 N2
HOH + Mg3N2 = Mg(OH)2 + H3N =>
6 HOH + Mg3N2 = 3 Mg(OH)2 + 2 H3N
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
C10H7N3S + NaClO = CO2 + H2O + NO3 + SO4 + Cl + Na =>
2 C10H7N3S + 73 NaClO = 20 CO2 + 7 H2O + 6 NO3 + 2 SO4 + 73 Cl + 73 Na
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
CH3CHO + KMnO4 + KOH = CH3COOH + K2MnO4 + H2O =>
CH3CHO + 2 KMnO4 + 2 KOH = CH3COOH + 2 K2MnO4 + H2O
AgNO3 + C2H2O4 = AgC2O4 + NO2 + H2O =>
AgNO3 + C2H2O4 = AgC2O4 + NO2 + H2O
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Na2B4O7(aq) + H2O(l) = NaB(OH)4(aq) + H3BO3(aq) =>
Na2B4O7(aq) + 7 H2O(l) = 2 NaB(OH)4(aq) + 2 H3BO3(aq)
PtCl4 + Cl2 = PtCl87 =>
2 PtCl4 + 83 Cl2 = 2 PtCl87
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
OH{-} + H2CO + Ag{+} = HCOO{-} + Ag + H2O =>
3 OH{-} + H2CO + 2 Ag{+} = HCOO{-} + 2 Ag + 2 H2O
H2SO4 + CsF = HF + Cs2SO4 =>
H2SO4 + 2 CsF = 2 HF + Cs2SO4
OH + C6H8O7 = C6H5O7 + H2O =>
3 OH + C6H8O7 = C6H5O7 + 3 H2O
Au + CN{-} + O2 + H = Au(CN)4{-} + OH{-} =>
2 Au + 8 CN{-} + 3 O2 + 6 H = 2 Au(CN)4{-} + 6 OH{-}
N2O = N2 + O2 =>
2 N2O = 2 N2 + O2
HNO3 + Be = Be(NO3)2 + H2 =>
2 HNO3 + Be = Be(NO3)2 + H2
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
H{+} + C6H14 + MnO4{-} = H2O + CO2 + MnO2 =>
38 H{+} + 3 C6H14 + 38 MnO4{-} = 40 H2O + 18 CO2 + 38 MnO2
Cr + Pb{2+} = Cr3{+} + Pb =>
6 Cr + Pb{2+} = 2 Cr3{+} + Pb
Cu(S) + H2SO4(aq) = CuSO4(aq) + H2O(l) + SO2(g) =>
Cu(S) + 4 H2SO4(aq) = CuSO4(aq) + 4 H2O(l) + 4 SO2(g)
CH3NO2 + O2 = CO2 + H2O + NO =>
4 CH3NO2 + 5 O2 = 4 CO2 + 6 H2O + 4 NO
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
FeCl3 + KCl = FeK3 + Cl2 =>
FeCl3 + 3 KCl = FeK3 + 3 Cl2
C19H36O3 = C55H100O7 + CH4O =>
3 C19H36O3 = C55H100O7 + 2 CH4O
Fe(NO3)3*6H2O = Fe2O3 + NO2 + O2 + H2O =>
4 Fe(NO3)3*6H2O = 2 Fe2O3 + 12 NO2 + 3 O2 + 24 H2O
C9H7N{-} + H2O = OH{-} + HC9H7N =>
C9H7N{-} + H2O = OH{-} + HC9H7N
Fe + NaCl + H2O2 = Fe2O3 + HCl + Na =>
4 Fe + 6 NaCl + 3 H2O2 = 2 Fe2O3 + 6 HCl + 6 Na
Ca(NO3)2 + Al(OH)3 = Ca(OH)3 + Al(NO3)2 =>
Ca(NO3)2 + Al(OH)3 = Ca(OH)3 + Al(NO3)2
CaCO3 + CO2 + H2O = Ca(HCO3)2 =>
CaCO3 + CO2 + H2O = Ca(HCO3)2
P4O10 + K(OH) = K3PO4 + H2O =>
P4O10 + 12 K(OH) = 4 K3PO4 + 6 H2O
Mg(x) + N2(g) = Mg3N2(x) =>
3 Mg(x) + N2(g) = Mg3N2(x)
MnO2 + KI + HCl = KCl + MnCl2 + H2O + I =>
MnO2 + 2 KI + 4 HCl = 2 KCl + MnCl2 + 2 H2O + 2 I
Cs + Sr(CrO4) = Cs2(CrO4) + Sr =>
2 Cs + Sr(CrO4) = Cs2(CrO4) + Sr
NaMnO4 + FeSO4 + NaOH = Na2MnO4 + Fe(OH)3 + Fe2(SO4)3 =>
3 NaMnO4 + 3 FeSO4 + 3 NaOH = 3 Na2MnO4 + Fe(OH)3 + Fe2(SO4)3
Na2B4O7* + HCl = NaCl + H2B4O7 =>
Na2B4O7* + 2 HCl = 2 NaCl + H2B4O7
Cu(ClO4)2 = Cu{+} + (ClO4)2{-} =>
Cu(ClO4)2 = Cu{+} + (ClO4)2{-}
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Équations équilibrées sur02/10/25
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