| Équations équilibrées la veille | Équations équilibrées le lendemain |
N2H4 + 4 ClO{-} = 2 NO + 4 Cl{-} + 2 H2O
Co3(PO4)2 + KNO3 = Co(NO3)2 + K3PO4 =>
Co3(PO4)2 + 6 KNO3 = 3 Co(NO3)2 + 2 K3PO4
Sn(CO3)2 + KClO3 = Sn(ClO3)4 + K2CO3 =>
Sn(CO3)2 + 4 KClO3 = Sn(ClO3)4 + 2 K2CO3
NaCN + CuCO3 = Na2CO3 + Cu(CN)2 =>
2 NaCN + CuCO3 = Na2CO3 + Cu(CN)2
CaCO3 + HCl + (NH4)2C2O4 = CaC2O4*H2O + CO2 + NH4Cl =>
CaCO3 + 2 HCl + (NH4)2C2O4 = CaC2O4*H2O + CO2 + 2 NH4Cl
Cl2 + K4[Fe(CN)6] = KCl + K3[Fe(CN)6] =>
Cl2 + 2 K4[Fe(CN)6] = 2 KCl + 2 K3[Fe(CN)6]
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
CH3COOH + HCl = CH3COOCl + H2 =>
CH3COOH + HCl = CH3COOCl + H2
K2Cr2O7 + H2O + K2SO3 = K[Cr(OH)4] + K2SO4 =>
K2Cr2O7 + 4 H2O + 3 K2SO3 = 2 K[Cr(OH)4] + 3 K2SO4
NH4ClO4 = N2 + Cl2 + O2 + H2O =>
2 NH4ClO4 = N2 + Cl2 + 2 O2 + 4 H2O
(NH4)2SO4 + NaOH = NH3 + H2O + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO4
HCl + Zn = HClZn =>
HCl + Zn = HClZn
K3PO4 + HC2H3O2 = H3PO4 + KC2H3O2 =>
K3PO4 + 3 HC2H3O2 = H3PO4 + 3 KC2H3O2
KI + AlCl3 = KCl + AlI3 =>
3 KI + AlCl3 = 3 KCl + AlI3
KHS + KOH = K2S + H2O =>
KHS + KOH = K2S + H2O
CaCO3 + HCl = CaCl2 + H2 + (CO3)2 =>
2 CaCO3 + 4 HCl = 2 CaCl2 + 2 H2 + (CO3)2
CuSO4 + Na2HPO4 = Cu3(PO4)2 + NaH2PO4 + Na2SO4 =>
3 CuSO4 + 4 Na2HPO4 = Cu3(PO4)2 + 2 NaH2PO4 + 3 Na2SO4
NH3(g) + Cl2(g) = NH4Cl(g) + N2H4(g) =>
4 NH3(g) + Cl2(g) = 2 NH4Cl(g) + N2H4(g)
Mg(s) + H2O(l) = MgOH(aq) + H2(g) =>
2 Mg(s) + 2 H2O(l) = 2 MgOH(aq) + H2(g)
NaMnO4 + Na2SO3 + H2O = MnO2 + Na2SO4 + NaOH =>
2 NaMnO4 + 3 Na2SO3 + H2O = 2 MnO2 + 3 Na2SO4 + 2 NaOH
Mg(C2H3O2)2 + Ba(OH)2 = Mg(OH)2 + Ba(C2H3O2)2 =>
Mg(C2H3O2)2 + Ba(OH)2 = Mg(OH)2 + Ba(C2H3O2)2
In(s) + H2SO4(aq) = In2(SO4)3(aq) + H2(g) =>
2 In(s) + 3 H2SO4(aq) = In2(SO4)3(aq) + 3 H2(g)
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
CH3CHBrCH3 + Na = CH3CHNaCH3 + Br =>
CH3CHBrCH3 + Na = CH3CHNaCH3 + Br
Ca(NO3)2 + BaBr2 = CaBr2 + Ba(NO3)2 =>
Ca(NO3)2 + BaBr2 = CaBr2 + Ba(NO3)2
Sn(s) + HClO3(aq) = Sn(ClO3)2(aq) + H2(g) =>
Sn(s) + 2 HClO3(aq) = Sn(ClO3)2(aq) + H2(g)
Cl3Fe + NH4OH = Fe(OH)3 + NH4Cl =>
Cl3Fe + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
LiOH = Li2O + H2O =>
2 LiOH = Li2O + H2O
Si(OH)4 + NaBr = SiBr4 + NaOH =>
Si(OH)4 + 4 NaBr = SiBr4 + 4 NaOH
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
CuSO4 + Na2HPO4 = Cu3(PO4)2 + NaH2PO4 + Na2SO4 =>
3 CuSO4 + 4 Na2HPO4 = Cu3(PO4)2 + 2 NaH2PO4 + 3 Na2SO4
(C2H5)2O + O2 = (C2H4)2O + H2O =>
2(C2H5)2O + O2 = 2(C2H4)2O + 2 H2O
Ni + Pb(NO3)4 = Ni(NO3)2 + Pb =>
2 Ni + Pb(NO3)4 = 2 Ni(NO3)2 + Pb
Al + Fe2(Cr2O7)3 = Al2(Cr2O7)3 + Fe =>
2 Al + Fe2(Cr2O7)3 = Al2(Cr2O7)3 + 2 Fe
CuCl2 + Na2SeO3 = CuSe + NaCl + O =>
CuCl2 + Na2SeO3 = CuSe + 2 NaCl + 3 O
Zn + OH{-} + NO3{-} + H2O = NH3 + [Zn(OH)4]{2-} =>
4 Zn + 7 OH{-} + NO3{-} + 6 H2O = NH3 + 4[Zn(OH)4]{2-}
C3H7COOH + Na = C3H3COONa + H2 =>
2 C3H7COOH + 2 Na = 2 C3H3COONa + 5 H2
Ba(No3)2 + KCl = BaCl2 + KNo3 =>
Ba(No3)2 + 2 KCl = BaCl2 + 2 KNo3
KMnO4 + HCOOK = K2CO3 + KHCO3 + MnO2 + H2O =>
2 KMnO4 + 3 HCOOK = 2 K2CO3 + KHCO3 + 2 MnO2 + H2O
H2O + AlCl3 = Al(OH)Cl2 + HCl =>
H2O + AlCl3 = Al(OH)Cl2 + HCl
Al(OH)3 + HCl = AlH + O3H3Cl =>
Al(OH)3 + HCl = AlH + O3H3Cl
NaOH + KHC8H4O4 = H2O + Na(KC8H4O4) =>
NaOH + KHC8H4O4 = H2O + Na(KC8H4O4)
CuCO3 + NHO3 = Cu(NO3)2 + H2O + CO2 =>
CuCO3 + 2 NHO3 = Cu(NO3)2 + H2O + CO2
Al + HClO4 = H2 + AlClO4 =>
2 Al + 2 HClO4 = H2 + 2 AlClO4
U3N = U4 + N =>
4 U3N = 3 U4 + 4 N
I2 + SO4{2-} = I{-} + S2O8{2+} =>
3 I2 + 2 SO4{2-} = 6 I{-} + S2O8{2+}
H2PO4 + Ca = Ca(PO4)2 + H2 =>
2 H2PO4 + Ca = Ca(PO4)2 + 2 H2
CeS + O = CeO + S =>
CeS + O = CeO + S
FeCl3 + Na(OH) = Fe(OH)3 + ClNa =>
FeCl3 + 3 Na(OH) = Fe(OH)3 + 3 ClNa
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Équations équilibrées sur12/13/24
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