| Équations équilibrées la veille | Équations équilibrées le lendemain |
C2H5NH2H2O = H3OC2H5NH
CaSO4*2H2O + H2SO4 = CaS2O3 + H2O + O2 =>
CaSO4*2H2O + H2SO4 = CaS2O3 + 3 H2O + 2 O2
H2S + H = H3S =>
H2S + H = H3S
KCl + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + Cl2 + K2SO4 + H2O =>
6 KCl + K2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + 3 Cl2 + 4 K2SO4 + 7 H2O
HNO3(aq) + FeSO4(aq) = Fe2(SO4)3(aq) + Fe(NO3)3(aq) + NO(g) + H2O(l) =>
4 HNO3(aq) + 3 FeSO4(aq) = Fe2(SO4)3(aq) + Fe(NO3)3(aq) + NO(g) + 2 H2O(l)
C2H5NH2H2O = HC2H5NH2OH =>
C2H5NH2H2O = HC2H5NH2OH
C18H18 + NO = N2 + CO2 + H2O =>
2 C18H18 + 90 NO = 45 N2 + 36 CO2 + 18 H2O
MgF2 + (NH4)2CO3 = MgCO3 + NH4F =>
MgF2 + (NH4)2CO3 = MgCO3 + 2 NH4F
K3[Cr(OH)6] + Cl2 + KOH = K2Cr2O7 + KCl + H2O =>
2 K3[Cr(OH)6] + 3 Cl2 + 2 KOH = K2Cr2O7 + 6 KCl + 7 H2O
C2H5NH2H2O = C2H6NH2OH =>
C2H5NH2H2O = C2H6NH2OH
KHCO3Ba(OH)2 = BaCO3KOHH2O =>
KHCO3Ba(OH)2 = BaCO3KOHH2O
KNO3 + Mn(NO3)2 + PbO2 = Pb(NO3)2 + K2MnO4 =>
2 KNO3 + Mn(NO3)2 + 2 PbO2 = 2 Pb(NO3)2 + K2MnO4
NaOH(aq) + Fe(NO3)3(aq) + KSCN(aq) = Fe(OH)3 + Na(SCN) + K(NO3) =>
3 NaOH(aq) + Fe(NO3)3(aq) + 3 KSCN(aq) = Fe(OH)3 + 3 Na(SCN) + 3 K(NO3)
HfCl4 + Na = Hf + NaCl =>
HfCl4 + 4 Na = Hf + 4 NaCl
Cr3(PO4)6 + Ni(ClO)2 = Cr(ClO)6 + Ni3(PO4)2 =>
Cr3(PO4)6 + 9 Ni(ClO)2 = 3 Cr(ClO)6 + 3 Ni3(PO4)2
C7H8 + KClO4 = CO2 + H2O + KCl =>
2 C7H8 + 9 KClO4 = 14 CO2 + 8 H2O + 9 KCl
Cu + Hg2(No3)2 = Cu(No3)2 + Hg =>
Cu + Hg2(No3)2 = Cu(No3)2 + 2 Hg
Ca3(PO4)2 + S1O2 + C = P4 + CaS1O3 + CO =>
2 Ca3(PO4)2 + 6 S1O2 + 10 C = P4 + 6 CaS1O3 + 10 CO
C2H6 + Ce2 = C2H5Ce + HCe =>
C2H6 + Ce2 = C2H5Ce + HCe
Na2O2 + HCl = NaCl + H2O2 =>
Na2O2 + 2 HCl = 2 NaCl + H2O2
Na2S + H2SO4 = H2S + Na2SO4 =>
Na2S + H2SO4 = H2S + Na2SO4
Fe2O3 + H4P2O7 = Fe4(P2O7)3 + H2O =>
2 Fe2O3 + 3 H4P2O7 = Fe4(P2O7)3 + 6 H2O
CaCl2 + FeCl3 = CaCl + Fe(Cl2)3 =>
3 CaCl2 + FeCl3 = 3 CaCl + Fe(Cl2)3
K2S + NaCH3COO = KCH3COO + Na2S =>
K2S + 2 NaCH3COO = 2 KCH3COO + Na2S
PO4 + Mg2 = Mg2PO4 =>
PO4 + Mg2 = Mg2PO4
CrBr3 + NH3 + H2O = Cr(OH)3 + NH4Br =>
CrBr3 + 3 NH3 + 3 H2O = Cr(OH)3 + 3 NH4Br
NaHgO = NaOHg =>
NaHgO = NaOHg
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
FeTiO3 + NaOH + O2 = NaTiO3 + NaFeO2 + H2O =>
2 FeTiO3 + 4 NaOH + O2 = 2 NaTiO3 + 2 NaFeO2 + 2 H2O
(NH4)2S + TlCl3 = NH4Cl + S3Tl2 =>
3(NH4)2S + 2 TlCl3 = 6 NH4Cl + S3Tl2
Na2CrO4 + HNO3 = Na(NO3) + H2CrO4 =>
Na2CrO4 + 2 HNO3 = 2 Na(NO3) + H2CrO4
IO3 + H2SO3 = HIO3 + SO3 =>
2 IO3 + H2SO3 = 2 HIO3 + SO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
HBr + NaMnO4 + H2SO4 = Br2 + MnSO4 + Na2SO4 + H2O =>
10 HBr + 2 NaMnO4 + 3 H2SO4 = 5 Br2 + 2 MnSO4 + Na2SO4 + 8 H2O
CaS + HNO3 = NO + SO2 + Ca(NO3)2 + H2O =>
CaS + 4 HNO3 = 2 NO + SO2 + Ca(NO3)2 + 2 H2O
Cu + HCl + H2O2 = CuCl2 + H2O =>
Cu + 2 HCl + H2O2 = CuCl2 + 2 H2O
Mg(s) + N2 = Mg3N2(s) =>
3 Mg(s) + N2 = Mg3N2(s)
(b)NH4NO3(s) = N2O(g) + H2O(g) =>
(b)NH4NO3(s) = N2O(g) + 2 H2O(g)
C10H8 + O2(g) = H2O(l) + CO2(g) =>
C10H8 + 12 O2(g) = 4 H2O(l) + 10 CO2(g)
Cl2(g) + CaBr(aq) = CaCl2(aq) + Br2(g) =>
2 Cl2(g) + 2 CaBr(aq) = 2 CaCl2(aq) + Br2(g)
Na2O = ONa2 =>
Na2O = ONa2
NH4Cl + CuCO4 = NH4CO4 + CuCl =>
NH4Cl + CuCO4 = NH4CO4 + CuCl
N2O + CuO = N2Cu + O2 =>
N2O + CuO = N2Cu + O2
Al2O3 + CaOH = CaAlO2 + H2O =>
Al2O3 + 2 CaOH = 2 CaAlO2 + H2O
NaC2H3O2 + CrCl3 = NaCl + Cr(C2H3O2)3 =>
3 NaC2H3O2 + CrCl3 = 3 NaCl + Cr(C2H3O2)3
CoSO4 + K4Fe(CN)6 = Co2Fe(CN)6 + K2SO4 =>
2 CoSO4 + K4Fe(CN)6 = Co2Fe(CN)6 + 2 K2SO4
ClO2{-} + Br2 + H2O = ClO4{-} + Br{-} + H{+} =>
ClO2{-} + 2 Br2 + 2 H2O = ClO4{-} + 4 Br{-} + 4 H{+}
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Équations équilibrées sur11/22/24
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