| Équations équilibrées la veille |
CuO(s)H2SO4(ac) = CuSO4H2O
CuO(s)H2SO4(aq) = CuSO4(aq)H2O(l) =>
CuO(s)H2SO4(aq) = CuSO4(aq)H2O(l)
KBr + MnO2 + H2SO4 = MnSO4 + K2SO4 + Br4 + H2O =>
4 KBr + 2 MnO2 + 4 H2SO4 = 2 MnSO4 + 2 K2SO4 + Br4 + 4 H2O
KNO3 + C = CO2 + KNO2 =>
2 KNO3 + C = CO2 + 2 KNO2
HBr + (NH4)2SO4 = H2SO4 + NH4Br =>
2 HBr + (NH4)2SO4 = H2SO4 + 2 NH4Br
C3H3Ag + HCl = C3H4 + AgCl =>
C3H3Ag + HCl = C3H4 + AgCl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NaCl + Ba2(CO3)2 = Na2CO3 + BaCl2 =>
4 NaCl + Ba2(CO3)2 = 2 Na2CO3 + 2 BaCl2
Ca(OH)2 + HF = CaF2 + H2O =>
Ca(OH)2 + 2 HF = CaF2 + 2 H2O
NaCl + Na2SO4 = Na + ClSO4 =>
NaCl + Na2SO4 = 3 Na + ClSO4
NO2(g) + OH{-}(aq) = NO3{-}(aq) + NO2{-}(aq) + H2O(l) =>
2 NO2(g) + 2 OH{-}(aq) = NO3{-}(aq) + NO2{-}(aq) + H2O(l)
CuSO4Ba(CH3COO)2 = Cu(CH3COO)2BaSO4 =>
CuSO4Ba(CH3COO)2 = Cu(CH3COO)2BaSO4
As + O2 + H2O = HAsO2 =>
4 As + 3 O2 + 2 H2O = 4 HAsO2
K2Cr2O7 + H2SO4 + H2O2 = Cr2S(O4)3 + H2O + K2SO4 =>
K2Cr2O7 + 2 H2SO4 + 3 H2O2 = Cr2S(O4)3 + 5 H2O + K2SO4
(ClB)3(NH)3 + C2H5MgBr = (C2H5B)3(NH)3 + MgClBr =>
(ClB)3(NH)3 + 3 C2H5MgBr = (C2H5B)3(NH)3 + 3 MgClBr
NaHSO4 + Ba(HCO3)2 = Na2CO3 + BaSO4 + CO2 + H2O =>
2 NaHSO4 + 2 Ba(HCO3)2 = Na2CO3 + 2 BaSO4 + 3 CO2 + 3 H2O
I1 + Na2S2O3 = NaI + Na2S4O6 =>
2 I1 + 2 Na2S2O3 = 2 NaI + Na2S4O6
CrCl3 + KOH + Cl2 = K2CrO4KClO4 + KCl + H2O =>
2 CrCl3 + 32 KOH + 11 Cl2 = 2 K2CrO4KClO4 + 26 KCl + 16 H2O
Mg + Pb2(CO3) = Pb + Mg(CO3) =>
Mg + Pb2(CO3) = 2 Pb + Mg(CO3)
CuSO4K2HPO4 = CuHPO4K2SO4 =>
CuSO4K2HPO4 = CuHPO4K2SO4
CuSO4CuS = Cu2S2O4 =>
CuSO4CuS = Cu2S2O4
Ag + HNO3 = Ag2(NO3) + NO2 + H2O =>
2 Ag + 2 HNO3 = Ag2(NO3) + NO2 + H2O
Cl2 + {-} = Cl{-}1 =>
Cl2 + 2e = 2 Cl{-}1
XeF4(s) + Pt = Xe + PtF4 =>
XeF4(s) + Pt = Xe + PtF4
Cu(NO3)2 + HCOONa = Cu(HCOO)2 + NaNO3 =>
Cu(NO3)2 + 2 HCOONa = Cu(HCOO)2 + 2 NaNO3
Na + SiO2 = Na4SiO2 =>
4 Na + SiO2 = Na4SiO2
NaHCO3 + C2H4O2 = Na2C2H3O2 + H2O + CO2 =>
16 NaHCO3 + 9 C2H4O2 = 8 Na2C2H3O2 + 14 H2O + 18 CO2
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
CoI2 + Na3P = Co3P2 + NaI =>
3 CoI2 + 2 Na3P = Co3P2 + 6 NaI
SrO + C = Sr + CO2 =>
2 SrO + C = 2 Sr + CO2
MnO2 + HNO3 = Mn(NO3)2 + N2O + O2H2O =>
2 MnO2 + 6 HNO3 = 2 Mn(NO3)2 + N2O + 3 O2H2O
CuSO4Na2(CO3) = CuCO3Na2(SO4) =>
CuSO4Na2(CO3) = CuCO3Na2(SO4)
H3PO3 + CaCl2 = Ca3(PO3)2 + HCl =>
2 H3PO3 + 3 CaCl2 = Ca3(PO3)2 + 6 HCl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Mn(NO3)2 + Na2S2O8 + H2O = HMnO4 + HNO3 + NaHSO4 =>
2 Mn(NO3)2 + 5 Na2S2O8 + 8 H2O = 2 HMnO4 + 4 HNO3 + 10 NaHSO4
Na2SO3(aq) + H2SO4(aq) = Na2SO4 + H2SO3 =>
Na2SO3(aq) + H2SO4(aq) = Na2SO4 + H2SO3
Na2CO3 + CaCl2 = NaCl + Ca(CO3) =>
Na2CO3 + CaCl2 = 2 NaCl + Ca(CO3)
Bi(OH)3 + Na2(SO2) = Bi + Na2(SO3) + H2O =>
2 Bi(OH)3 + 3 Na2(SO2) = 2 Bi + 3 Na2(SO3) + 3 H2O
NiCl2 + O2 = NiO + Cl =>
2 NiCl2 + O2 = 2 NiO + 4 Cl
K3CO3 + C = K3C2O3 =>
K3CO3 + C = K3C2O3
MgCO3 + Ba(NO3)2 = Mg(NO3)2 + BaCO3 =>
MgCO3 + Ba(NO3)2 = Mg(NO3)2 + BaCO3
Fe(SO4) = Fe2O3 + SO2 + SO3 =>
2 Fe(SO4) = Fe2O3 + SO2 + SO3
Al2O3 + Ba(OH)2 = BaO + Al(OH)3 =>
Al2O3 + 3 Ba(OH)2 = 3 BaO + 2 Al(OH)3
H3PO3 + H2O = H3O{+} + HPO3{2-} =>
H3PO3 + 2 H2O = 2 H3O{+} + HPO3{2-}
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
Fe(NO{3}){3} + NaOH = Fe(OH){3} + NaNO{3} =>
Fe(NO{3}){3} + NaOH = Fe(OH){3} + NaNO{3}
Fe(III)ClNaOH = Fe(III)OHNaCl =>
Fe(III)ClNaOH = Fe(III)OHNaCl
Sr(OH)2 + FeCl2 = Fe(OH)2 + SrCl2 =>
Sr(OH)2 + FeCl2 = Fe(OH)2 + SrCl2
C2H5OH + Na2CO3 = C2H5CONa + CO2 + H2O =>
8 C2H5OH + 3 Na2CO3 = 6 C2H5CONa + CO2 + 9 H2O
Cu3(C6H5O7)2 + H2O + XCOH = Cu2O + C6H8O7 + XCOOH =>
2 Cu3(C6H5O7)2 + 6 H2O + 3 XCOH = 3 Cu2O + 4 C6H8O7 + 3 XCOOH
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Équations équilibrées sur02/02/25
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