| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 K2S + 2 Al(OH)3 = 6 KOH + Al2S3
Ca(NO3)2 + H2SO4 = CaSO4 + H2(NO3)2 =>
Ca(NO3)2 + H2SO4 = CaSO4 + H2(NO3)2
B2Br6(aq) + HNO3(aq) = B(NO3)3(aq) + HBr(aq) =>
B2Br6(aq) + 6 HNO3(aq) = 2 B(NO3)3(aq) + 6 HBr(aq)
CH2(OH){-}CH(OH){-}CH2(OH) + K = CH2OK{-}CHOK{-}CH2OK + H2 =>
2 CH2(OH){-}CH(OH){-}CH2(OH) + 2 K = 2 CH2OK{-}CHOK{-}CH2OK + H2
Na4V2O7 + CrO2 + O2 = Na2CrO4 + NaVO3 =>
2 Na4V2O7 + 2 CrO2 + O2 = 2 Na2CrO4 + 4 NaVO3
Mg(s) + CuSO4(Ac) = MgSO4(Ac) + Cu(s) =>
Mg(s) + CuSO4(Ac) = MgSO4(Ac) + Cu(s)
C4H8 + KMnO4 + H2SO4 = C4H6O2 + K2SO4 + MnSO4 + H2O =>
5 C4H8 + 6 KMnO4 + 9 H2SO4 = 5 C4H6O2 + 3 K2SO4 + 6 MnSO4 + 14 H2O
Cr2(SO4)3 + Na2CO3 = Na2Cr2O4 + Na2SO4 + CO2 =>
Cr2(SO4)3 + 4 Na2CO3 = Na2Cr2O4 + 3 Na2SO4 + 4 CO2
H2O2 + Ag2S + NH3 = [Ag(NH3)2]OH + (NH4)2SO4 + H2O =>
4 H2O2 + Ag2S + 6 NH3 = 2[Ag(NH3)2]OH + (NH4)2SO4 + 2 H2O
H2SO4 + LiOH = Li2SO4 + H2O = =>
H2SO4 + 2 LiOH = Li2SO4 + 2 H2O
K2Cr2O7 + (NH4)2SO4 = Cr2O3 + N2 + H2O + K2SO4 =>
K2Cr2O7 + (NH4)2SO4 = Cr2O3 + N2 + 4 H2O + K2SO4
K2CrO4 + HCl + SnCl2 = KCl + CrCl3 + SnCl4 + H2O =>
2 K2CrO4 + 16 HCl + 3 SnCl2 = 4 KCl + 2 CrCl3 + 3 SnCl4 + 8 H2O
NaSiO3 + BaCl2 = NaCl + Ba(SiO3)2 =>
2 NaSiO3 + BaCl2 = 2 NaCl + Ba(SiO3)2
C6H5COOH + NaOH = H2O + C6H5COO + Na =>
C6H5COOH + NaOH = H2O + C6H5COO + Na
Na2Cr2O7 + Al(NO3)3 = Na(NO3) + Al2(Cr2O7)3 =>
3 Na2Cr2O7 + 2 Al(NO3)3 = 6 Na(NO3) + Al2(Cr2O7)3
Pb(ClO4)2 + NaOH = Pb(OH)2 + NaClO4 =>
Pb(ClO4)2 + 2 NaOH = Pb(OH)2 + 2 NaClO4
Na(s) + Fl(g) = NaFl =>
Na(s) + Fl(g) = NaFl
NH4HSO3 + O2 = (NH4)2SO4 + SO2 + H2O =>
4 NH4HSO3 + O2 = 2(NH4)2SO4 + 2 SO2 + 2 H2O
Mg2SiO4 + Na2SO4 + H2O = MgSO4*7H2O + Na4SiO4 =>
Mg2SiO4 + 2 Na2SO4 + 14 H2O = 2 MgSO4*7H2O + Na4SiO4
CuO2(s) + C(s) = Cu(s) + CO(g) =>
CuO2(s) + 2 C(s) = Cu(s) + 2 CO(g)
Fe2O4 + H2O = Fe + OH =>
Fe2O4 + 4 H2O = 2 Fe + 8 OH
Hg2(NO3)2 + KI = IHg2 + K(NO3)2 =>
Hg2(NO3)2 + KI = IHg2 + K(NO3)2
H2SO4 + Mg(OH)2 = H2O + MgSO4 =>
H2SO4 + Mg(OH)2 = 2 H2O + MgSO4
FeO(s) + O2 = Fe2O3(s) =>
4 FeO(s) + O2 = 2 Fe2O3(s)
Pb(NO3)2 + KI = Pb2KI + (NO3)2 =>
2 Pb(NO3)2 + KI = Pb2KI + 2(NO3)2
C6H12O6 + HCl = C6H12O5 + H2O + Cl2 =>
C6H12O6 + 2 HCl = C6H12O5 + H2O + Cl2
CuSO4(aq) + CrCl3(aq) = CuCl2(aq) + Cr2(SO4)3(aq) =>
3 CuSO4(aq) + 2 CrCl3(aq) = 3 CuCl2(aq) + Cr2(SO4)3(aq)
Pb(NO3)2 = PbO2 + N2O2 + O2 =>
Pb(NO3)2 = PbO2 + N2O2 + O2
CH4 + O2 = H2O + COH2 =>
CH4 + O2 = H2O + COH2
ZINC + CH3COOH = ZINCCH3COOH =>
ZINC + CH3COOH = ZINCCH3COOH
Cd + NaOH = Cd(Na) + OH =>
Cd + NaOH = Cd(Na) + OH
CaBr + O2 = Br + CaO =>
2 CaBr + O2 = 2 Br + 2 CaO
C6H10O6 + H2O = C2H6O + CO2 =>
6 C6H10O6 + 3 H2O = 11 C2H6O + 14 CO2
HCHO + CuO = H2O + Cu + CO2 =>
HCHO + 2 CuO = H2O + 2 Cu + CO2
Si(OC2H5)4 + YAlO3 + H2O = SiO2YAlO3 + C2H5OH =>
Si(OC2H5)4 + YAlO3 + 2 H2O = SiO2YAlO3 + 4 C2H5OH
NaHCO3 + SiO2 = Na2SiO3 + H2O + CO2 =>
2 NaHCO3 + SiO2 = Na2SiO3 + H2O + 2 CO2
Cl2H2(l) + F(l) = Cl + HF =>
Cl2H2(l) + 2 F(l) = 2 Cl + 2 HF
Cu(OH)2 + CH3COOH = Cu(CH3COO)2 + H2O =>
Cu(OH)2 + 2 CH3COOH = Cu(CH3COO)2 + 2 H2O
ZnClO4 + Al3 = Zn + Al(ClO4)3 =>
9 ZnClO4 + Al3 = 9 Zn + 3 Al(ClO4)3
AgI + FeCO3 = Ag2CO3 + FeI2 =>
2 AgI + FeCO3 = Ag2CO3 + FeI2
C3H8O3 + MnO4{-} = CO3{2-} + MnO2 + H2O + C2O4{2-} =>
C3H8O3 + 4 MnO4{-} = CO3{2-} + 4 MnO2 + 4 H2O + C2O4{2-}
NaHCO3 = CO2(g) + H2O(l) + Na2CO3(s) =>
2 NaHCO3 = CO2(g) + H2O(l) + Na2CO3(s)
Mg(OH)2(aq) + H3PO4(aq) = Mg3(PO4)2(aq) + H2O(l) =>
3 Mg(OH)2(aq) + 2 H3PO4(aq) = Mg3(PO4)2(aq) + 6 H2O(l)
Zn(HSO3)2 + H2SO4 = ZnSO4 + H2O + SO2 =>
Zn(HSO3)2 + H2SO4 = ZnSO4 + 2 H2O + 2 SO2
K2[PbI4] + (NH4)2S = K2S + (NH4)2[PbI4] =>
K2[PbI4] + (NH4)2S = K2S + (NH4)2[PbI4]
Cu + S = CuS =>
Cu + S = CuS
H2TiCl6 + H2O2 + H2O = H4TiO5 + HCl =>
H2TiCl6 + H2O2 + 3 H2O = H4TiO5 + 6 HCl
Na2CO3 + HNO3 + BaCl2 = NaCl + HCO3 + BaNO3 =>
Na2CO3 + HNO3 + BaCl2 = 2 NaCl + HCO3 + BaNO3
H2SO4 + Mg(OH)2 = H2O + MgSO4 =>
H2SO4 + Mg(OH)2 = 2 H2O + MgSO4
Si(OC2H5)4 + YAlO3Cr + H2O = SiO2YAlO3Cr + C2H5OH =>
Si(OC2H5)4 + YAlO3Cr + 2 H2O = SiO2YAlO3Cr + 4 C2H5OH
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Équations équilibrées sur06/12/24
Équations équilibrées sur07/12/23
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