| Équations équilibrées la veille |
12 Cu + P4 = 4 Cu3P
Li2SO4 + Zn = ZnSO4 + Li =>
Li2SO4 + Zn = ZnSO4 + 2 Li
Na2SO3 + Ba(NO3)2 = NaNO3 + BaSO3 =>
Na2SO3 + Ba(NO3)2 = 2 NaNO3 + BaSO3
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Al + NiO = AlO + Ni =>
Al + NiO = AlO + Ni
CoCl3 + NaOH = Co(OH)3 + NaCl =>
CoCl3 + 3 NaOH = Co(OH)3 + 3 NaCl
C6H12O6(s) = C2H5OH(l) + CO2(g) =>
C6H12O6(s) = 2 C2H5OH(l) + 2 CO2(g)
Mg3(PO4)2 + Al(ClO3)3 = Mg(ClO3)2 + AlPO4 =>
Mg3(PO4)2 + 2 Al(ClO3)3 = 3 Mg(ClO3)2 + 2 AlPO4
PbO2 + KI + HNO3 = PbI2 + I2 + KNO3 + H2O =>
PbO2 + 4 KI + 4 HNO3 = PbI2 + I2 + 4 KNO3 + 2 H2O
H2O + MnO4{-} + I{-} = I2 + Mn{2+} + OH{-} =>
8 H2O + 2 MnO4{-} + 10 I{-} = 5 I2 + 2 Mn{2+} + 16 OH{-}
H3PO4 + P2O5 = HPO3 =>
H3PO4 + P2O5 = 3 HPO3
Sr(OH)2 + HBr = H2O + SrBr2 =>
Sr(OH)2 + 2 HBr = 2 H2O + SrBr2
Sn(NO3)2 + Cr = Cr(NO3)3 + Sn =>
3 Sn(NO3)2 + 2 Cr = 2 Cr(NO3)3 + 3 Sn
Cu(ClO4)2 = Cu{2+} + ClO4{-} =>
Cu(ClO4)2 = Cu{2+} + 2 ClO4{-}
NaCl + Na2CO3 = NaClNa2CO3 =>
NaCl + Na2CO3 = NaClNa2CO3
C6H12O2 + NaOH = C2H3NaO2 + C4H10O =>
C6H12O2 + NaOH = C2H3NaO2 + C4H10O
Ni(OH)2 + NaOH = Na2NiO2 + H2O =>
Ni(OH)2 + 2 NaOH = Na2NiO2 + 2 H2O
H2SiO3 + CuO = Cu2(SiO3)2 + H2O =>
2 H2SiO3 + 2 CuO = Cu2(SiO3)2 + 2 H2O
Fe + NH3 = Fe3N2 + H2 =>
3 Fe + 2 NH3 = Fe3N2 + 3 H2
P2O3 + NaOH = Na2PHO3 + H2O =>
P2O3 + 4 NaOH = 2 Na2PHO3 + H2O
Cr(NO3)3 + H2O2 = H2CrO4 + HNO3 + O2 =>
2 Cr(NO3)3 + 5 H2O2 = 2 H2CrO4 + 6 HNO3 + O2
H2O + NH2OH = H3O{-} + NH2O{+} =>
H2O + NH2OH = H3O{-} + NH2O{+}
Co + Si3N4 + LiN3 = CoSiN2 + Li3N =>
12 Co + 4 Si3N4 + 3 LiN3 = 12 CoSiN2 + Li3N
Sn + Pb(NO3)2 = Sn(NO3) + Pb =>
2 Sn + Pb(NO3)2 = 2 Sn(NO3) + Pb
KMnO4 + (COOH)2 = HMnO4 + K + CO2 =>
2 KMnO4 + (COOH)2 = 2 HMnO4 + 2 K + 2 CO2
HCl + AgC2H3O2 = AgCl + HC2H3O2 =>
HCl + AgC2H3O2 = AgCl + HC2H3O2
Ca(NO3)2 = Ca + NO3 =>
Ca(NO3)2 = Ca + 2 NO3
Ba(CH3COO)2 = Ba + C + H2 + O2 =>
Ba(CH3COO)2 = Ba + 4 C + 3 H2 + 2 O2
P4O6 + H2O = H3PO3 =>
P4O6 + 6 H2O = 4 H3PO3
NO2 + HCl = HNO2 + Cl =>
NO2 + HCl = HNO2 + Cl
Na2S2O3 + Br2 + NaOH = NaBr + Na2SO4 + H2O =>
Na2S2O3 + 4 Br2 + 10 NaOH = 8 NaBr + 2 Na2SO4 + 5 H2O
Y2O3 + BaCO3 + CuO = Y3Ba5Cu8O18 + CO2 + CO =>
3 Y2O3 + 10 BaCO3 + 16 CuO = 2 Y3Ba5Cu8O18 + 9 CO2 + CO
CoCl2(aq) + Na2SO4(aq) = CoSO4(aq) + NaCl(aq) =>
CoCl2(aq) + Na2SO4(aq) = CoSO4(aq) + 2 NaCl(aq)
ZnOHCl = ZnCl2 + Zn(OH)2 =>
2 ZnOHCl = ZnCl2 + Zn(OH)2
K2SO4(aq) + Ba(NO3)2 = BaSO4(s) + KNO3(aq) =>
K2SO4(aq) + Ba(NO3)2 = BaSO4(s) + 2 KNO3(aq)
NaCl + H2SO4 + MnO2 = Na2SO4 + MnCl2 + Cl2 + H2O =>
4 NaCl + 2 H2SO4 + MnO2 = 2 Na2SO4 + MnCl2 + Cl2 + 2 H2O
KH2PO4 + Cr(OH)3 = KOH + CrPO4 + H2O =>
KH2PO4 + Cr(OH)3 = KOH + CrPO4 + 2 H2O
KMnO4 + H2SO4 + Na2S = K2SO4 + Na2SO4 + MnO2 + H2O =>
8 KMnO4 + 4 H2SO4 + 3 Na2S = 4 K2SO4 + 3 Na2SO4 + 8 MnO2 + 4 H2O
HCl(aq) + Pb(C2H3O2)2(aq) = HC2H3O2(aq) + PbCl2(s) =>
2 HCl(aq) + Pb(C2H3O2)2(aq) = 2 HC2H3O2(aq) + PbCl2(s)
P + HIO3 + H2O = H3PO4 + HI =>
6 P + 5 HIO3 + 9 H2O = 6 H3PO4 + 5 HI
C4H11NO3 + HCl = HNO3 + C4H11Cl =>
C4H11NO3 + HCl = HNO3 + C4H11Cl
(NH4)2Co3 + O2 = NH3 + H2O + Co2 =>
2(NH4)2Co3 + O2 = 4 NH3 + 2 H2O + 3 Co2
NH2OH = NH3 + N2O + H2O =>
4 NH2OH = 2 NH3 + N2O + 3 H2O
FeSO3 + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 FeSO3 + 4 H2SO4 = Fe2(SO4)3 + 3 SO2 + 4 H2O
C12H22O11 + H2O = CH3CH2OH + CO2 =>
C12H22O11 + H2O = 4 CH3CH2OH + 4 CO2
Mn + OH = MnO2 + H2O =>
Mn + 4 OH = MnO2 + 2 H2O
NaCl(aq) + H2O = NaOH + HCl =>
NaCl(aq) + H2O = NaOH + HCl
Cl3Fe + AgNO3 = Fe(NO3)3 + AgCl =>
Cl3Fe + 3 AgNO3 = Fe(NO3)3 + 3 AgCl
FeO + Mg = Fe + MgO =>
FeO + Mg = Fe + MgO
KNO3 + P = KNO2 + P2O5 =>
5 KNO3 + 2 P = 5 KNO2 + P2O5
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