| Équations équilibrées la veille |
3 C + 2 N = C3N2
NaCl + AgHCO3 = AgCl + NaHCO3 =>
NaCl + AgHCO3 = AgCl + NaHCO3
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
B4 + O2 = B4O3 =>
2 B4 + 3 O2 = 2 B4O3
SO2 + KMnO4 = SO3 + MnSO4 + K2SO4 =>
5 SO2 + 2 KMnO4 = 2 SO3 + 2 MnSO4 + K2SO4
Li(s) + N2(g) = Li3N =>
6 Li(s) + N2(g) = 2 Li3N
C10H16N2O8 + FeCl2 = Cl2 + FeC10H16N2O8 =>
C10H16N2O8 + FeCl2 = Cl2 + FeC10H16N2O8
Na2S + O2 = Na2O + S =>
2 Na2S + O2 = 2 Na2O + 2 S
HI2 + K = KI + H2 =>
2 HI2 + 4 K = 4 KI + H2
Cr2O7{2-} + CH3CH2CHO + H{+} = CH3CH2COOH + H2O + Cr{3+} =>
Cr2O7{2-} + 3 CH3CH2CHO + 8 H{+} = 3 CH3CH2COOH + 4 H2O + 2 Cr{3+}
C6H12 + O2 = C2O4 + H2 =>
C6H12 + 6 O2 = 3 C2O4 + 6 H2
Cl2 + NH5O = NH4Cl + N2 + H2O =>
3 Cl2 + 8 NH5O = 6 NH4Cl + N2 + 8 H2O
H3PO4 + NaOH = H2O + Na3PO4 =>
H3PO4 + 3 NaOH = 3 H2O + Na3PO4
Fe + H2O = Fe3O4 + H2H2O =>
3 Fe + 8 H2O = Fe3O4 + 4 H2H2O
N2 + CaC2 = C + CaNCN =>
N2 + CaC2 = C + CaNCN
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Zn + Ca(OH)2 = Zn(OH)2 + Ca =>
Zn + Ca(OH)2 = Zn(OH)2 + Ca
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
S + MnO4 + KOH = SO2 + K2MnO4 + H2O =>
S + 2 MnO4 + 4 KOH = SO2 + 2 K2MnO4 + 2 H2O
AlMnCO3 = Mn + O + C + Al =>
AlMnCO3 = Mn + 3 O + C + Al
Cu2(SO4)2 + Ni(s) = Ni2(SO4)2 + Cu =>
Cu2(SO4)2 + 2 Ni(s) = Ni2(SO4)2 + 2 Cu
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Cl + NaOH + FeCl2 = Fe(OH)3 + NaCl =>
Cl + 3 NaOH + FeCl2 = Fe(OH)3 + 3 NaCl
H2(SO)4 + Ca(OH)2 = H2O + Ca2(SO)8 =>
2 H2(SO)4 + 2 Ca(OH)2 = 4 H2O + Ca2(SO)8
CH3COOH + NH3 = NH4CH3COO =>
CH3COOH + NH3 = NH4CH3COO
Ca(s) + O2(g) = CaO2 =>
Ca(s) + O2(g) = CaO2
Ag + Ca(OH)2 = Ca + Ag(OH) =>
2 Ag + Ca(OH)2 = Ca + 2 Ag(OH)
C2H5OH + HI = C2H5I + H2O =>
C2H5OH + HI = C2H5I + H2O
C2H5OH + K2Cr2O7 + HCl = CH3COOH + CrCl3 + KCl + H2O =>
3 C2H5OH + 2 K2Cr2O7 + 16 HCl = 3 CH3COOH + 4 CrCl3 + 4 KCl + 11 H2O
K2S + FeSO4 = K2SO4 + FeS =>
K2S + FeSO4 = K2SO4 + FeS
Fe{3+} + NH3 + H2O = Fe(OH)3 + NH4{+} =>
Fe{3+} + 3 NH3 + 3 H2O = Fe(OH)3 + 3 NH4{+}
Na2SO4(s) + C(s) = Na2S(s) + CO(g) =>
Na2SO4(s) + 4 C(s) = Na2S(s) + 4 CO(g)
Ag + NO3{-} + OH{-} + H2O = Ag(OH)4{-} + NH3 =>
8 Ag + 3 NO3{-} + 5 OH{-} + 18 H2O = 8 Ag(OH)4{-} + 3 NH3
CuFeS2 + PbO = Pb + FeO + Cu2O + SO2 =>
2 CuFeS2 + 11 PbO = 11 Pb + 2 FeO + Cu2O + 4 SO2
KCr2O7 + HClO4 + HI = Cr(ClO4)3 + KClO4 + I2 + H2O =>
2 KCr2O7 + 14 HClO4 + 14 HI = 4 Cr(ClO4)3 + 2 KClO4 + 7 I2 + 14 H2O
NH3 + OH = NO3 + H2O =>
NH3 + 9 OH = NO3 + 6 H2O
C200H202 + H2O = H2 + CO =>
C200H202 + 200 H2O = 301 H2 + 200 CO
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
CuJ + Na2S = Cu2S + NaJ =>
2 CuJ + Na2S = Cu2S + 2 NaJ
K5CoW12O40 = WO4 + WO3 + K + Co =>
K5CoW12O40 = 4 WO4 + 8 WO3 + 5 K + Co
HF + N2 = HFN2 =>
HF + N2 = HFN2
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
Na2SO4 + Pb(C2H3O2)2 = NaC2H3O2 + Pb(SO4) =>
Na2SO4 + Pb(C2H3O2)2 = 2 NaC2H3O2 + Pb(SO4)
C8H12 + KMnO4 + H2SO4 = C8H6O4 + K2SO4 + MnSO4 + H2O =>
5 C8H12 + 14 KMnO4 + 21 H2SO4 = 5 C8H6O4 + 7 K2SO4 + 14 MnSO4 + 36 H2O
KICl4*2H2O + KOH = KCl + KI + KIO3 + H2O =>
3 KICl4*2H2O + 12 KOH = 12 KCl + KI + 2 KIO3 + 12 H2O
C6H6 + KMnO4 = C6H5COOK + MnO2 + KOH + H2O =>
7 C6H6 + 10 KMnO4 = 6 C6H5COOK + 10 MnO2 + 4 KOH + 4 H2O
LiOH + Br2 = LiBr2O3 + LiBr + H2O =>
12 LiOH + 7 Br2 = 2 LiBr2O3 + 10 LiBr + 6 H2O
PbO = Pb + O2 =>
2 PbO = 2 Pb + O2
U + O = U3O8 =>
3 U + 8 O = U3O8
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