| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Pb(NO3)2(aq) + K4Fe(CN)6(aq) = Pb2Fe(CN)6(s) + 4 KNO3(aq)
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
NaH + H2O = NaOH + H2 =>
NaH + H2O = NaOH + H2
C6H14O + H2O = CH4 + HCO3{-} + H{+} =>
2 C6H14O + 7 H2O = 9 CH4 + 3 HCO3{-} + 3 H{+}
Na2[Sn(OH)4] + H2O + Bi2(CO3)3 = Na2[Sn(OH)6] + Bi + CO2 =>
3 Na2[Sn(OH)4] + 3 H2O + Bi2(CO3)3 = 3 Na2[Sn(OH)6] + 2 Bi + 3 CO2
S8 = S6 =>
3 S8 = 4 S6
Ni(OH)2 + Zn3(PO4)2 = Ni3(PO4)2 + Zn(OH)2 =>
3 Ni(OH)2 + Zn3(PO4)2 = Ni3(PO4)2 + 3 Zn(OH)2
CoO + CO2 = CoCO3 =>
CoO + CO2 = CoCO3
HCl + CU = CUCl2 + H2 =>
2 HCl + CU = CUCl2 + H2
Pb(s) + CuNO3(aq) = Cu(s) + Pb(NO3)2(aq) =>
Pb(s) + 2 CuNO3(aq) = 2 Cu(s) + Pb(NO3)2(aq)
P(s) + Cl(g) = PCl5 =>
P(s) + 5 Cl(g) = PCl5
C3H6O2(l) + O2(g) = CO2(g) + H2O(l) =>
2 C3H6O2(l) + 7 O2(g) = 6 CO2(g) + 6 H2O(l)
H3PO4 + KOH = K3PO4 + H2O =>
H3PO4 + 3 KOH = K3PO4 + 3 H2O
Cl2 + Na2CO3 = NaCl + CO2 + NaClO =>
Cl2 + Na2CO3 = NaCl + CO2 + NaClO
FeCl2 + LiOH = LiCl + Fe(OH)2 =>
FeCl2 + 2 LiOH = 2 LiCl + Fe(OH)2
Na + Cu2O = Na2O + Cu2 =>
2 Na + Cu2O = Na2O + Cu2
SbCl3 + H2O = Sb + O + HCl =>
2 SbCl3 + 3 H2O = 2 Sb + 3 O + 6 HCl
Zn(No3)2 + NaCl = ZnCl2 + NaNo3 =>
Zn(No3)2 + 2 NaCl = ZnCl2 + 2 NaNo3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C2H5Br + Na = C2H5BrNa =>
C2H5Br + Na = C2H5BrNa
SiCl4 + Mg = Si + MgCl2 =>
SiCl4 + 2 Mg = Si + 2 MgCl2
HNO3 + HCl + SnCl2 = H2O + SnCl4 + N2O =>
2 HNO3 + 8 HCl + 4 SnCl2 = 5 H2O + 4 SnCl4 + N2O
Ca(C2H3O2)2 + HNO3 = Ca(NO3)2 + C2H4O2 =>
Ca(C2H3O2)2 + 2 HNO3 = Ca(NO3)2 + 2 C2H4O2
C2H3O2Cl + O2 = CO2 + H2O + Cl2 =>
4 C2H3O2Cl + 7 O2 = 8 CO2 + 6 H2O + 2 Cl2
Na2O + CH4 + O3 = Na2CO3 + H2 =>
3 Na2O + 3 CH4 + 2 O3 = 3 Na2CO3 + 6 H2
CH4O + K2Cr2O7 = C2H4O + K2Cr2 + H2O =>
14 CH4O + K2Cr2O7 = 7 C2H4O + K2Cr2 + 14 H2O
HNO3 + Cu = Cu(NO3)2 + H2O + H3N =>
9 HNO3 + 4 Cu = 4 Cu(NO3)2 + 3 H2O + H3N
Sn + Sn{4}{+} = Sn{2}{+} =>
Sn + Sn{4}{+} = 2 Sn{2}{+}
Co(CN)3 + Hg(CH3COO)2 = Co(CH3COO)2 + Hg(CN)3 =>
Co(CN)3 + Hg(CH3COO)2 = Co(CH3COO)2 + Hg(CN)3
Cu + Mg2 = Cu2Mg =>
4 Cu + Mg2 = 2 Cu2Mg
NaNO3 + KMnO4 = KNO3 + NaMnO4 =>
NaNO3 + KMnO4 = KNO3 + NaMnO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2CO2 + HNO3 = CO2 + NO + H2O =>
3 H2CO2 + 2 HNO3 = 3 CO2 + 2 NO + 4 H2O
Li + CH3COOH = LiCH2COOH + H =>
Li + CH3COOH = LiCH2COOH + H
Na2CO3(s) + HCl(aq) = NaCl(s) + CO2(g)H2O(l) =>
Na2CO3(s) + 2 HCl(aq) = 2 NaCl(s) + CO2(g)H2O(l)
Fe20 + Cl12 = FeCl80 =>
3 Fe20 + 400 Cl12 = 60 FeCl80
AgNO3 + NH4Cl = AgCl + NH4NO3 =>
AgNO3 + NH4Cl = AgCl + NH4NO3
MnO2 + NH4NO3 + Zn = Zn[(NH3)2](NO3)2 + H2O + Mn2O3 =>
2 MnO2 + 2 NH4NO3 + Zn = Zn[(NH3)2](NO3)2 + H2O + Mn2O3
Cd + Ni{+4}O2 = Cd{+2}(OH)2 + Ni{+2}(OH)2 =>
Cd + Ni{+4}O2 = Cd{+2}(OH)2 + Ni{+2}(OH)2
NaCl(s) + NaHCO3(aq) = HCl(g) + Na2O(s) + CO2(g) =>
NaCl(s) + NaHCO3(aq) = HCl(g) + Na2O(s) + CO2(g)
Cu(NO3)2 + Fe = Fe(NO3)2 + Cu =>
Cu(NO3)2 + Fe = Fe(NO3)2 + Cu
KMnO4 + H2SO4 = K2SO1 + MnSO4 + O2 + H2O =>
2 KMnO4 + 3 H2SO4 = K2SO1 + 2 MnSO4 + 4 O2 + 3 H2O
C6H8O7(aq) + NaHCO3(s) = CO2(g) + H2O(l) + CH3COONa(s) =>
4 C6H8O7(aq) + 9 NaHCO3(s) = 15 CO2(g) + 7 H2O(l) + 9 CH3COONa(s)
Cu(CH3COO)2 + Na2S = CuS + Na2(CH3COO)2 =>
Cu(CH3COO)2 + Na2S = CuS + Na2(CH3COO)2
F + HCl1 = FCl1 + H =>
F + HCl1 = FCl1 + H
BF3(s) + H2O = HF + H3BO3(s) =>
BF3(s) + 3 H2O = 3 HF + H3BO3(s)
Na2MoO4 + HCl + Al = MoCl3 + AlCl3 + NaCl + H2O =>
Na2MoO4 + 8 HCl + Al = MoCl3 + AlCl3 + 2 NaCl + 4 H2O
C9H8O4 + NaOH = C9H7O4Na + H2O =>
C9H8O4 + NaOH = C9H7O4Na + H2O
Fe2(SO4)3 + H2 = SO2 + Fe + H2O =>
Fe2(SO4)3 + 6 H2 = 3 SO2 + 2 Fe + 6 H2O
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
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