| Équations équilibrées la veille | Équations équilibrées le lendemain |
C2H2(g) + 3 O2(g) = 2 CO2(g) + 2 OH(aq)
Zn(NO3)2 + RbOH = Zn(OH)2 + RbNO3 =>
Zn(NO3)2 + 2 RbOH = Zn(OH)2 + 2 RbNO3
Na2CrO4 + Pb(ClO4)2 = NaClO4 + PbCrO4 =>
Na2CrO4 + Pb(ClO4)2 = 2 NaClO4 + PbCrO4
NH4OH + Na2HPO4 = (NH4)2HPO4 + NaOH =>
2 NH4OH + Na2HPO4 = (NH4)2HPO4 + 2 NaOH
K2 + B2O2 = K2O + B =>
2 K2 + B2O2 = 2 K2O + 2 B
AgBr(s) = Ag(s) + Br2(l) =>
2 AgBr(s) = 2 Ag(s) + Br2(l)
ZnSO4 + Mg = Zn + MgSO4 =>
ZnSO4 + Mg = Zn + MgSO4
Ag2O + H3BO3 = Ag3BO3 + H2O =>
3 Ag2O + 2 H3BO3 = 2 Ag3BO3 + 3 H2O
Pt(OH)4 = Pt2O4 + H2O =>
2 Pt(OH)4 = Pt2O4 + 4 H2O
AgNO3(ac) + Na2S(ac) = Ag2S(s) + NaNO3(ac) =>
2 AgNO3(ac) + Na2S(ac) = Ag2S(s) + 2 NaNO3(ac)
C2H6O(l) + O2(g) = CO2(g) + H2O(l) =>
C2H6O(l) + 3 O2(g) = 2 CO2(g) + 3 H2O(l)
Na2C2O4 + KMnO4 + H2SO4 = K2SO4 + Na2SO4 + H2O + MnSO4 + CO2 =>
5 Na2C2O4 + 2 KMnO4 + 8 H2SO4 = K2SO4 + 5 Na2SO4 + 8 H2O + 2 MnSO4 + 10 CO2
Na + H(NO3) = Na(NO3) + H =>
Na + H(NO3) = Na(NO3) + H
MgS + Ga = Ga2S3 + Mg =>
3 MgS + 2 Ga = Ga2S3 + 3 Mg
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
Pb(NO3)2 + NO + H2O = Pb + HNO3 =>
3 Pb(NO3)2 + 2 NO + 4 H2O = 3 Pb + 8 HNO3
C14H9Cl5 = C + H + Cl =>
C14H9Cl5 = 14 C + 9 H + 5 Cl
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
K3[Fe(CN)6] + FeCl3 + SnCl2 = Fe3[Fe(CN)6]2 + SnCl4 + KCl =>
4 K3[Fe(CN)6] + 6 FeCl3 + 3 SnCl2 = 2 Fe3[Fe(CN)6]2 + 3 SnCl4 + 12 KCl
Bi(OH)3 + Na(Sn(OH)3) + NaOH = Bi + Na2(Sn(OH)6) =>
2 Bi(OH)3 + 3 Na(Sn(OH)3) + 3 NaOH = 2 Bi + 3 Na2(Sn(OH)6)
Mn + O = Mn2O5 =>
2 Mn + 5 O = Mn2O5
K2CO3 + Co2(SO4)3 = K2SO4 + Co2(CO3)3 =>
3 K2CO3 + Co2(SO4)3 = 3 K2SO4 + Co2(CO3)3
C6H12O6 + C21H30N7O17P3 = C6H14O6 + C21H28N7O17P3 =>
C6H12O6 + C21H30N7O17P3 = C6H14O6 + C21H28N7O17P3
Al2(SO3)3 + H2O = H2SO3 + Al2O3 =>
Al2(SO3)3 + 3 H2O = 3 H2SO3 + Al2O3
N2O + HNO3 = NO + H2O =>
3 N2O + 2 HNO3 = 8 NO + H2O
ZnCl2 + Na2CO3 = ZnO + CO2 + NaCl =>
ZnCl2 + Na2CO3 = ZnO + CO2 + 2 NaCl
Na2CO3 + AgNO3 = NaNO3 + Ag2CO3 =>
Na2CO3 + 2 AgNO3 = 2 NaNO3 + Ag2CO3
Al + Cu{2} = Al{3} + Cu =>
2 Al + 3 Cu{2} = 2 Al{3} + 3 Cu
Cr2O7{2-} + Zn + H{+} = Zn2{+} + Cr3{+} + H2O =>
3 Cr2O7{2-} + 68 Zn + 42 H{+} = 34 Zn2{+} + 2 Cr3{+} + 21 H2O
Fe + H2SO4 + HCl = FeCl3 + SO2 + H2O =>
2 Fe + 3 H2SO4 + 6 HCl = 2 FeCl3 + 3 SO2 + 6 H2O
C5H12O6 = C5H10O4 + CO2 + H2O =>
11 C5H12O6 = 10 C5H10O4 + 5 CO2 + 16 H2O
CaCl + Na = NaCa + Cl =>
CaCl + Na = NaCa + Cl
Cu(OH)2 + (NH4)2SO4 + NaOH = [Cu(NH3)4]SO4 + Na2SO4 + H2O =>
Cu(OH)2 + 2(NH4)2SO4 + 2 NaOH = [Cu(NH3)4]SO4 + Na2SO4 + 4 H2O
HNO3 + Sn0 = SnO2 + NO + H2O =>
4 HNO3 + 3 Sn0 = 3 SnO2 + 4 NO + 2 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
KSCN + Fe3NO3 = KNO3 + Fe3SCN =>
KSCN + Fe3NO3 = KNO3 + Fe3SCN
(NH4)(NO3)(s) = H2O(g) + N2O(g) =>
(NH4)(NO3)(s) = 2 H2O(g) + N2O(g)
SO2 + H2O = H2SO3 = =>
SO2 + H2O = H2SO3
HNK = H + N + K =>
HNK = H + N + K
HI + H2O2 = I2 + H2O =>
2 HI + H2O2 = I2 + 2 H2O
KCl + CaS = KS + CaCl =>
KCl + CaS = KS + CaCl
CuCl2 + AlBr3 = CuBr2 + AlCl3 =>
3 CuCl2 + 2 AlBr3 = 3 CuBr2 + 2 AlCl3
P2 + O5 + H2O = HPO4 =>
5 P2 + 7 O5 + 5 H2O = 10 HPO4
AsH3 + ClO3 = H3AsO4 + Cl =>
3 AsH3 + 4 ClO3 = 3 H3AsO4 + 4 Cl
Al(C2H3O2)3 + KHCO3 = Al(HCO3)3 + KC2H3O2 =>
Al(C2H3O2)3 + 3 KHCO3 = Al(HCO3)3 + 3 KC2H3O2
Cl + BrK = ClK + Br =>
Cl + BrK = ClK + Br
Mg(NO3)2 + NH3 = NO3 + Mg(NH3) =>
Mg(NO3)2 + NH3 = 2 NO3 + Mg(NH3)
Co2(SO4)3 + MnSO4 + H2O = CoSO4 + HMnO4 + H2SO4 =>
5 Co2(SO4)3 + 2 MnSO4 + 8 H2O = 10 CoSO4 + 2 HMnO4 + 7 H2SO4
Ba(OH)2 + HCl = Ba + Cl2 + H2O =>
Ba(OH)2 + 2 HCl = Ba + Cl2 + 2 H2O
HBrO4(aq) + Fe(OH)2(s) = H2O(l) + Fe(BrO4)2(aq) =>
2 HBrO4(aq) + Fe(OH)2(s) = 2 H2O(l) + Fe(BrO4)2(aq)
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Équations équilibrées sur10/29/24
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