| Équations équilibrées la veille | Équations équilibrées le lendemain |
CO2(g) + H2O(l) = H(g) + HCO3(aq)
H2SiF6 + CaCl2 + CH3COONa = CaSiF6 + CH3COOH + NaCl =>
H2SiF6 + CaCl2 + 2 CH3COONa = CaSiF6 + 2 CH3COOH + 2 NaCl
KMnO4 + Al + KOH = K2MnO4 + K3AlO3 + H2O =>
3 KMnO4 + Al + 6 KOH = 3 K2MnO4 + K3AlO3 + 3 H2O
CaCO3 + Mg(NO3)2 = MgCO3 + Ca(NO3)2 =>
CaCO3 + Mg(NO3)2 = MgCO3 + Ca(NO3)2
NaHCO3(s) + HC2H3O2 = NaC2H3O2 + CO2 + H2O =>
NaHCO3(s) + HC2H3O2 = NaC2H3O2 + CO2 + H2O
Co(OH)2 + NH3 = [Co(NH3)4](OH)2 =>
Co(OH)2 + 4 NH3 = [Co(NH3)4](OH)2
Cr(NO3)2 + Al = Cr + Al(NO3)3 =>
3 Cr(NO3)2 + 2 Al = 3 Cr + 2 Al(NO3)3
PO + H2O = H6PO4 =>
PO + 3 H2O = H6PO4
SnCl2 + H2S = H2Sn + SCl2 =>
SnCl2 + H2S = H2Sn + SCl2
Mg(s) + CuSO4 = MgSO4 + Cu(s) =>
Mg(s) + CuSO4 = MgSO4 + Cu(s)
KMnO4 + HCl + H2SO4 = MnSO4 + Cl + K2SO4 + H2O =>
2 KMnO4 + 10 HCl + 3 H2SO4 = 2 MnSO4 + 10 Cl + K2SO4 + 8 H2O
RbNO3 + MgF2 = Mg(NO3)2 + RbF =>
2 RbNO3 + MgF2 = Mg(NO3)2 + 2 RbF
(Na2SO3) + HCl = NaCl + H2SO3 =>
(Na2SO3) + 2 HCl = 2 NaCl + H2SO3
NaOH + K3PO4 = K3OH + Na(PO4) =>
NaOH + K3PO4 = K3OH + Na(PO4)
NaOH + NaClO + NaS2O3 = NaCl + Na2SO4 + H2O =>
6 NaOH + 7 NaClO + 2 NaS2O3 = 7 NaCl + 4 Na2SO4 + 3 H2O
KOH + K3N = K2O + NH3*H2O =>
5 KOH + K3N = 4 K2O + NH3*H2O
SiH(N(CH3)2)3 + O2 = SiO2 + H2O + NO2 + CO2 =>
4 SiH(N(CH3)2)3 + 59 O2 = 4 SiO2 + 38 H2O + 12 NO2 + 24 CO2
Fe2SiO4 + CO2 = SiO2 + FeCO3 =>
Fe2SiO4 + 2 CO2 = SiO2 + 2 FeCO3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Pb(CH3COO)2 + NaOH = Pb(OH) + Na(CH3COO)2 =>
Pb(CH3COO)2 + NaOH = Pb(OH) + Na(CH3COO)2
CuBr2(aq) + (NH4)2S(aq) = CuS(s) + NH4Br(aq) =>
CuBr2(aq) + (NH4)2S(aq) = CuS(s) + 2 NH4Br(aq)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
H2C2O4*2H2O + CoCl2*6H2O = CoC2O4*H2O + HCl + H2O =>
H2C2O4*2H2O + CoCl2*6H2O = CoC2O4*H2O + 2 HCl + 7 H2O
H2SO4 + H2O = SH + OH =>
H2SO4 + 3 H2O = SH + 7 OH
KMnO4 + HCN = Mn2O7 + KCN + H2O =>
2 KMnO4 + 2 HCN = Mn2O7 + 2 KCN + H2O
Na3PO4 + NiNO3 = NaNO3 + Ni3PO4 =>
Na3PO4 + 3 NiNO3 = 3 NaNO3 + Ni3PO4
C4H10O + K2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 C4H10O + 4 K2Cr2O7 + 16 H2SO4 = 6 CH3COOH + 4 Cr2(SO4)3 + 4 K2SO4 + 19 H2O
Fe(s) + Na3PO4(ac) = FePO4 + Na =>
Fe(s) + Na3PO4(ac) = FePO4 + 3 Na
[P(CH2OH)4]2SO4 + NaOH = P(CH2OH)3 + H2O + H2CO + Na2SO4 =>
[P(CH2OH)4]2SO4 + 2 NaOH = 2 P(CH2OH)3 + 2 H2O + 2 H2CO + Na2SO4
H2O2 + CO2 = CH4 + O2 =>
2 H2O2 + CO2 = CH4 + 3 O2
BaCrO4 + HCl = CrCl3 + BaCl2 + Cl2 + H2O =>
2 BaCrO4 + 16 HCl = 2 CrCl3 + 2 BaCl2 + 3 Cl2 + 8 H2O
Zn(s) + CH3COOH(aq) = Zn(aq)(CH3COO) + H2(aq) =>
2 Zn(s) + 2 CH3COOH(aq) = 2 Zn(aq)(CH3COO) + H2(aq)
Al2O3 + SO = Al + SO3 =>
2 Al2O3 + 3 SO = 4 Al + 3 SO3
KO2 + Na2SO3 + H2SO4 = Na2SO4 + K2SO4 + H2O =>
2 KO2 + 3 Na2SO3 + H2SO4 = 3 Na2SO4 + K2SO4 + H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ba(NO3)2 + Ba(OH)2 = Ba(OH)NO3 =>
Ba(NO3)2 + Ba(OH)2 = 2 Ba(OH)NO3
Ni + NH3 + H2O = NH4 + Ni(OH)2 =>
Ni + 2 NH3 + 2 H2O = 2 NH4 + Ni(OH)2
NaOH(s) + HBr(aq) = NaBr(aq) + H2O(l) =>
NaOH(s) + HBr(aq) = NaBr(aq) + H2O(l)
NO + KCIO3 + KOH = KNO3 + KCI + H2O =>
2 NO + KCIO3 + 2 KOH = 2 KNO3 + KCI + H2O
C3Cl3N3O3 + HCl = H3C3N3O3 + Cl2 =>
C3Cl3N3O3 + 3 HCl = H3C3N3O3 + 3 Cl2
NH4OH + K2SO4 = NH4SO4 + K2OH =>
NH4OH + K2SO4 = NH4SO4 + K2OH
Rb2CO3 + SnI4 = RbI + Sn(CO3)2 =>
2 Rb2CO3 + SnI4 = 4 RbI + Sn(CO3)2
HBr + Ca(NO3)2 = HNO3 + CaBr2 =>
2 HBr + Ca(NO3)2 = 2 HNO3 + CaBr2
KMnO4 + H2SO4 + (NH4)2C2O4 = (NH4)2SO4 + K + H2O + Mn + CO2 =>
KMnO4 + 4 H2SO4 + 4(NH4)2C2O4 = 4(NH4)2SO4 + K + 4 H2O + Mn + 8 CO2
Na(OH3) + Fe(NO3)3 = NaNO3 + Fe(OH3)3 =>
3 Na(OH3) + Fe(NO3)3 = 3 NaNO3 + Fe(OH3)3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Hg2(HPO4)2 + LiC2H3O2 = Li2HPO4 + Hg(C2H3O2)2 =>
Hg2(HPO4)2 + 4 LiC2H3O2 = 2 Li2HPO4 + 2 Hg(C2H3O2)2
CoCl2 + Na2S = CoS + NaCl =>
CoCl2 + Na2S = CoS + 2 NaCl
Na2O + NH4(NO3) = NaNO3 + H2O + NH3 =>
Na2O + 2 NH4(NO3) = 2 NaNO3 + H2O + 2 NH3
BaCO3 + K2CrO4 = BaCrO4 + K2CO3 =>
BaCO3 + K2CrO4 = BaCrO4 + K2CO3
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