| Équations équilibrées la veille |
Fe(OH)2 + 2 H2O2 = FeO3 + 3 H2O
K2S + KMnO4 + KOH = SO + K2MnO4 + H2O =>
K2S + 4 KMnO4 + 2 KOH = SO + 4 K2MnO4 + H2O
NaN3 = Na(s) + N2(g) =>
2 NaN3 = 2 Na(s) + 3 N2(g)
NaCl(ac) + Mg(C2H3O2)2(ac) = Na(C2H3O2)(ac) + MgCl2(s) =>
2 NaCl(ac) + Mg(C2H3O2)2(ac) = 2 Na(C2H3O2)(ac) + MgCl2(s)
C5H18 + O2 = CO2 + H2O =>
2 C5H18 + 19 O2 = 10 CO2 + 18 H2O
KOH + Al2O3 + H2O = KAl(OH)4 =>
2 KOH + Al2O3 + 3 H2O = 2 KAl(OH)4
Cl2 + MgI2 = MgCl2 + I2 =>
Cl2 + MgI2 = MgCl2 + I2
CaCl2(aq) + NaHSO4(aq) = CaSO4(s) + NaCl(aq) + HCl =>
CaCl2(aq) + NaHSO4(aq) = CaSO4(s) + NaCl(aq) + HCl
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
H2O(l) + P4O10 = H3PO4(ac) =>
6 H2O(l) + P4O10 = 4 H3PO4(ac)
CaCO3 + HCH3COO = CaHCH3COO + H2O + CO2 =>
4 CaCO3 + 5 HCH3COO = 4 CaHCH3COO + 2 H2O + 6 CO2
C2H4 + HCl = CCl4 + H5 =>
5 C2H4 + 40 HCl = 10 CCl4 + 12 H5
copper(ii)oxide + carbon = carbondioxide + copper =>
2 CuO + C = CO2 + 2 Cu
Fe(COO)2 + KMnO4 + HCl = CO2 + KCl + MnCl2 + H2O + FeCl3 =>
5 Fe(COO)2 + 3 KMnO4 + 24 HCl = 10 CO2 + 3 KCl + 3 MnCl2 + 12 H2O + 5 FeCl3
Fe{3}{+} + NH3OH{+} = Fe{2}{+} + N2O + H{+} + H2O =>
4 Fe{3}{+} + 2 NH3OH{+} = 4 Fe{2}{+} + N2O + 6 H{+} + H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
K2SO4 + BaCl2 = BaSO4 + KCl =>
K2SO4 + BaCl2 = BaSO4 + 2 KCl
CaMg(CO3)2 + H2SO4 = Ca(HCO3)2 + MgSO4 =>
CaMg(CO3)2 + H2SO4 = Ca(HCO3)2 + MgSO4
Na2CO3*10H2O + (NH4)2Ni(SO4)2*6H2O = H2O + NiCO3*Ni(OH)2 + Na2SO4 + NaHCO3 + (NH4)2SO4 =>
3 Na2CO3*10H2O + 2(NH4)2Ni(SO4)2*6H2O = 40 H2O + NiCO3*Ni(OH)2 + 2 Na2SO4 + 2 NaHCO3 + 2(NH4)2SO4
Mg + (PbC2H3O2) = Pb + Mg(C2H3O2)2 =>
Mg + 2(PbC2H3O2) = 2 Pb + Mg(C2H3O2)2
NaI + Hg(C2H3O2)2 = HgI + (C2H3O2) + Na =>
NaI + Hg(C2H3O2)2 = HgI + 2(C2H3O2) + Na
[CuCO3] + HCl = CuCl2 + H2O + CO2 =>
[CuCO3] + 2 HCl = CuCl2 + H2O + CO2
Cu(NO3)2 + Na2S = Na(NO3) + SCu =>
Cu(NO3)2 + Na2S = 2 Na(NO3) + SCu
K2Cr2O7 + Na2S2O3 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O + Na2SO4 =>
4 K2Cr2O7 + 3 Na2S2O3 + 13 H2SO4 = 4 Cr2(SO4)3 + 4 K2SO4 + 13 H2O + 3 Na2SO4
CdS + NH3 + HNO3 = Cd(NH4)2 + H2SO4 + NO2 =>
CdS + 2 NH3 + 4 HNO3 = Cd(NH4)2 + H2SO4 + 4 NO2
SCN{-} + I2 + H2O = I{-} + HCN + SO42{-} + H{+} =>
2 SCN{-} + 83 I2 + 84 H2O = 166 I{-} + 2 HCN + 2 SO42{-} + 166 H{+}
[Co(H2O)6]Cl2 + CaCl2 = Ca[CoCl4] + H2O =>
[Co(H2O)6]Cl2 + CaCl2 = Ca[CoCl4] + 6 H2O
H2O + N2O5 = HNO3 = H2O + N205 = HNO3 =>
H2O + N2O5 = 2 HNO3
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
NaS + CdSO4 = NaSO4 + CdS =>
NaS + CdSO4 = NaSO4 + CdS
C6H5CH3 + OH = H2O + CO2 =>
C6H5CH3 + 36 OH = 22 H2O + 7 CO2
AgCuS + HNO3 = AgNO3 + CuNO3 + H2SO4 + NO2 + H2O =>
AgCuS + 10 HNO3 = AgNO3 + CuNO3 + H2SO4 + 8 NO2 + 4 H2O
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
K2SO4 + BaCl2 = BaSO4 + KCl =>
K2SO4 + BaCl2 = BaSO4 + 2 KCl
H2 + K2 = H3K =>
3 H2 + K2 = 2 H3K
CuSO4(aq) + Fe(s) = CuO(s) + FeSO3(s) =>
CuSO4(aq) + Fe(s) = CuO(s) + FeSO3(s)
Br(No3)2 + H2SO4 = BrSO4 + HNo3 =>
Br(No3)2 + H2SO4 = BrSO4 + 2 HNo3
ZnNO3 + Al = Zn + Al(NO3)2 =>
2 ZnNO3 + Al = 2 Zn + Al(NO3)2
Pb(C2H3O2)2 + CrSO4 = Cr2(C2H3O2)4 + PbSO4 =>
2 Pb(C2H3O2)2 + 2 CrSO4 = Cr2(C2H3O2)4 + 2 PbSO4
Al(NO3)3 + MgCl2 = AlCl3 + Mg(NO3)2 =>
2 Al(NO3)3 + 3 MgCl2 = 2 AlCl3 + 3 Mg(NO3)2
HI + K2SO3 = KI + H2O + SO2 =>
2 HI + K2SO3 = 2 KI + H2O + SO2
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
ZnCl2 + Fe = ZnFe + Cl2 =>
ZnCl2 + Fe = ZnFe + Cl2
V(OH)4 + H = VO + H2O =>
V(OH)4 + 2 H = VO + 3 H2O
GaF + Cs = CsF + Ga =>
GaF + Cs = CsF + Ga
CU2O + C = CU + CO =>
CU2O + 2 C = 2 CU + CO
CuCl2 + I2 = Cu + I2Cl2 =>
CuCl2 + I2 = Cu + I2Cl2
H2C2O4*2H2O + NaOH = H2O + Na2C2O4 =>
H2C2O4*2H2O + 2 NaOH = 4 H2O + Na2C2O4
Na2SO4 + Sr(NO3)2 = NaNO3 + SrSO4 =>
Na2SO4 + Sr(NO3)2 = 2 NaNO3 + SrSO4
MgO + H3(PO4) = Mg3(PO4)2 + H2O =>
3 MgO + 2 H3(PO4) = Mg3(PO4)2 + 3 H2O
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Équations équilibrées sur01/26/25
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