| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NaCl + 2 AgNO3 + 2 HNO3 = Na2(NO3)4 + 2 AgCl + H2
FeCl3(aq) + KOH(aq) = Fe(OH)3 + KCl(aq) =>
FeCl3(aq) + 3 KOH(aq) = Fe(OH)3 + 3 KCl(aq)
AlBr3 = Al + Br2 =>
2 AlBr3 = 2 Al + 3 Br2
FeCl3 + Mg + H2O = MgCl2 + Fe(OH)3 + H2 =>
2 FeCl3 + 3 Mg + 6 H2O = 3 MgCl2 + 2 Fe(OH)3 + 3 H2
Ca(NO3)2 + H2SO4 = CaSO4 + HNO3 =>
Ca(NO3)2 + H2SO4 = CaSO4 + 2 HNO3
Ba(NO3)2 + KHSO4 = KNO3 + Ba(HSO4)2 =>
Ba(NO3)2 + 2 KHSO4 = 2 KNO3 + Ba(HSO4)2
FeCl3 + Cr = CrCl2 + Fe =>
2 FeCl3 + 3 Cr = 3 CrCl2 + 2 Fe
PBr3 + H2O = H3PO3 + HBr =>
PBr3 + 3 H2O = H3PO3 + 3 HBr
C6H12O + Cr2O7{2-} + H{+} = C6H10O + Cr{3+} + H2O =>
3 C6H12O + Cr2O7{2-} + 8 H{+} = 3 C6H10O + 2 Cr{3+} + 7 H2O
Hg2Cl2 = Hg + Cl =>
Hg2Cl2 = 2 Hg + 2 Cl
I + O = I2O5 =>
2 I + 5 O = I2O5
HI + K2SO3 = KI + H2SO3 =>
2 HI + K2SO3 = 2 KI + H2SO3
HgO + CO = HgO(CO) =>
HgO + CO = HgO(CO)
Cr2(SO4)3 = Cr2O3 + SO3 =>
Cr2(SO4)3 = Cr2O3 + 3 SO3
FeCl2 + H2SO4 = Fe2(SO4)3 + HCl + SO2 + H2O =>
2 FeCl2 + 4 H2SO4 = Fe2(SO4)3 + 4 HCl + SO2 + 2 H2O
K4Fe(CN)6 + Ba(NO3)2 = K4(NO3)2 + BaFe(CN)6 =>
K4Fe(CN)6 + Ba(NO3)2 = K4(NO3)2 + BaFe(CN)6
C4H4O4 + NaOH = C4H2O4 + Na + H2O =>
C4H4O4 + 2 NaOH = C4H2O4 + 2 Na + 2 H2O
CuSO4(s) = Cu + SO4 =>
CuSO4(s) = Cu + SO4
HCOOH + Ca = Ca(HCOO)2 + H2 =>
2 HCOOH + Ca = Ca(HCOO)2 + H2
Na2S + Cu(NO3)2 = NaNO3 + CuS =>
Na2S + Cu(NO3)2 = 2 NaNO3 + CuS
CrCl2 + HNO3 = Cr(NO3)3 + NO2 + HCl + H2O =>
CrCl2 + 4 HNO3 = Cr(NO3)3 + NO2 + 2 HCl + H2O
C3H8(g) + O2(g) = H2O(aq) + CO2(g) =>
C3H8(g) + 5 O2(g) = 4 H2O(aq) + 3 CO2(g)
CaSO3 + H2O = Ca(OH)2 + Ca(HSO3)2 =>
2 CaSO3 + 2 H2O = Ca(OH)2 + Ca(HSO3)2
Cu(NO3)2(aq) + KI(aq) = KNO3(aq) + CuI2 =>
Cu(NO3)2(aq) + 2 KI(aq) = 2 KNO3(aq) + CuI2
NiCl2 + H2O = Ni(H2O)6 + Cl =>
NiCl2 + 6 H2O = Ni(H2O)6 + 2 Cl
CO2 + H = H2O + C =>
CO2 + 4 H = 2 H2O + C
C2H4O + H2O = C2H4(OH)2 =>
C2H4O + H2O = C2H4(OH)2
PbO2 + NaOH = Na2PbO3 + H2O =>
PbO2 + 2 NaOH = Na2PbO3 + H2O
NH4OH + C6H8O7 = C6H11NO7 + H2O =>
NH4OH + C6H8O7 = C6H11NO7 + H2O
KMnO4 + CH3CH2OH = K2CO3 + MnO2 + H2O =>
4 KMnO4 + CH3CH2OH = 2 K2CO3 + 4 MnO2 + 3 H2O
H3PO4 + H2 = PH3 + H2O =>
H3PO4 + 4 H2 = PH3 + 4 H2O
SO2 + Na2SO3 = Na2S2O5 =>
SO2 + Na2SO3 = Na2S2O5
HgCO3 = Hg + CO2 + O2 =>
2 HgCO3 = 2 Hg + 2 CO2 + O2
CO2 + HNO3 + H3PO4 + H2O = (CH2O)106(NH3)16(H3PO4) + O2 =>
106 CO2 + 16 HNO3 + H3PO4 + 122 H2O = (CH2O)106(NH3)16(H3PO4) + 138 O2
Ba(NO3)2 + NaHCO3 = Ba(HCO3)2 + NaNO3 =>
Ba(NO3)2 + 2 NaHCO3 = Ba(HCO3)2 + 2 NaNO3
Cr2O3 + Fe = Fe3O4 + Cr =>
4 Cr2O3 + 9 Fe = 3 Fe3O4 + 8 Cr
Cr2(SO4)3 = Cr2O3 + SO2 + O2 =>
2 Cr2(SO4)3 = 2 Cr2O3 + 6 SO2 + 3 O2
Na + N2 = Na2N =>
4 Na + N2 = 2 Na2N
H2C3H2O4 + KOH = CO2 + H2O + K =>
H2C3H2O4 + 8 KOH = 3 CO2 + 6 H2O + 8 K
Cu(BO2)2 + NaBO2 + C = Na2B4O7 + Cu + CO =>
Cu(BO2)2 + 2 NaBO2 + C = Na2B4O7 + Cu + CO
H3AsO4 + Fe(OH)3 = Fe(H2AsO4)3 + H2O =>
3 H3AsO4 + Fe(OH)3 = Fe(H2AsO4)3 + 3 H2O
Na[Cr(OH)4] + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
2 Na[Cr(OH)4] + 4 H2SO4 = Cr2(SO4)3 + Na2SO4 + 8 H2O
Cl2 + AgNO3 = (NO3)2 + AgCl =>
Cl2 + 2 AgNO3 = (NO3)2 + 2 AgCl
Ag(s) + CuBr2(ag) = AgBr(ag) + Cu(s) =>
2 Ag(s) + CuBr2(ag) = 2 AgBr(ag) + Cu(s)
CH4(g) + O(g) = CO(g) + H2O(g) =>
CH4(g) + 3 O(g) = CO(g) + 2 H2O(g)
N2O5 + H2O = OH + N2 =>
N2O5 + 5 H2O = 10 OH + N2
CrO3 + KOH = K2Cr2O7 + H2O =>
2 CrO3 + 2 KOH = K2Cr2O7 + H2O
Fe2(SO4)3 + NaHCO3 = Fe(OH)3 + Na2(SO4) + CO2 =>
Fe2(SO4)3 + 6 NaHCO3 = 2 Fe(OH)3 + 3 Na2(SO4) + 6 CO2
(NH4)2S + Pb(NO3)2 = (NH4)(NO3) + PbS =>
(NH4)2S + Pb(NO3)2 = 2(NH4)(NO3) + PbS
KO2(s) + H2O(l) = KOH(aq) + O2(g) =>
4 KO2(s) + 2 H2O(l) = 4 KOH(aq) + 3 O2(g)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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