| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na2CO3 + BaCl2 = BaCO3 + 2 NaCl
Fe(OH)3 + P2O5 = FePO4 + H2O =>
2 Fe(OH)3 + P2O5 = 2 FePO4 + 3 H2O
K3[Cr(OH)6] + KOH + Cl2 = KCl + K2CrO4 + H2O =>
2 K3[Cr(OH)6] + 4 KOH + 3 Cl2 = 6 KCl + 2 K2CrO4 + 8 H2O
As2S2 + HNO3 = H3AsO4 + H2SO4 + NO2 + H2O =>
As2S2 + 22 HNO3 = 2 H3AsO4 + 2 H2SO4 + 22 NO2 + 6 H2O
NaHCO3(aq) + H3C6H5O7 = CO2(g) + H2O(l) + Na3C6H5O7(aq) =>
3 NaHCO3(aq) + H3C6H5O7 = 3 CO2(g) + 3 H2O(l) + Na3C6H5O7(aq)
Mg(s) + H2O(l) = MgO(s) + H(g) =>
Mg(s) + H2O(l) = MgO(s) + 2 H(g)
Ca(CH3CO2)2 + Na2S = Na(CH3CO2) + CaS =>
Ca(CH3CO2)2 + Na2S = 2 Na(CH3CO2) + CaS
KBr + Cl2 = KCl + BrCl7 =>
KBr + 4 Cl2 = KCl + BrCl7
C6H6 + O2 = HCO3 =>
C6H6 + 9 O2 = 6 HCO3
As2O3 + Al + HCl = AsH3 + AlCl3 + H2O =>
As2O3 + 4 Al + 12 HCl = 2 AsH3 + 4 AlCl3 + 3 H2O
C5H6O(l) + O2 = CO2(g) + H2O(g) =>
C5H6O(l) + 6 O2 = 5 CO2(g) + 3 H2O(g)
N2O4 + N2H3(CH3) = H2O + CO2 + N2 =>
5 N2O4 + 4 N2H3(CH3) = 12 H2O + 4 CO2 + 9 N2
CO3{-} + H2O = HCO3{-} + OH =>
CO3{-} + H2O = HCO3{-} + OH
Co(NO3)2 + HCl = H + NO3 + [CoCl4]2 =>
2 Co(NO3)2 + 8 HCl = 8 H + 4 NO3 + [CoCl4]2
Ca(NO3)2 + Na3PO4 = Ca3(PO4)2 + NaNO3 =>
3 Ca(NO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaNO3
Fe(OH)2 + CuO = Cu(OH)2 + Fe3O4 + H2 =>
3 Fe(OH)2 + 2 CuO = 2 Cu(OH)2 + Fe3O4 + H2
C + H2SO4 + K2Cr2O7 = C24*HSO4*2H2SO4 + K2SO4 + Cr2(SO4)3 + H2O =>
144 C + 22 H2SO4 + K2Cr2O7 = 6 C24*HSO4*2H2SO4 + K2SO4 + Cr2(SO4)3 + 7 H2O
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
C9H8O4 + NaHCO3 = C9H7O4Na + CO2 + H2O =>
C9H8O4 + NaHCO3 = C9H7O4Na + CO2 + H2O
ZnO + OH{-} + H2O = Zn(OH)4{2-} =>
ZnO + 2 OH{-} + H2O = Zn(OH)4{2-}
Cu2O + H2SO4 + H2O2 = CuSO4 + H2O =>
Cu2O + 2 H2SO4 + H2O2 = 2 CuSO4 + 3 H2O
Zn + C6H5CHO + HCl = C6H5CH3 + ZnCl2 + H2O =>
2 Zn + C6H5CHO + 4 HCl = C6H5CH3 + 2 ZnCl2 + H2O
Fe(OH)3 + H3PO4 = FePO4 + H2O(l) =>
Fe(OH)3 + H3PO4 = FePO4 + 3 H2O(l)
Ni + SO4 + H2O = NiSO10H12 =>
Ni + SO4 + 6 H2O = NiSO10H12
CH3OCH2CH3 + KOH = CH3OH + CH3CH2OK =>
CH3OCH2CH3 + KOH = CH3OH + CH3CH2OK
C3H5ON + H2O = CH3COOH + HCN + C2H5OH =>
2 C3H5ON + H2O = CH3COOH + 2 HCN + C2H5OH
ZnO + P2O3 = Zn3(PO3)2 =>
3 ZnO + P2O3 = Zn3(PO3)2
KMnO4 + BiBr2 + H2SO4 = Br2 + MnSO4 + Bi(SO4)2 + K2SO4 + H2O =>
4 KMnO4 + 5 BiBr2 + 16 H2SO4 = 5 Br2 + 4 MnSO4 + 5 Bi(SO4)2 + 2 K2SO4 + 16 H2O
O2 + NH = NO2 + H2O =>
5 O2 + 4 NH = 4 NO2 + 2 H2O
NaClO + KMnO4 + H2SO4 = NaClO3 + K2SO4 + MnSO4 + H2O =>
5 NaClO + 4 KMnO4 + 6 H2SO4 = 5 NaClO3 + 2 K2SO4 + 4 MnSO4 + 6 H2O
C6H6 + Cl2O = C6H5OCl + HCl =>
C6H6 + Cl2O = C6H5OCl + HCl
ZnS + HNO3 + HCl = S + NO + ZnCl + H2O =>
3 ZnS + HNO3 + 3 HCl = 3 S + NO + 3 ZnCl + 2 H2O
H2PO = H + PO =>
H2PO = 2 H + PO
NH4CI + NaNO2 = NaCI + N2 + H2O =>
NH4CI + NaNO2 = NaCI + N2 + 2 H2O
Au + HNO3 + HCl = HAuCl4 + NO2 + H2O =>
Au + 3 HNO3 + 4 HCl = HAuCl4 + 3 NO2 + 3 H2O
C4H8 + Zn = C4H6 + ZnH2 =>
C4H8 + Zn = C4H6 + ZnH2
Al + O = AlO2 =>
Al + 2 O = AlO2
WS2 + O = WO3 + S =>
WS2 + 3 O = WO3 + 2 S
Te + Br2 = TeBr =>
2 Te + Br2 = 2 TeBr
IO{-}3 + I{-} + H{+} = I + H2O =>
IO{-}3 + I{-} + 2 H{+} = 2 I + H2O
C2H2 + Cl + Ca(OH)2 = C2Cl4 + CaCl + H2O =>
C2H2 + 5 Cl + Ca(OH)2 = C2Cl4 + CaCl + 2 H2O
Ca(HSO3)2 = Ca(OH)2 + SO2 =>
Ca(HSO3)2 = Ca(OH)2 + 2 SO2
FeCl3 + H2S = FeCl2 + HCl + S =>
2 FeCl3 + H2S = 2 FeCl2 + 2 HCl + S
V + F2 = VF =>
2 V + F2 = 2 VF
H2Cr2O7(aq) + KOH(aq) = H2O(l) + K2Cr2O7(aq) =>
H2Cr2O7(aq) + 2 KOH(aq) = 2 H2O(l) + K2Cr2O7(aq)
Co(H2O)6 + LiCl = CoCl2 + Li + H2O =>
Co(H2O)6 + 2 LiCl = CoCl2 + 2 Li + 6 H2O
Ca(NO3)2 + Na3PO4 = Ca3(PO4)2 + NaNO3 =>
3 Ca(NO3)2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaNO3
As2S5 + HNO3 = NO2 + HAsO3 + H2O + S =>
As2S5 + 10 HNO3 = 10 NO2 + 2 HAsO3 + 4 H2O + 5 S
Al + H{+} + BrO4{-} = Al{3+} + Br2 + H2O =>
14 Al + 48 H{+} + 6 BrO4{-} = 14 Al{3+} + 3 Br2 + 24 H2O
F2 + Mg = F{-} + Mg2{+} =>
F2 + 4 Mg = 2 F{-} + 2 Mg2{+}
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