| Équations équilibrées la veille | Équations équilibrées le lendemain |
C4H10O2 + 11 HIO4 = 11 HIO3 + 5 H2O + 4 CO2
Al + Cl = AlCl3 =>
Al + 3 Cl = AlCl3
CH3C(OH)(CH3)CN + HNO3 + H2O = CH3CH2C(OH)(CH3)COOH + NH4NO3 =>
20 CH3C(OH)(CH3)CN + 14 HNO3 + 37 H2O = 16 CH3CH2C(OH)(CH3)COOH + 17 NH4NO3
BaCO3 + HNO3 = Ba(NO3)2 + CO2 + H2O =>
BaCO3 + 2 HNO3 = Ba(NO3)2 + CO2 + H2O
ClC6H4COOH + Cu(CH3COO)2 + H2O = Cu2(OOCClC6H4COOH)4(H2O)2 + CH3 =>
4 ClC6H4COOH + 2 Cu(CH3COO)2 + 2 H2O = Cu2(OOCClC6H4COOH)4(H2O)2 + 4 CH3
Cu + CuCl2 = Cu2Cl3 =>
Cu + 3 CuCl2 = 2 Cu2Cl3
Au(NO3)3 + Co = Au + Co(NO3)3 =>
Au(NO3)3 + Co = Au + Co(NO3)3
Na2CO3 + AgNO3 = NaNO3 + Ag + CO3 =>
Na2CO3 + 2 AgNO3 = 2 NaNO3 + 2 Ag + CO3
Cu(OH)2*2CuCO3 = CuO + CO2 + H2O =>
Cu(OH)2*2CuCO3 = 3 CuO + 2 CO2 + H2O
AgNO3(aq) + Mg(s) = Mg(NO3)2(ap) + Ag(s) =>
2 AgNO3(aq) + Mg(s) = Mg(NO3)2(ap) + 2 Ag(s)
F(g) + CaI(aq) = Ca + FI =>
F(g) + CaI(aq) = Ca + FI
BaO + Fe2O3 = BaFe12O19 =>
BaO + 6 Fe2O3 = BaFe12O19
N2H4(l) = NH3(g) + N2(g)N2H4(l) = NH3(g) + N2(g) =>
4 N2H4(l) = 4 NH3(g) + N2(g)N2H4(l)
NH4OH + K2SO3 = NH5O4 + K2S =>
NH4OH + K2SO3 = NH5O4 + K2S
HMnO4 + SO3 = Mn + SO4 + H2O =>
2 HMnO4 + 7 SO3 = 2 Mn + 7 SO4 + H2O
SrNO3 + H2SO4 = SrHSO4 + HNO3 =>
SrNO3 + H2SO4 = SrHSO4 + HNO3
KMnO4 + MgCl2 + H2SO4 = MnSO4 + K2SO4 + MgSO4 + Cl2 + H2O =>
2 KMnO4 + 5 MgCl2 + 8 H2SO4 = 2 MnSO4 + K2SO4 + 5 MgSO4 + 5 Cl2 + 8 H2O
K(s) + H2O(l) = KOH(aq) + H2(g) =>
2 K(s) + 2 H2O(l) = 2 KOH(aq) + H2(g)
Na + Br + H3PO4 = Na2HPO4 + HBr =>
2 Na + 2 Br + H3PO4 = Na2HPO4 + 2 HBr
Co(NO2)2 + HOH = Co(OH)2 + HNO2 =>
Co(NO2)2 + 2 HOH = Co(OH)2 + 2 HNO2
CaCl2 + (NH4)2CO3 = (NH4)Cl + CaCO3 =>
CaCl2 + (NH4)2CO3 = 2(NH4)Cl + CaCO3
BaCO3 + HNO3 = Ba(NO3)2 + CO2 + H2O =>
BaCO3 + 2 HNO3 = Ba(NO3)2 + CO2 + H2O
CH4 + O2 = CO2 + HO =>
CH4 + 3 O2 = CO2 + 4 HO
I2 + S203{-2} = I{-} + S406{-2} =>
I2 + 2 S203{-2} = 2 I{-} + S406{-2}
S2O3{2-} + H{+} = S + SO2 + H2O =>
S2O3{2-} + 2 H{+} = S + SO2 + H2O
Sr(s) + H2O(l) = Sr(OH)2(aq) + H2(g) =>
Sr(s) + 2 H2O(l) = Sr(OH)2(aq) + H2(g)
C3H7(OH) + O2 = CO2 + H2O =>
2 C3H7(OH) + 9 O2 = 6 CO2 + 8 H2O
La(NO3)3 + NaOH = La(OH)3 + NaNO3 =>
La(NO3)3 + 3 NaOH = La(OH)3 + 3 NaNO3
C + KMnO4 = K2CO3 + MnO + CO2 =>
5 C + 4 KMnO4 = 2 K2CO3 + 4 MnO + 3 CO2
HCl + Mn2O5 = MnCl2 + H2O + Cl =>
10 HCl + Mn2O5 = 2 MnCl2 + 5 H2O + 6 Cl
Cl2 + NH3 + NaOH = NaCl + H2O + N2 =>
3 Cl2 + 2 NH3 + 6 NaOH = 6 NaCl + 6 H2O + N2
FeSO4 + Cs2S = Cs2SO4 + FeS =>
FeSO4 + Cs2S = Cs2SO4 + FeS
S + Mg = MgS =>
S + Mg = MgS
CrI3 + Cl2 + NaOH = H2O + Na2CrO4 + NaCl + NaIO4 =>
2 CrI3 + 27 Cl2 + 64 NaOH = 32 H2O + 2 Na2CrO4 + 54 NaCl + 6 NaIO4
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
C3H8O2 + CH2 = C4H10O2 =>
C3H8O2 + CH2 = C4H10O2
Cl2O7Ba(OH)2 = Ba(ClO4)2H2O =>
Cl2O7Ba(OH)2 = Ba(ClO4)2H2O
Co(OH)2 + CH3COOH = Co(CH3COO)2 + H2O =>
Co(OH)2 + 2 CH3COOH = Co(CH3COO)2 + 2 H2O
Fe(OH)3 + Li2SO4 = Fe(OH)3Li2SO4 =>
Fe(OH)3 + Li2SO4 = Fe(OH)3Li2SO4
Zn(C2H3O2)2 + K3PO4 = ZnPO4 + K3(C2H3O2)2 =>
Zn(C2H3O2)2 + K3PO4 = ZnPO4 + K3(C2H3O2)2
(NH4)3(PO4) + Li(OH) = (NH4)(OH) + Li3(PO4) =>
(NH4)3(PO4) + 3 Li(OH) = 3(NH4)(OH) + Li3(PO4)
KNO3 + NaHSO4 = HNO3 + K2SO4 + Na2SO4 =>
2 KNO3 + 2 NaHSO4 = 2 HNO3 + K2SO4 + Na2SO4
OH + Cr[(C2O4)2(H2O)2] = Cr[(C2O4)2(H2O)(OH)] + H2O =>
OH + Cr[(C2O4)2(H2O)2] = Cr[(C2O4)2(H2O)(OH)] + H2O
CaO(s) + P2O5(s) = Ca3(PO4)2 =>
3 CaO(s) + P2O5(s) = Ca3(PO4)2
SCl2 + NaF(s) = S2Cl2(l) + SF4(g) + NaCl(s) =>
3 SCl2 + 4 NaF(s) = S2Cl2(l) + SF4(g) + 4 NaCl(s)
Cr2O3 + H2O2 + OH{-} = CrO4{2-} + H2O =>
Cr2O3 + 3 H2O2 + 4 OH{-} = 2 CrO4{2-} + 5 H2O
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
HSO4 + Cu(OH)2 = H2O + Cu(SO4)2 =>
2 HSO4 + Cu(OH)2 = 2 H2O + Cu(SO4)2
N2 + H{+} + e = NH4 =>
N2 + 8 H{+} + 8e = 2 NH4
Fe(OH)3 + NaBr = FeBr3 + Na(OH) =>
Fe(OH)3 + 3 NaBr = FeBr3 + 3 Na(OH)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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