| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
I2 + H2SO3 + H2O = I{-} + HSO4{-} + H{+} =>
I2 + H2SO3 + H2O = 2 I{-} + HSO4{-} + 3 H{+}
FeCl3 + NH3 = FeCl3NH3 =>
FeCl3 + NH3 = FeCl3NH3
Fe(OH)3 + Na2O = Na3FeO3 + H2O =>
2 Fe(OH)3 + 3 Na2O = 2 Na3FeO3 + 3 H2O
NaMnO4 + K2SO3 + H2O = MnO2 + K2SO4 + KOH + Na2SO4 =>
2 NaMnO4 + 3 K2SO3 + H2O = 2 MnO2 + 2 K2SO4 + 2 KOH + Na2SO4
C7H8O + Br2 = C7H6OBr3 + HBr =>
2 C7H8O + 5 Br2 = 2 C7H6OBr3 + 4 HBr
Fe(CH3COO)2 + NH3 = CH3COOH + Fe + N2 =>
3 Fe(CH3COO)2 + 2 NH3 = 6 CH3COOH + 3 Fe + N2
KBrO3 + HCl = KCl + Br2 + Cl2 + H2O =>
2 KBrO3 + 12 HCl = 2 KCl + Br2 + 5 Cl2 + 6 H2O
Fe(OH)2 + K2CO3 = KOH + FeCO3 =>
Fe(OH)2 + K2CO3 = 2 KOH + FeCO3
Cu(s) + AgNO3(aq) = CuNO3(aq) + Ag(s) =>
Cu(s) + AgNO3(aq) = CuNO3(aq) + Ag(s)
C + H2O + Cl = C12H7Cl3 + O2 =>
48 C + 14 H2O + 12 Cl = 4 C12H7Cl3 + 7 O2
C3H6O + KMnO4 + H2SO4 = CH3COOH + K2SO4 + MnSO4 + H2O =>
10 C3H6O + 8 KMnO4 + 12 H2SO4 = 15 CH3COOH + 4 K2SO4 + 8 MnSO4 + 12 H2O
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
CrCl2 + NaOAc + H2O = Cr2(OAc)4(H2O)2 + NaCl =>
2 CrCl2 + 4 NaOAc + 2 H2O = Cr2(OAc)4(H2O)2 + 4 NaCl
CrCl2 + H2SO4 = Cr2(SO4)3 + S + HCl + H2O =>
6 CrCl2 + 10 H2SO4 = 3 Cr2(SO4)3 + S + 12 HCl + 4 H2O
ReF6 + SiO2 = SiF4 + ReOF4 =>
2 ReF6 + SiO2 = SiF4 + 2 ReOF4
LiNO3 = LiNO2 + O2 =>
2 LiNO3 = 2 LiNO2 + O2
NH4NO3 + Na3PO4 = (NH4)3PO4 + NaNO3 =>
3 NH4NO3 + Na3PO4 = (NH4)3PO4 + 3 NaNO3
KMnO4 + H2SO4 + CH3CHO = K2SO4 + MnSO4 + CH3COOH + H2O =>
2 KMnO4 + 3 H2SO4 + 5 CH3CHO = K2SO4 + 2 MnSO4 + 5 CH3COOH + 3 H2O
CaO + SO2 = Ca2(SO3)2 =>
2 CaO + 2 SO2 = Ca2(SO3)2
C6H5NO + N2H4 = C6H5NH2 + N2 + H2O =>
C6H5NO + N2H4 = C6H5NH2 + N2 + H2O
Copper(I)sulfide + oxygen = Copper + Sulfurdioxide =>
Cu2S + O2 = 2 Cu + SO2
CH3OOH + O2 = H2O + CH3OO =>
4 CH3OOH + O2 = 2 H2O + 4 CH3OO
Hg2(NO3)2 + NaCI = Hg2(CI)2 + NaNO3 =>
Hg2(NO3)2 + 2 NaCI = Hg2(CI)2 + 2 NaNO3
MgI + AgNO2 = MgNO2 + AgI =>
MgI + AgNO2 = MgNO2 + AgI
Fe(lll)2O3 + H2SO4 = Fe(lll)2(SO4)3 + H2O =>
Fe(lll)2O3 + 3 H2SO4 = Fe(lll)2(SO4)3 + 3 H2O
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
Sn(OH)2SiO2 = SnSiO3 + H2O =>
Sn(OH)2SiO2 = SnSiO3 + H2O
N2 + O2 = N2O3 =>
2 N2 + 3 O2 = 2 N2O3
K2CO3 + CO2 + H2O = CHKO3 =>
K2CO3 + CO2 + H2O = 2 CHKO3
Ag(NO3)2 = Ag + NO2 + O2 =>
Ag(NO3)2 = Ag + 2 NO2 + O2
KCl + Na3(Co(NO2)6) = Na2K(Co(NO2)6) + NaCl =>
KCl + Na3(Co(NO2)6) = Na2K(Co(NO2)6) + NaCl
KCl + H2O = KCl*H2O =>
KCl + H2O = KCl*H2O
K2Cr2(O7) + H2O + S = S(O2)KOH + Cr2(O2) =>
K2Cr2(O7) + H2O + 2 S = 2 S(O2)KOH + Cr2(O2)
Ti + HF + HNO3 = HTiF6 + HNO2 + H2O =>
2 Ti + 12 HF + 5 HNO3 = 2 HTiF6 + 5 HNO2 + 5 H2O
Y3O4 + Fe3O4 = Fe2YO4 =>
Y3O4 + 2 Fe3O4 = 3 Fe2YO4
Na2CO3 + CaI2 = NaI + CaCO3 =>
Na2CO3 + CaI2 = 2 NaI + CaCO3
KIO3 + KI + H3SO4 = K2SO4 + I2 + H2O =>
KIO3 + 3 KI + 2 H3SO4 = 2 K2SO4 + 2 I2 + 3 H2O
Na + Mg{2+} = Mg + Na{+} =>
2 Na + Mg{2+} = Mg + 2 Na{+}
Ba(ClO3)2(aq) + Na2S(aq) = BaS(s) + NaClO3(aq) =>
Ba(ClO3)2(aq) + Na2S(aq) = BaS(s) + 2 NaClO3(aq)
C3H4N4 + C7H8 = C60 + NH3 =>
6 C3H4N4 + 6 C7H8 = C60 + 24 NH3
NaOH + Sn(OH)4 = Na2SnO3 + H2O =>
2 NaOH + Sn(OH)4 = Na2SnO3 + 3 H2O
Pb + Fe{+2} = Pb{+2} + Fe =>
Pb + Fe{+2} = Pb{+2} + Fe
N2O5 + H2O = N2O3 + OH =>
N2O5 + 2 H2O = N2O3 + 4 OH
KMnO4 + ZnCl2 = KCl + Zn(MnO4)2 =>
2 KMnO4 + ZnCl2 = 2 KCl + Zn(MnO4)2
C8H11N + O2 = CO2 + H2O + NH3 =>
C8H11N + 10 O2 = 8 CO2 + 4 H2O + NH3
K2CrO7 + FeSO4 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + K2SO4 + H2O =>
2 K2CrO7 + 18 FeSO4 + 14 H2SO4 = Cr2(SO4)3 + 9 Fe2(SO4)3 + 2 K2SO4 + 14 H2O
(NH4)2S + NiCl2 = (NH4)2Cl2 + NiS =>
(NH4)2S + NiCl2 = (NH4)2Cl2 + NiS
FeSCN{2+} + NaF = NaSCN + FeF{2+} =>
FeSCN{2+} + NaF = NaSCN + FeF{2+}
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