| Équations équilibrées la veille | Équations équilibrées le lendemain |
Sn + NaOH + 2 H2O = Na[Sn(OH)3] + H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
UF4 + F = UF6 =>
UF4 + 2 F = UF6
KI + KNO3 + HCl = I2 + KCl + NO + H2O =>
6 KI + 2 KNO3 + 8 HCl = 3 I2 + 8 KCl + 2 NO + 4 H2O
HI + KOH = K + HIOH =>
HI + KOH = K + HIOH
HIO3 + FeI2 + HCl = FeCl2 + ICl + H2O =>
HIO3 + FeI2 + 5 HCl = FeCl2 + 3 ICl + 3 H2O
BaCO3 + H3PO4 = BaH2 + (CO3)3(PO4)2 =>
3 BaCO3 + 2 H3PO4 = 3 BaH2 + (CO3)3(PO4)2
K(s) + H2O(g) = KH2O =>
K(s) + H2O(g) = KH2O
Zn{2+} + OH{-} + NH3 = Zn + N2 + H2O =>
3 Zn{2+} + 6 OH{-} + 2 NH3 = 3 Zn + N2 + 6 H2O
K2Cr2O7 + (NH4)2SO4*FeSO4 + H2SO4 = K2SO4 + (NH4)2SO4 + Fe2(SO4)3 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 6(NH4)2SO4*FeSO4 + 7 H2SO4 = K2SO4 + 6(NH4)2SO4 + 3 Fe2(SO4)3 + Cr2(SO4)3 + 7 H2O
Li(s) + Br2(g) = LiBr(s) =>
2 Li(s) + Br2(g) = 2 LiBr(s)
O2(aq) = O3(aq) =>
3 O2(aq) = 2 O3(aq)
Co(OH)3 + NaOH = NaCoO2 + H2O =>
Co(OH)3 + NaOH = NaCoO2 + 2 H2O
HNO3 + C4H11N = NO3 + C4H12N =>
HNO3 + C4H11N = NO3 + C4H12N
FeO + HCl = Fe(OH2) + Cl =>
FeO + 2 HCl = Fe(OH2) + 2 Cl
K3PO4 + HClO4 = KClO4 + H3PO4 =>
K3PO4 + 3 HClO4 = 3 KClO4 + H3PO4
Ca(OH)2 + HClO = Ca(ClO)2 + H2O =>
Ca(OH)2 + 2 HClO = Ca(ClO)2 + 2 H2O
NH3 + Cr(NO3)3 = Cr(NH3)6(NO3)3 =>
6 NH3 + Cr(NO3)3 = Cr(NH3)6(NO3)3
CO2 + Ba + OH = BaCO3 + H2O =>
CO2 + Ba + 2 OH = BaCO3 + H2O
NaHCO3(s) + C6H8O7(s) = Na3C6H5O7(aq) + CO2(g) + H2O(l) =>
3 NaHCO3(s) + C6H8O7(s) = Na3C6H5O7(aq) + 3 CO2(g) + 3 H2O(l)
Na2S2O4 + H2CrO4 + H2SO4 = Cr2(SO4)3 + NaSO4 + H2O =>
3 Na2S2O4 + 8 H2CrO4 + 12 H2SO4 = 4 Cr2(SO4)3 + 6 NaSO4 + 20 H2O
CaOHNO3 + HCl = Ca(NO3)2 + H2O + CaCl2 =>
2 CaOHNO3 + 2 HCl = Ca(NO3)2 + 2 H2O + CaCl2
CdSO4 + H2O = H2SO4 + O2 + Cd =>
2 CdSO4 + 2 H2O = 2 H2SO4 + O2 + 2 Cd
Fe3O4 + O2 + SO2 = Fe2O3*SO3 =>
2 Fe3O4 + 2 O2 + 3 SO2 = 3 Fe2O3*SO3
NaOH(aq) + H2SO4(s) = Na2SO4(aq) + H2O(l) =>
2 NaOH(aq) + H2SO4(s) = Na2SO4(aq) + 2 H2O(l)
e + H{+} + N2 = N2H4 =>
4e + 4 H{+} + N2 = N2H4
Cr2O7{-2} + Br{-} + H{+} = Cr{+} + H2O + Br2 =>
Cr2O7{-2} + 10 Br{-} + 14 H{+} = 2 Cr{+} + 7 H2O + 5 Br2
KCl + NiCO3 + HSO3NH2 = K2[NiCl2(SO3NH2)2] + H2O + CO2 =>
2 KCl + NiCO3 + 2 HSO3NH2 = K2[NiCl2(SO3NH2)2] + H2O + CO2
HCl2 + OH = HCl4 + OH2 =>
2 HCl2 + OH = HCl4 + OH2
NO2{-} + e + H{+} = NH4{+} + H2O =>
NO2{-} + 6e + 8 H{+} = NH4{+} + 2 H2O
Ni(NO3)2 + NaS2 = NiS2 + Na(NO3)2 =>
Ni(NO3)2 + NaS2 = NiS2 + Na(NO3)2
MgO + Cl = MgCl2 + O =>
MgO + 2 Cl = MgCl2 + O
S8 + OH{-} = S{2-} + S2O3{2-} + H2O =>
S8 + 12 OH{-} = 4 S{2-} + 2 S2O3{2-} + 6 H2O
Pb + P = Pb1P =>
Pb + P = Pb1P
NaBr + Ca(NO3)2 = Na(NO3)2 + BrCa =>
NaBr + Ca(NO3)2 = Na(NO3)2 + BrCa
BeO + MgO = BeMgO2 =>
BeO + MgO = BeMgO2
BaCl2(aq) + NaOH(aq) = Ba(OH)2 + (NaCl) =>
BaCl2(aq) + 2 NaOH(aq) = Ba(OH)2 + 2(NaCl)
K2CrO4 + Ag2NO3 = Ag2CrO4 + K2NO3 =>
K2CrO4 + Ag2NO3 = Ag2CrO4 + K2NO3
U3O8 + KNO3 + HCl = UO2(Cl2) + NO + KCl + H2O =>
3 U3O8 + 2 KNO3 + 20 HCl = 9 UO2(Cl2) + 2 NO + 2 KCl + 10 H2O
H2 + ICl = I + HCl =>
H2 + 2 ICl = 2 I + 2 HCl
[KMnO4]2 + CaCl2 + Se = Ca[SeO4]2 + KCl + Mn =>
[KMnO4]2 + CaCl2 + 2 Se = Ca[SeO4]2 + 2 KCl + 2 Mn
C2H4 + O2 = C2O + H2 =>
2 C2H4 + O2 = 2 C2O + 4 H2
KCl + H2SO4 + MnO2 = KHSO4 + MnSO4 + Cl2 + H2O =>
2 KCl + 3 H2SO4 + MnO2 = 2 KHSO4 + MnSO4 + Cl2 + 2 H2O
Mg(HCO3) = Mg2CO3 + H2CO3 =>
2 Mg(HCO3) = Mg2CO3 + H2CO3
I2 + SO2 + H2O = I{-} + SO42{-} + H3O{+} =>
79 I2 + 2 SO2 + 240 H2O = 158 I{-} + 2 SO42{-} + 160 H3O{+}
W2O5 = W + O =>
W2O5 = 2 W + 5 O
Cu(CH3COO)2H20 + NH2CH2COOH = [Cu(NH2CH2COO)2]H20 + CH3COOH =>
Cu(CH3COO)2H20 + 2 NH2CH2COOH = [Cu(NH2CH2COO)2]H20 + 2 CH3COOH
AsH3 + H3AsO4 = H3AsO3 =>
AsH3 + 3 H3AsO4 = 4 H3AsO3
K2Cr2O7 + H2SO4 + NaNO2 = K2SO4 + Cr2(SO4)3 + NaNO3 + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 NaNO2 = K2SO4 + Cr2(SO4)3 + 3 NaNO3 + 4 H2O
K2MnO4 + NaNO2 + H2SO4 = MnSO4 + Na2SO4 + HNO3 + K2SO4 + H2O =>
K2MnO4 + 2 NaNO2 + 3 H2SO4 = MnSO4 + Na2SO4 + 2 HNO3 + K2SO4 + 2 H2O
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Équations équilibrées sur12/13/24
Équations équilibrées sur01/12/24
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