| Équations équilibrées la veille | Équations équilibrées le lendemain |
MnO3(s) + 6 HCl = MnCl2(ac) + 2 Cl2(g) + 3 H2O(l)
C3H5(OH)3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2(SO4) + CO2 + H2O =>
3 C3H5(OH)3 + 7 K2Cr2O7 + 28 H2SO4 = 7 Cr2(SO4)3 + 7 K2(SO4) + 9 CO2 + 40 H2O
ZnCl2 + (NH4)2S = ZnS + NH4Cl =>
ZnCl2 + (NH4)2S = ZnS + 2 NH4Cl
Pb(C2H5)4 + O2 = PbO + CO2 + H2O =>
2 Pb(C2H5)4 + 27 O2 = 2 PbO + 16 CO2 + 20 H2O
Ba + Cl2 = BaCl2 =>
Ba + Cl2 = BaCl2
H2C2O4 + O2 = CO2 + H2O =>
2 H2C2O4 + O2 = 4 CO2 + 2 H2O
Cu{+2} + I{-} + SO3{2-} + H2O = CuI + SO4{2-} + H{+} =>
2 Cu{+2} + 2 I{-} + SO3{2-} + H2O = 2 CuI + SO4{2-} + 2 H{+}
H3(PO4) + H2O = H3O + (PO4)3 =>
3 H3(PO4) + 9 H2O = 9 H3O + (PO4)3
Fe2(O3) + C = Fe + CO2 =>
2 Fe2(O3) + 3 C = 4 Fe + 3 CO2
C2H6O + H2O2 = C2H4O + H2O =>
C2H6O + H2O2 = C2H4O + 2 H2O
Na2CO3 + (HCl) = NaCl + CO2 + H2O =>
Na2CO3 + 2(HCl) = 2 NaCl + CO2 + H2O
K2Cr2O7 + H2SO4 = K2SO4 + Cr(SO4)2 + H2O + O2 =>
K2Cr2O7 + 5 H2SO4 = K2SO4 + 2 Cr(SO4)2 + 5 H2O + O2
Zn(No3)2 + Na2S = ZnS + NaNo3 =>
Zn(No3)2 + Na2S = ZnS + 2 NaNo3
Cu + AgCl = Ag + CuCl2 =>
Cu + 2 AgCl = 2 Ag + CuCl2
FeCO3 + HNO3 = CO2 + Fe(NO3)2 + H2O =>
FeCO3 + 2 HNO3 = CO2 + Fe(NO3)2 + H2O
Cr2O3 + NO3{-} + CO3({2-}) = CrO4{2-}{-} + NO2{-} + CO2 =>
Cr2O3 + 3 NO3{-} + 2 CO3({2-}) = 2 CrO4{2-}{-} + 3 NO2{-} + 2 CO2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Zn + NH3*H2O = Zn(NH3)4(OH)2 + H2 + H2O =>
Zn + 4 NH3*H2O = Zn(NH3)4(OH)2 + H2 + 2 H2O
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Ba(HCO3)2 = BaCO3 + H2O + CO2 =>
Ba(HCO3)2 = BaCO3 + H2O + CO2
CH3CH2CHOHCH2OH + CH3CH2COOH = CH3CH2COOCH2CH3 + H2O =>
4 CH3CH2CHOHCH2OH + 3 CH3CH2COOH = 5 CH3CH2COOCH2CH3 + 4 H2O
LiOHFe(NO3)3 = Fe(OH)Li(NO3)3 =>
LiOHFe(NO3)3 = Fe(OH)Li(NO3)3
Al + Ca(OH)2 + H2O = Ca[Al(OH)4]2 + H2 =>
2 Al + Ca(OH)2 + 6 H2O = Ca[Al(OH)4]2 + 3 H2
H2SO + NaOH = H2NaSOOH =>
H2SO + NaOH = H2NaSOOH
AgNO3 + Na3PO4 = AgPO4 + NO3Na3 =>
AgNO3 + Na3PO4 = AgPO4 + NO3Na3
HNO3 + KHO = KNO3 + H2O =>
HNO3 + KHO = KNO3 + H2O
FeS3 + NO3{-} + H{+} = Fe{+} + SO4{-}2 + NO + H2O =>
3 FeS3 + 22 NO3{-} + 16 H{+} = 3 Fe{+} + 9 SO4{-}2 + 22 NO + 8 H2O
Ce{+4} + As{+3} = Ce{+3} + As{+5} =>
2 Ce{+4} + As{+3} = 2 Ce{+3} + As{+5}
C5H10O(l) + O2(g) = C5H10O(l)O2(g) =>
C5H10O(l) + O2(g) = C5H10O(l)O2(g)
KNO3 + H2SO4 = KHSO4 + HNO3 =>
KNO3 + H2SO4 = KHSO4 + HNO3
Mn(SO4) + (NH4)2SO2 = MnSO2 + (NH4)2SO4 =>
Mn(SO4) + (NH4)2SO2 = MnSO2 + (NH4)2SO4
NH3 + O2 = H2O + N2 =>
4 NH3 + 3 O2 = 6 H2O + 2 N2
Ni + Si = NiSi =>
Ni + Si = NiSi
AgNO3 + C4H9Br = AgBr + C4H9NO3 =>
AgNO3 + C4H9Br = AgBr + C4H9NO3
H2 + Ta2O3 = Ta + H2O =>
3 H2 + Ta2O3 = 2 Ta + 3 H2O
Br2 + O2 = Br7O2 =>
7 Br2 + 2 O2 = 2 Br7O2
NH3 + HNO3 = H2O + N2 =>
5 NH3 + 3 HNO3 = 9 H2O + 4 N2
Li2O + O2 = Li2O2 =>
2 Li2O + O2 = 2 Li2O2
Ba(OH)2 + H3PO4 = BaHPO4 + H2O =>
Ba(OH)2 + H3PO4 = BaHPO4 + 2 H2O
Fe(NH4)2(SO4)2(H2O)6 + H2C2O4 + K2C2O4 + H2O2 = K3Fe(C2O4)3(H2O)3 + (NH4)2SO4 + H2SO4 + H2O =>
2 Fe(NH4)2(SO4)2(H2O)6 + 3 H2C2O4 + 3 K2C2O4 + H2O2 = 2 K3Fe(C2O4)3(H2O)3 + 2(NH4)2SO4 + 2 H2SO4 + 8 H2O
Li3N + NH4NO3 = LiNO3 + (NH4)3N =>
Li3N + 3 NH4NO3 = 3 LiNO3 + (NH4)3N
K2Cr2O7 + H2O2 + KOH = K3[Cr(OH)6] + O2 =>
2 K2Cr2O7 + 8 H2O2 + 8 KOH = 4 K3[Cr(OH)6] + 7 O2
CH3COOH + CH3NH2 = CH3COO{-} + CH3NH3{+} =>
CH3COOH + CH3NH2 = CH3COO{-} + CH3NH3{+}
Bi2(CO3)3 + CH3COOH = Bi(CH3COO)3 + H2CO3 =>
Bi2(CO3)3 + 6 CH3COOH = 2 Bi(CH3COO)3 + 3 H2CO3
Cr2O3 + NaOH + H2O = Na3Cr(OH)6 =>
Cr2O3 + 6 NaOH + 3 H2O = 2 Na3Cr(OH)6
(NH4)2SO3 + NaOH = NH4OH + Na2SO3 =>
(NH4)2SO3 + 2 NaOH = 2 NH4OH + Na2SO3
HCIO = HCI + O =>
HCIO = HCI + O
Pm + O2 = PmO =>
2 Pm + O2 = 2 PmO
Na2B4O7*10H2O = H3BO3 + NaOH + H2O =>
Na2B4O7*10H2O = 4 H3BO3 + 2 NaOH + 3 H2O
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Équations équilibrées sur12/22/24
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