| Équations équilibrées la veille | Équations équilibrées le lendemain |
K + Al + 4 H2O = KAl(OH)4 + 2 H2
Fe2O3(s) + Al(s) = Al2O3(s) + Fe(l) =>
Fe2O3(s) + 2 Al(s) = Al2O3(s) + 2 Fe(l)
HF + Mg(ClO4)2 = MgF2 + HClO4 =>
2 HF + Mg(ClO4)2 = MgF2 + 2 HClO4
KI(aq) + FeCl3(aq) = FeI3() + KCl() =>
3 KI(aq) + FeCl3(aq) = FeI3() + 3 KCl()
Fe(II) + HCl = Fe(II)Cl2 + H2 =>
Fe(II) + 2 HCl = Fe(II)Cl2 + H2
CaF2 + H2SO4 = CaSO4 + HF =>
CaF2 + H2SO4 = CaSO4 + 2 HF
C2HO2 + NH3 = C2H2 + H2O + N2 =>
6 C2HO2 + 10 NH3 = 6 C2H2 + 12 H2O + 5 N2
CaCl + NaHPO4 = CaHPO4 + NaCl =>
CaCl + NaHPO4 = CaHPO4 + NaCl
Li2O + HCl = LiCl + H2O =>
Li2O + 2 HCl = 2 LiCl + H2O
C2H3O2 + FeCl3 = Fe(C2H3O2)3 + Cl =>
3 C2H3O2 + FeCl3 = Fe(C2H3O2)3 + 3 Cl
FeCl3 + KCN = Fe(CN)Cl2 + KCl =>
FeCl3 + KCN = Fe(CN)Cl2 + KCl
C19 + H28 + O2 = C19H28O2 =>
C19 + H28 + O2 = C19H28O2
Ba(OH)2 + NH4CNS = NH4(OH) + Ba(CNS)2 =>
Ba(OH)2 + 2 NH4CNS = 2 NH4(OH) + Ba(CNS)2
Cr2O3 + CCO4{2-} + PbO2 = CrO4{2-} + CO2 + PbO =>
Cr2O3 + 2 CCO4{2-} + 5 PbO2 = 2 CrO4{2-} + 4 CO2 + 5 PbO
I{-}(aq) + NO2(aq) + H{+} = I2(s) + NO(g) + H2O =>
2 I{-}(aq) + NO2(aq) + 2 H{+} = I2(s) + NO(g) + H2O
K2CrO4 + H2SO4 + SO2 = K2SO4 + Cr2(SO4)3 + H2O =>
2 K2CrO4 + 2 H2SO4 + 3 SO2 = 2 K2SO4 + Cr2(SO4)3 + 2 H2O
FeC2O4*H2O + O2 = FeO3 + H2O + CO2 =>
2 FeC2O4*H2O + 3 O2 = 2 FeO3 + 2 H2O + 4 CO2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
MgCl + KOH = KCl + MgOH =>
MgCl + KOH = KCl + MgOH
KClO4 + C6H5COONa = KCl + Na + CO2 + H2O =>
29 KClO4 + 8 C6H5COONa = 29 KCl + 8 Na + 56 CO2 + 20 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
KMnO4 + H2SO4 + C2O4Na2 = K2SO4 + MnSO4 + Na2SO4 + H2O + CO2 =>
2 KMnO4 + 8 H2SO4 + 5 C2O4Na2 = K2SO4 + 2 MnSO4 + 5 Na2SO4 + 8 H2O + 10 CO2
Al + KOH = KAl(OH)4 + K =>
Al + 4 KOH = KAl(OH)4 + 3 K
VTe2 + O2 = TeO2 + VO =>
2 VTe2 + 5 O2 = 4 TeO2 + 2 VO
Fe0{3} + CO = Fe + CO{2} =>
2 Fe0{3} + 3 CO = 2 Fe + 3 CO{2}
Na2SiO3 + H2O = Na2SiO3*H2O =>
Na2SiO3 + H2O = Na2SiO3*H2O
MgSO4*7H2O + CaX2*H2O = CaSO4 + MgX2 + H2O =>
MgSO4*7H2O + CaX2*H2O = CaSO4 + MgX2 + 8 H2O
Mg + HNO3 = Mg(NO3) + N2O + H2O =>
8 Mg + 10 HNO3 = 8 Mg(NO3) + N2O + 5 H2O
CH3COOOH + Fe = Fe2O3 + CH3COOH =>
3 CH3COOOH + 2 Fe = Fe2O3 + 3 CH3COOH
CH3 = CH2 + H2 =>
2 CH3 = 2 CH2 + H2
MnO + H2O = H2O2 + MnOH =>
2 MnO + 2 H2O = H2O2 + 2 MnOH
H3PO4 + HBr = P4 + Br2 + H2O =>
4 H3PO4 + 20 HBr = P4 + 10 Br2 + 16 H2O
Cr2O3 + NaOH + Br2 = Na2CrO4 + NaBr + H2O =>
Cr2O3 + 10 NaOH + 3 Br2 = 2 Na2CrO4 + 6 NaBr + 5 H2O
Al(OH)3 + KHSO4 = Al2(SO4)3 + K2SO4 + H2O =>
2 Al(OH)3 + 6 KHSO4 = Al2(SO4)3 + 3 K2SO4 + 6 H2O
(K)2O + H2O = (K)2H2O2 =>
(K)2O + H2O = (K)2H2O2
Na2O4 + HCl = Na2(OH)2 + ClO =>
Na2O4 + 2 HCl = Na2(OH)2 + 2 ClO
KCN + Fe(OH)2 = K4Fe(CN)6 + KOH =>
6 KCN + Fe(OH)2 = K4Fe(CN)6 + 2 KOH
Fe(NO3)2 + NaHSO4 = Fe2(SO4)3 + Fe(NO3)3 + Na2SO4 + NO + H2O =>
9 Fe(NO3)2 + 12 NaHSO4 = 2 Fe2(SO4)3 + 5 Fe(NO3)3 + 6 Na2SO4 + 3 NO + 6 H2O
MnO4{-} + H{+} + ClO3{-} = ClO4{-} + Mn{2+} + H2O =>
2 MnO4{-} + 6 H{+} + 5 ClO3{-} = 5 ClO4{-} + 2 Mn{2+} + 3 H2O
Mg3Al2Si3O12 + Mg2Al4Si5O18 = MgSiO3 + Al2SiO5 =>
Mg3Al2Si3O12 + Mg2Al4Si5O18 = 5 MgSiO3 + 3 Al2SiO5
Ag3N + Ni = Ni3N2 + Ag =>
2 Ag3N + 3 Ni = Ni3N2 + 6 Ag
MgO + H2S = Mg(OH)2 + MgS =>
2 MgO + H2S = Mg(OH)2 + MgS
Fe{3+}(aq) + HPO4{2-} = Fe2(HPO4)3 =>
2 Fe{3+}(aq) + 3 HPO4{2-} = Fe2(HPO4)3
CH3CHO + K2Cr2O7 + H2SO4 = CH3COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH3CHO + K2Cr2O7 + 4 H2SO4 = 3 CH3COOH + K2SO4 + Cr2(SO4)3 + 4 H2O
Mg + HCl1 = MgCl2 + H2 =>
Mg + 2 HCl1 = MgCl2 + H2
KH2PO4 + NaOH + NaCl = Na2HPO4 + H2O + KCl =>
KH2PO4 + NaOH + NaCl = Na2HPO4 + H2O + KCl
CH3CSNH2 + H2O = CH3CONH2 + SH2 =>
CH3CSNH2 + H2O = CH3CONH2 + SH2
HNO3 + Ca(OH)2 = CaNO3 + H2O + O =>
2 HNO3 + 2 Ca(OH)2 = 2 CaNO3 + 3 H2O + O
S8(l) + O2(g) = SO2(g) =>
S8(l) + 8 O2(g) = 8 SO2(g)
AsNO3 + CaCl2 = AsCl + Ca(NO3)2 =>
2 AsNO3 + CaCl2 = 2 AsCl + Ca(NO3)2
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Équations équilibrées sur12/25/24
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