| Équations équilibrées la veille | Équations équilibrées le lendemain |
Be + 2 NaOH = Na2BeO2 + H2
Fe2O3 + KNO3 + NaOH = KNO2 + Na2FeO4 + H2O =>
Fe2O3 + 3 KNO3 + 4 NaOH = 3 KNO2 + 2 Na2FeO4 + 2 H2O
CaCO3 + HCl = CaCl2 + H2CO3 =>
CaCO3 + 2 HCl = CaCl2 + H2CO3
Na4N = Na + N =>
Na4N = 4 Na + N
CuNo3 = No3 + Cu =>
CuNo3 = No3 + Cu
KMnO4 + H2X + H2SO4 = K2SO4 + MnSO4 + X + H2O =>
2 KMnO4 + 5 H2X + 3 H2SO4 = K2SO4 + 2 MnSO4 + 5 X + 8 H2O
MoO3 + FeCl3 + NH3 + H2O = Fe2(MoO4)3 + NH4Cl =>
3 MoO3 + 2 FeCl3 + 6 NH3 + 3 H2O = Fe2(MoO4)3 + 6 NH4Cl
Au3S2 + H = Au + H2S =>
Au3S2 + 4 H = 3 Au + 2 H2S
Cu2O + H2SO4 + H2O2 = CuSO4 + H2O =>
Cu2O + 2 H2SO4 + H2O2 = 2 CuSO4 + 3 H2O
Ni{2+} + Al = Al{3+} + Ni =>
3 Ni{2+} + 2 Al = 2 Al{3+} + 3 Ni
Na2MnO4 + CH3COOH = CH3COONa + MnO2 + H2O + NaMnO4 =>
3 Na2MnO4 + 4 CH3COOH = 4 CH3COONa + MnO2 + 2 H2O + 2 NaMnO4
NaAsO2 + I2 + NaHCO3 = Na2HAsO4 + NaI + CO2 + H2O =>
NaAsO2 + I2 + 3 NaHCO3 = Na2HAsO4 + 2 NaI + 3 CO2 + H2O
ZnF2 + MgSO4 = ZnSO4 + MgF2 =>
ZnF2 + MgSO4 = ZnSO4 + MgF2
B2H6 + KOH + H2O = KBO2 + H2 =>
B2H6 + 2 KOH + 2 H2O = 2 KBO2 + 6 H2
Na2SO4(aq) + H2O(l) = NaOH(aq) + H2SO4(aq) =>
Na2SO4(aq) + 2 H2O(l) = 2 NaOH(aq) + H2SO4(aq)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Fe2O3 + S = Fe + SO2 =>
2 Fe2O3 + 3 S = 4 Fe + 3 SO2
C2H5OH + KMnO4 + NaOH = CH3COOH + H2O + K2MnO4 + Na2MnO4 =>
C2H5OH + 4 KMnO4 + 4 NaOH = CH3COOH + 3 H2O + 2 K2MnO4 + 2 Na2MnO4
Bi(OH)3 + HCl = Bi(Cl)3 + H2O =>
Bi(OH)3 + 3 HCl = Bi(Cl)3 + 3 H2O
CuCl2 + H2O = CuO + HCl =>
CuCl2 + H2O = CuO + 2 HCl
(C2H5O)2P(O)MgBr + CH3MgBr = (CH3)2P(O)MgBr + MgBr(OC2H5) =>
(C2H5O)2P(O)MgBr + 2 CH3MgBr = (CH3)2P(O)MgBr + 2 MgBr(OC2H5)
Fe(OH)2 + HCl = FeCl2 + H2O =>
Fe(OH)2 + 2 HCl = FeCl2 + 2 H2O
HCu + CuSO4 = H2SO4 + Cu =>
2 HCu + CuSO4 = H2SO4 + 3 Cu
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NaNH2O2 + KI + H2SO4 = H2O + I2 + K2SO4 + NH3 + Na2SO4 = Na2S3O3 =>
2 NaNH2O2 + 8 KI + 5 H2SO4 = 4 H2O + 4 I2 + 4 K2SO4 + 2 NH3 + Na2SO4
NaC1O3 = NaC1 + O2 =>
2 NaC1O3 = 2 NaC1 + 3 O2
KNO3(s) + C(s) + S(s) = N2(g) + CO2(g) + K2S(s) =>
2 KNO3(s) + 3 C(s) + S(s) = N2(g) + 3 CO2(g) + K2S(s)
KF + CoF3 = K3[CoF6] =>
3 KF + CoF3 = K3[CoF6]
SiH4 + MgCl2 = Mg2Si + HCl =>
SiH4 + 2 MgCl2 = Mg2Si + 4 HCl
CH3COOH + O2 = CO2 + H2O =>
CH3COOH + 2 O2 = 2 CO2 + 2 H2O
Na2Cr2O7 + BaCl2 = BaCrO4 + NaCl + CrO3 =>
Na2Cr2O7 + BaCl2 = BaCrO4 + 2 NaCl + CrO3
KOH + Ba(OH)2 = KBa + OH =>
KOH + Ba(OH)2 = KBa + 3 OH
Al + Na2SO3 + H2O = Al2(S2O4)3 + NaOH =>
2 Al + 6 Na2SO3 + 6 H2O = Al2(S2O4)3 + 12 NaOH
C12H22CaO14 = C + CO2 + CaO + H2O =>
C12H22CaO14 = 11 C + CO2 + CaO + 11 H2O
C2N2(g) + F2(g) = CF4(g) + NF3(g) =>
C2N2(g) + 7 F2(g) = 2 CF4(g) + 2 NF3(g)
Ca3 = Ca4 =>
4 Ca3 = 3 Ca4
CuCl2 + NH3 + H2O = Cu(OH)2 + NH4Cl =>
CuCl2 + 2 NH3 + 2 H2O = Cu(OH)2 + 2 NH4Cl
FeCl3 + K4[Fe(CN)6] = KFe[Fe(CN)6] + KCl =>
FeCl3 + K4[Fe(CN)6] = KFe[Fe(CN)6] + 3 KCl
Ag + HCl = AgClH =>
Ag + HCl = AgClH
BH4{-} + BF3O(C2H5)2 = B3H8{-} + H2 + O(C2H5)2 + BF4{-} =>
5 BH4{-} + 4 BF3O(C2H5)2 = 2 B3H8{-} + 2 H2 + 4 O(C2H5)2 + 3 BF4{-}
Ca(HCO3)2 + KOH = K2CO3 + CaCO3 + H2O =>
Ca(HCO3)2 + 2 KOH = K2CO3 + CaCO3 + 2 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
I + N + In = INIn =>
I + N + In = INIn
KF + CoF3 = K3[CoF6] =>
3 KF + CoF3 = K3[CoF6]
Na2Br + H2SO4 = Na2SO4 + H2Br =>
Na2Br + H2SO4 = Na2SO4 + H2Br
FeCl3 + Na2CO3 = Fe2(CO3)3 + NaCl =>
2 FeCl3 + 3 Na2CO3 = Fe2(CO3)3 + 6 NaCl
Ni(NO3)2 + NaOH = Ni(OH)2 + NaNO3 =>
Ni(NO3)2 + 2 NaOH = Ni(OH)2 + 2 NaNO3
CoSO4 + KCN + H2O2 = K3(Co(CN)6) + K2SO4 + KOH =>
2 CoSO4 + 12 KCN + H2O2 = 2 K3(Co(CN)6) + 2 K2SO4 + 2 KOH
NaHSiO3 + H2SO4 = NaHSO4 + H2SiO3 =>
NaHSiO3 + H2SO4 = NaHSO4 + H2SiO3
K3PO4 + NaNO3 = KNO3 + Na3PO4 =>
K3PO4 + 3 NaNO3 = 3 KNO3 + Na3PO4
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/16/24
Équations équilibrées sur12/16/23
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