| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe + Cu(NO3)2 = Fe(NO3)2 + Cu
Mg(s) + HCl(ag) = MgCl2 + H2 =>
Mg(s) + 2 HCl(ag) = MgCl2 + H2
Ba(CN)2 + Co(CHO2)3 = Co(CN)3 + Ba(CHO2)2 =>
3 Ba(CN)2 + 2 Co(CHO2)3 = 2 Co(CN)3 + 3 Ba(CHO2)2
KCl + Na2S = NaCl + K2S =>
2 KCl + Na2S = 2 NaCl + K2S
NaO + H2O = NaOH + OH =>
NaO + H2O = NaOH + OH
Fe3O42 + H2 = Fe2 + H2O =>
2 Fe3O42 + 84 H2 = 3 Fe2 + 84 H2O
MgCO3 + H2SO4 = MgSO4 + CO2 + H2O =>
MgCO3 + H2SO4 = MgSO4 + CO2 + H2O
C7H6O3 + CH4O = C8H8O3 + H2O =>
C7H6O3 + CH4O = C8H8O3 + H2O
Br2 + SnS2 = SnBr4 + S8 =>
8 Br2 + 4 SnS2 = 4 SnBr4 + S8
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C6H10 + O2 = CO2 + H2O =>
2 C6H10 + 17 O2 = 12 CO2 + 10 H2O
CuCl2(aq) + Na2CO3(aq) = CuNa2(aq) + Cl2CO3(aq) =>
CuCl2(aq) + Na2CO3(aq) = CuNa2(aq) + Cl2CO3(aq)
NaSO4(aq) + Ba(NO3)2(aq) = Na(NO3)2(aq) + BaSO4(s) =>
NaSO4(aq) + Ba(NO3)2(aq) = Na(NO3)2(aq) + BaSO4(s)
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
CH4 + O2 = H2COO + H2O =>
2 CH4 + 3 O2 = 2 H2COO + 2 H2O
C2H4 + Ca(NO3)2 = N2 + Ca(HCO3)2 + H2 =>
C2H4 + Ca(NO3)2 = N2 + Ca(HCO3)2 + H2
Cr(OH){4-} + H2O2 = CrO4{2-} + H2O + OH{-} =>
2 Cr(OH){4-} + 9 H2O2 = 2 CrO4{2-} + 8 H2O + 4 OH{-}
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
Mg + HNO3 = Mg(NO3)2 + NH3 + H2O =>
4 Mg + 9 HNO3 = 4 Mg(NO3)2 + NH3 + 3 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Mg(s) + Zn(NO3)2(aq) = Mg(NO3)2 + Zn =>
Mg(s) + Zn(NO3)2(aq) = Mg(NO3)2 + Zn
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
(NH4)3PO4 + Ca(NO3)2 = NH4NO3 + Ca3(PO4)2 =>
2(NH4)3PO4 + 3 Ca(NO3)2 = 6 NH4NO3 + Ca3(PO4)2
C2H5(OH) + O2 = CO2 + H2O =>
C2H5(OH) + 3 O2 = 2 CO2 + 3 H2O
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Na4P2O7 + HOH = NaOH + H4P2O7 =>
Na4P2O7 + 4 HOH = 4 NaOH + H4P2O7
W2O6 + H = W + H2O =>
W2O6 + 12 H = 2 W + 6 H2O
Li + K(OH) = K + Li(OH) =>
Li + K(OH) = K + Li(OH)
Mo(SO3)3 + IrCl4 = Ir(SO3)2 + MoCl6 =>
2 Mo(SO3)3 + 3 IrCl4 = 3 Ir(SO3)2 + 2 MoCl6
Na2CO3 + CaCl2 = CaCO3 + NaCl =>
Na2CO3 + CaCl2 = CaCO3 + 2 NaCl
HNO3 + NH3 = NHHNO2 + H2O =>
HNO3 + NH3 = NHHNO2 + H2O
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
(NH4)2S2O8 + H2O = H2SO4 + (NH4)2SO4 + (O) =>
(NH4)2S2O8 + H2O = H2SO4 + (NH4)2SO4 + (O)
Ni(s) + HI(aq) = NiI + H =>
Ni(s) + HI(aq) = NiI + H
CH6 + O2 = CO2 + H2O =>
2 CH6 + 5 O2 = 2 CO2 + 6 H2O
AgCO3 + H2SO4 = AgSO4 + H2CO3 =>
AgCO3 + H2SO4 = AgSO4 + H2CO3
CO(NO3)2(aq) + H2S(g) = COS(s) + HNO3(aq) =>
CO(NO3)2(aq) + H2S(g) = COS(s) + 2 HNO3(aq)
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
K2Cl2 + O2 = K(ClO3) =>
K2Cl2 + 3 O2 = 2 K(ClO3)
FeO + HCl = FeCl2 + H2O =>
FeO + 2 HCl = FeCl2 + H2O
Al + Na2SO4 = Al(SO4) + Na =>
Al + Na2SO4 = Al(SO4) + 2 Na
K2Cr2O7 + KOH + (NH4)2S + H2O = S + NH3 + K3[Cr(OH)6] =>
K2Cr2O7 + 4 KOH + 3(NH4)2S + H2O = 3 S + 6 NH3 + 2 K3[Cr(OH)6]
Al2(SO4)3 + Sr(NO3)2 = Al(NO3)3 + Sr(SO4) =>
Al2(SO4)3 + 3 Sr(NO3)2 = 2 Al(NO3)3 + 3 Sr(SO4)
BaI2 + Fe2(SO4)3 = BaSO4 + FeI3 =>
3 BaI2 + Fe2(SO4)3 = 3 BaSO4 + 2 FeI3
Cr2O5 + Al = Al2O3 + Cr =>
3 Cr2O5 + 10 Al = 5 Al2O3 + 6 Cr
S6O2 + H2O = H2S6O3 =>
S6O2 + H2O = H2S6O3
Cr(MnO4)2 + H3AsO3 = Cr3(AsO3)2 + HMnO4 =>
3 Cr(MnO4)2 + 2 H3AsO3 = Cr3(AsO3)2 + 6 HMnO4
FeBr2 + (NH4)2CO3 = FeCO3 + NH4Br =>
FeBr2 + (NH4)2CO3 = FeCO3 + 2 NH4Br
(NH4)2(SO4) + CaCl2 = CaSO4 + NH4Cl =>
(NH4)2(SO4) + CaCl2 = CaSO4 + 2 NH4Cl
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Équations équilibrées sur12/31/24
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