| Équations équilibrées la veille | Équations équilibrées le lendemain |
H2X = H + HX
Al + Br = Br2Al =>
Al + 2 Br = Br2Al
PbCO3 + H{+} + HSO4{-} = PbSO4 + CO2 + H2O =>
PbCO3 + H{+} + HSO4{-} = PbSO4 + CO2 + H2O
Ba(NO3)2 = BaO + NO2 + O2 =>
2 Ba(NO3)2 = 2 BaO + 4 NO2 + O2
H2X = H + HX =>
H2X = H + HX
CNCl + NaOH = NaCNO + NaCl + H2O =>
CNCl + 2 NaOH = NaCNO + NaCl + H2O
CaBr2(aq) + H2SO4(aq) = CaSO4(s) + HBr(g) =>
CaBr2(aq) + H2SO4(aq) = CaSO4(s) + 2 HBr(g)
Fe2O3 + H2O = Fe(OH)3 =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
Al(s) + FeCl2(aq) = Fe(s) + AlCl3(aq) =>
2 Al(s) + 3 FeCl2(aq) = 3 Fe(s) + 2 AlCl3(aq)
Cu(s) + HNO3(ac) = Cu(NO3)2(ac) + NO(g) + H2O(i) =>
3 Cu(s) + 8 HNO3(ac) = 3 Cu(NO3)2(ac) + 2 NO(g) + 4 H2O(i)
SiO2 + NaOH = NaO2 + Si + H2O =>
3 SiO2 + 4 NaOH = 4 NaO2 + 3 Si + 2 H2O
KMnO4 + N2 + H2O = MnO2 + KNO3 + KOH =>
10 KMnO4 + 3 N2 + 2 H2O = 10 MnO2 + 6 KNO3 + 4 KOH
Mg(OH)2 + H2SO4 = H2O + MgSO4(s) =>
Mg(OH)2 + H2SO4 = 2 H2O + MgSO4(s)
Na2S2O3 + NaIO3 + H2O = NaI + Na2SO4 + H2SO4 =>
3 Na2S2O3 + 4 NaIO3 + 3 H2O = 4 NaI + 3 Na2SO4 + 3 H2SO4
NaOH + P2S5 = NaSH + Na3PO2S2 + H2O =>
7 NaOH + P2S5 = NaSH + 2 Na3PO2S2 + 3 H2O
Zn(NO3)2 + K2CO3 = ZnCO3 + KNO3 =>
Zn(NO3)2 + K2CO3 = ZnCO3 + 2 KNO3
Cu(NO3)2 + NH3 = Cu{2+} + H2O + N2 + OH{-} =>
3 Cu(NO3)2 + 10 NH3 = 3 Cu{2+} + 12 H2O + 8 N2 + 6 OH{-}
C4H11N = C8H22N2 =>
2 C4H11N = C8H22N2
CH3Cl + Al + NaCl + NaAlCl4 = NaCH3AlCl3 =>
3 CH3Cl + 2 Al + 2 NaCl + NaAlCl4 = 3 NaCH3AlCl3
K2Cr2O7 + HCl = Cl2 + Cr(OH)3 + KCl + H2O =>
K2Cr2O7 + 8 HCl = 3 Cl2 + 2 Cr(OH)3 + 2 KCl + H2O
FeO + CaO = CaO2 + Fe =>
FeO + CaO = CaO2 + Fe
Zn(C2H3O2) + (NH4)S = ZnS + NH4C2H3O2 =>
Zn(C2H3O2) + (NH4)S = ZnS + NH4C2H3O2
KNO3 + Zn(SCN)2 = N2 + K2CO3 + CO2 + SO2 + ZnO =>
18 KNO3 + 5 Zn(SCN)2 = 14 N2 + 9 K2CO3 + CO2 + 10 SO2 + 5 ZnO
CuCO3 + Na2SO4 = Na2CO3 + CuSO4 =>
CuCO3 + Na2SO4 = Na2CO3 + CuSO4
Zn + OH{-} = ZnO + e + H2O =>
Zn + 2 OH{-} = ZnO + 2e + H2O
Zn + As = Zn3As2 =>
3 Zn + 2 As = Zn3As2
K2CrO4 + ZnSO4 = K2SO4 + ZnCrO4 =>
K2CrO4 + ZnSO4 = K2SO4 + ZnCrO4
AsO4{3-} + CN{-} + H2O = AsO2{-} + CNO{-} + OH{-} =>
AsO4{3-} + CN{-} + H2O = AsO2{-} + CNO{-} + 2 OH{-}
PCl5 + Ca(OH)2 = CaCl2 + Ca3(PO4)2 + H2O =>
2 PCl5 + 8 Ca(OH)2 = 5 CaCl2 + Ca3(PO4)2 + 8 H2O
NaCl + Zn(OH)2 = Na(OH) + ZnCl2 =>
2 NaCl + Zn(OH)2 = 2 Na(OH) + ZnCl2
FeSO4 + NH3 + C4H8N2O2 = Fe(C4H7N2O2)2 + (NH4)2SO4 =>
FeSO4 + 2 NH3 + 2 C4H8N2O2 = Fe(C4H7N2O2)2 + (NH4)2SO4
MnO2 + HBr = Br2 + MnBr2 + H2O =>
MnO2 + 4 HBr = Br2 + MnBr2 + 2 H2O
(CN)2(g) + H2O = H2C2O4(aq) + NH3(g) =>
(CN)2(g) + 4 H2O = H2C2O4(aq) + 2 NH3(g)
K2O + WO3 = K2WO4 =>
K2O + WO3 = K2WO4
C6H12 + Br = C6H12Br =>
C6H12 + Br = C6H12Br
FeSO4 + K4Fe(CN)6 = Fe4[Fe(CN)6]2 + K2SO4 =>
4 FeSO4 + 2 K4Fe(CN)6 = Fe4[Fe(CN)6]2 + 4 K2SO4
NaOH + HNo3 = NaNo3 + H2O =>
NaOH + HNo3 = NaNo3 + H2O
Cr2O3(s) + Al(s) = Al2O3(s) + Cr(s) =>
Cr2O3(s) + 2 Al(s) = Al2O3(s) + 2 Cr(s)
Al(NO3)3 + CaS = AlSCa(NO3)3 =>
Al(NO3)3 + CaS = AlSCa(NO3)3
NaBr + Cl2 = Br2 + NaCl =>
2 NaBr + Cl2 = Br2 + 2 NaCl
H2SO4 + Cu2O = SO2 + CuSO4 + H2O =>
3 H2SO4 + Cu2O = SO2 + 2 CuSO4 + 3 H2O
K2O2 + NaOH = KOH + NaO =>
K2O2 + 2 NaOH = 2 KOH + 2 NaO
SiO2(s) + BrF3(g) = SiF4(g) + Br2(l) + O2(g) =>
3 SiO2(s) + 4 BrF3(g) = 3 SiF4(g) + 2 Br2(l) + 3 O2(g)
NaHCO3 + H2SO4NaHCO3 = Na2SO4 + CO2 + H2O =>
NaHCO3 + H2SO4NaHCO3 = Na2SO4 + 2 CO2 + 2 H2O
C6H5NO2 + H2 = C6H5NH1 + H2O =>
2 C6H5NO2 + 5 H2 = 2 C6H5NH1 + 4 H2O
MgBr2 + Ca(SO4) = Mg(SO4) + CaBr2 =>
MgBr2 + Ca(SO4) = Mg(SO4) + CaBr2
NiCl2(H2O)2 = NiCl2 + H2O =>
NiCl2(H2O)2 = NiCl2 + 2 H2O
NaClO3 = NaCl + O =>
NaClO3 = NaCl + 3 O
K4Fe(CN)6(aq) + H2SO4(aq) + H2O(aq) = K2SO4(aq) + FeSO4(aq) + (NH4)2SO4(aq) + CO(g) =>
K4Fe(CN)6(aq) + 6 H2SO4(aq) + 6 H2O(aq) = 2 K2SO4(aq) + FeSO4(aq) + 3(NH4)2SO4(aq) + 6 CO(g)
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Équations équilibrées sur01/04/25
Équations équilibrées sur02/03/24
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