| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Na2SO3 + K2Cr2O7 + 8 NaHSO4 = 7 Na2SO4 + Cr2(SO4)3 + K2SO4 + 4 H2O
V2AlC + O2 = Al2O3 + V2O5 + CO2 =>
4 V2AlC + 17 O2 = 2 Al2O3 + 4 V2O5 + 4 CO2
Ca2(CO3)2 + NaCl = Na2(CO3) + CaCl2 =>
Ca2(CO3)2 + 4 NaCl = 2 Na2(CO3) + 2 CaCl2
HClO4 + CaS = HS + CaClO4 =>
HClO4 + CaS = HS + CaClO4
KMnO4 + H2SO4 + NO = MnSO4 + NO2 + K2(SO4) + H2O =>
2 KMnO4 + 3 H2SO4 + 5 NO = 2 MnSO4 + 5 NO2 + K2(SO4) + 3 H2O
S(OH)2 + H2S = H2O + SH =>
S(OH)2 + 3 H2S = 2 H2O + 4 SH
F2 + NH3 = N2H4 + NH4F2 =>
2 F2 + 4 NH3 = N2H4 + 2 NH4F2
Co(NO3)2 + NH4CNS = (NH4)4[Co(CNS)6] + NH4NO3 =>
Co(NO3)2 + 6 NH4CNS = (NH4)4[Co(CNS)6] + 2 NH4NO3
H2O(e) = H(g) + O(g) =>
H2O(e) = 2 H(g) + O(g)
AlPO4 + CaI2 = Ca3O8P2 + AlI3 =>
2 AlPO4 + 3 CaI2 = Ca3O8P2 + 2 AlI3
MgZn + HCl = H2 + Mg + ZnCl =>
2 MgZn + 2 HCl = H2 + 2 Mg + 2 ZnCl
Cu + MnSO4 = Mn + Cu2(SO4)3 =>
2 Cu + 3 MnSO4 = 3 Mn + Cu2(SO4)3
AgNO3 + Na2CO3 = AgCO3Na2NO3 =>
AgNO3 + Na2CO3 = AgCO3Na2NO3
Zn(NO3)2 + K2CrO4 = ZnCrO4 + K(NO3) =>
Zn(NO3)2 + K2CrO4 = ZnCrO4 + 2 K(NO3)
Ca3P2 + HNO3 = Ca(NO3)2 + NO2 + HPO3 + H2O =>
Ca3P2 + 22 HNO3 = 3 Ca(NO3)2 + 16 NO2 + 2 HPO3 + 10 H2O
Fe{3} + e = Fe{2} =>
Fe{3} + e = Fe{2}
Cr(OH)3 + NaOH = Na3[Cr(OH)6] =>
Cr(OH)3 + 3 NaOH = Na3[Cr(OH)6]
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Mg(NO3)2 + Cl2 = MgCl2 + NO3 =>
Mg(NO3)2 + Cl2 = MgCl2 + 2 NO3
C27H46O + O2 = C2 + H2O =>
2 C27H46O + 22 O2 = 27 C2 + 46 H2O
Pb(NO3)2 + Na2SO4 = PbSO4 + (NO3)Na =>
Pb(NO3)2 + Na2SO4 = PbSO4 + 2(NO3)Na
Y2O2S + ZnSO4 = Y2(SO4)3 + ZnO + SO2 =>
Y2O2S + 6 ZnSO4 = Y2(SO4)3 + 6 ZnO + 4 SO2
K + HNO3 = KNO3 + H2 =>
2 K + 2 HNO3 = 2 KNO3 + H2
Al(OH)03 = Al2O3 + H2O =>
2 Al(OH)03 = Al2O3 + 3 H2O
PCl5 + AsF3 = PF5 + AsCl3 =>
3 PCl5 + 5 AsF3 = 3 PF5 + 5 AsCl3
CaSO3 + HC2H3O2 = HOH + SO2 + CaC2H2O2 =>
CaSO3 + HC2H3O2 = HOH + SO2 + CaC2H2O2
KOHK = K2OH =>
KOHK = K2OH
Al2O3(aq) = Al(s) + O2(ag) =>
2 Al2O3(aq) = 4 Al(s) + 3 O2(ag)
KCl + AgNO4 = AgClKNO4 =>
KCl + AgNO4 = AgClKNO4
HOCH2CH2OH + KMnO4 = H2CO + MnO2 + KOH + H2O =>
3 HOCH2CH2OH + 2 KMnO4 = 6 H2CO + 2 MnO2 + 2 KOH + 2 H2O
Na2S + H2SO4 = H2S + Na2SO4 =>
Na2S + H2SO4 = H2S + Na2SO4
NaHCO3 + H3C6H5O7H2O = CO2 + H2O + Na3C6H5O7 =>
3 NaHCO3 + H3C6H5O7H2O = 3 CO2 + 4 H2O + Na3C6H5O7
K2O = O2 + K =>
2 K2O = O2 + 4 K
HBr + NiCO3 = CO2 + H2O + NiBr2 =>
2 HBr + NiCO3 = CO2 + H2O + NiBr2
Nb + H2SO4 = Nb2(SO4)5 + SO2 + H2O =>
2 Nb + 10 H2SO4 = Nb2(SO4)5 + 5 SO2 + 10 H2O
Na2S + NaNO2 + H2SO4 = Na2SO4 + H2O + NO =>
Na2S + 8 NaNO2 + 4 H2SO4 = 5 Na2SO4 + 4 H2O + 8 NO
NaOH + CuSO4 = (CuOH)2 + NaSO4 =>
2 NaOH + 2 CuSO4 = (CuOH)2 + 2 NaSO4
MoS2 + H2O = H2SO4 + Mo + H2 =>
MoS2 + 8 H2O = 2 H2SO4 + Mo + 6 H2
Fe2O3 + NH3 = Fe + NO2 + H2O =>
7 Fe2O3 + 6 NH3 = 14 Fe + 6 NO2 + 9 H2O
KMnO4 + NaCl + H2SO4 = Cl2 + H2O + K2SO4 + MnSO4 + NaSO4 =>
4 KMnO4 + 10 NaCl + 16 H2SO4 = 5 Cl2 + 16 H2O + 2 K2SO4 + 4 MnSO4 + 10 NaSO4
Ca10F2(PO4)6(s) + H2SO4(l) = HF(g) + Ca(H2PO4)2(s) + CaSO4(s) =>
Ca10F2(PO4)6(s) + 7 H2SO4(l) = 2 HF(g) + 3 Ca(H2PO4)2(s) + 7 CaSO4(s)
H2S(g) + O2 = H2O(g) + SO2(g) =>
2 H2S(g) + 3 O2 = 2 H2O(g) + 2 SO2(g)
BH4{-} + H{+} + H2O = H3BO3 + H2(g) =>
BH4{-} + H{+} + 3 H2O = H3BO3 + 4 H2(g)
NaBO3 + Cd = Na + Cd2(BO3)2 =>
2 NaBO3 + 2 Cd = 2 Na + Cd2(BO3)2
CoCl2 + Na4SiO4 = Co4(SiO4)2 + NaCl =>
4 CoCl2 + 2 Na4SiO4 = Co4(SiO4)2 + 8 NaCl
KNO3 + C6H6O = K2CO3 + CO2 + H2O + N2 =>
28 KNO3 + 5 C6H6O = 14 K2CO3 + 16 CO2 + 15 H2O + 14 N2
Cu{2+} + H2O = Cu + H3O{+} + O2 =>
2 Cu{2+} + 6 H2O = 2 Cu + 4 H3O{+} + O2
Al(s) + O2(g) = AlO2 =>
Al(s) + O2(g) = AlO2
Me4N + Br5 = Me4NBr5 =>
Me4N + Br5 = Me4NBr5
F + O + H2O = FOH =>
2 F + O + H2O = 2 FOH
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/18/24
Équations équilibrées sur01/17/24
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