| Équations équilibrées la veille | Équations équilibrées le lendemain |
H2SeO4 + Ca = CaSeO4 + H2
C7H14Br2 + Zn = C7H14 + ZnBr2 =>
C7H14Br2 + Zn = C7H14 + ZnBr2
Li2SO4 + Ba(NO3)2 = Li(NO3) + Ba(SO4) =>
Li2SO4 + Ba(NO3)2 = 2 Li(NO3) + Ba(SO4)
Cu(II)SO4 + Na2CO3 = Cu(II)CO3 + Na2SO4 =>
Cu(II)SO4 + Na2CO3 = Cu(II)CO3 + Na2SO4
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Na2S + KMnO4 + H2O = S2 + MnO2 + NaOH + KOH =>
6 Na2S + 4 KMnO4 + 8 H2O = 3 S2 + 4 MnO2 + 12 NaOH + 4 KOH
Na2Cr2O7 + Na2NO2 + H2SO4 = Cr2(SO4)3 + NaNO3 + Na2SO4 + H2O =>
Na2Cr2O7 + 2 Na2NO2 + 5 H2SO4 = Cr2(SO4)3 + 2 NaNO3 + 2 Na2SO4 + 5 H2O
MgCH3CO2 + KSO4 = MgSO4 + KCH3CO2 =>
MgCH3CO2 + KSO4 = MgSO4 + KCH3CO2
H3 + PO4 + RbOH = H2O + Rb3PO4 =>
H3 + PO4 + 3 RbOH = 3 H2O + Rb3PO4
NiNH3 + NO3 + HCl = NH4 + Ni(NO3)2 + Cl2 =>
2 NiNH3 + 4 NO3 + 2 HCl = 2 NH4 + 2 Ni(NO3)2 + Cl2
C17H35COONa + Mg(CO3)2 = (C17H35COO)Mg + Na(CO3)2 =>
C17H35COONa + Mg(CO3)2 = (C17H35COO)Mg + Na(CO3)2
Ca(OH)2 + H2(SO3) = Ca(SO3) + H2O =>
Ca(OH)2 + H2(SO3) = Ca(SO3) + 2 H2O
Fe2O3 + S = Fe2S + SO2 =>
2 Fe2O3 + 5 S = 2 Fe2S + 3 SO2
Na2CO3 + Ca(OH)2 = CaCO3 + NaOH =>
Na2CO3 + Ca(OH)2 = CaCO3 + 2 NaOH
MgO + P4 = P4O6 + Mg3P2 =>
6 MgO + 2 P4 = P4O6 + 2 Mg3P2
C4N4S2 + K2MnO4 + H2O = CO2 + KNO3 + K2SO4 + MnO2 + KOH =>
C4N4S2 + 24 K2MnO4 + 20 H2O = 4 CO2 + 4 KNO3 + 2 K2SO4 + 24 MnO2 + 40 KOH
AgBr + Na2S2O3 = Na3Ag(S2O3)2 + NaBr =>
AgBr + 2 Na2S2O3 = Na3Ag(S2O3)2 + NaBr
Fe + H2O = H + FeO =>
Fe + H2O = 2 H + FeO
ZnO + KOH = KZnO + H2O2 =>
2 ZnO + 2 KOH = 2 KZnO + H2O2
MgO + Ta2O5 = MgTa2O6 =>
MgO + Ta2O5 = MgTa2O6
K3[Cr(OH)6] + NH4Cl = KCl + Cr(OH)3 + NH3 + H2O =>
K3[Cr(OH)6] + 3 NH4Cl = 3 KCl + Cr(OH)3 + 3 NH3 + 3 H2O
Pb(OH)2 = PbOH{+} + OH{-} =>
Pb(OH)2 = PbOH{+} + OH{-}
CuS + HNO3 = Cu(NO3)2 + S4 + H2O + NO =>
12 CuS + 32 HNO3 = 12 Cu(NO3)2 + 3 S4 + 16 H2O + 8 NO
BaO + C = BaC2 + CO =>
BaO + 3 C = BaC2 + CO
C6H5NO2 + Zn + HCl = C6H5NH3Cl + ZnCl + H2O =>
C6H5NO2 + 6 Zn + 7 HCl = C6H5NH3Cl + 6 ZnCl + 2 H2O
AgBr + Na2S2O3 = Na3Ag(S2O3)2 + NaBr =>
AgBr + 2 Na2S2O3 = Na3Ag(S2O3)2 + NaBr
S8 + Zn = ZnS =>
S8 + 8 Zn = 8 ZnS
PH4O + O2 = PO2 + H2O =>
2 PH4O + 3 O2 = 2 PO2 + 4 H2O
KCl + Na3(Co(NO2)6) = K3(Co(NO2)6) + NaCl =>
3 KCl + Na3(Co(NO2)6) = K3(Co(NO2)6) + 3 NaCl
Sr + Na2CrO4 = Na + SrCrO4 =>
Sr + Na2CrO4 = 2 Na + SrCrO4
CH3COOH + NaOH = NaCH3COO + H2O =>
CH3COOH + NaOH = NaCH3COO + H2O
C3H5N3O9 = CO2 + H2O + N2 + O2 =>
4 C3H5N3O9 = 12 CO2 + 10 H2O + 6 N2 + O2
OH{-} + ClO{-} + S2O3{-}2 = Cl{-} + SO4{-}2 + H2O =>
2 OH{-} + 9 ClO{-} + 2 S2O3{-}2 = 9 Cl{-} + 4 SO4{-}2 + H2O
PdCl2 + CH3CN = PdCl2(CH3CN)2 =>
PdCl2 + 2 CH3CN = PdCl2(CH3CN)2
H{+} + MnO4{-} + Br{-} = Br2{+2} + Mn{+2} + H2O =>
32 H{+} + 4 MnO4{-} + 10 Br{-} = 5 Br2{+2} + 4 Mn{+2} + 16 H2O
LiOH + CaO = Li2O + Ca(OH)2 =>
2 LiOH + CaO = Li2O + Ca(OH)2
CuNO3 + (NH4)2CO3 = CuCO3 + (NH4)2NO3 =>
CuNO3 + (NH4)2CO3 = CuCO3 + (NH4)2NO3
H3PO3 + HNO3 = H3PO4 + NO2 + H2O =>
H3PO3 + 2 HNO3 = H3PO4 + 2 NO2 + H2O
Fe2(SO4)3 + Ca = CaSO4 + Fe =>
Fe2(SO4)3 + 3 Ca = 3 CaSO4 + 2 Fe
KI(OH)4 + H2SO4 = KI(SO4)2 + H2O =>
KI(OH)4 + 2 H2SO4 = KI(SO4)2 + 4 H2O
HCl + H2O = Cl{-} + H3O{+} =>
HCl + H2O = Cl{-} + H3O{+}
Si2 + Cl2 = SiCl4 =>
Si2 + 4 Cl2 = 2 SiCl4
MgO + Ta2O5 = MgTa2O6 =>
MgO + Ta2O5 = MgTa2O6
Cr(OH)3 + NaClO = Na2CrO4 + Cl2 + H2O + NaOH =>
2 Cr(OH)3 + 6 NaClO = 2 Na2CrO4 + 3 Cl2 + 2 H2O + 2 NaOH
P4(s) + CaSiO3(s) + CO(g) = Ca3(PO4)2(s) + C(s) + SiO2(s) =>
P4(s) + 6 CaSiO3(s) + 10 CO(g) = 2 Ca3(PO4)2(s) + 10 C(s) + 6 SiO2(s)
Fe + CuSO4 = Cu + Fe2SO4 =>
2 Fe + CuSO4 = Cu + Fe2SO4
Al + KOH = Al(OH)3 + K =>
Al + 3 KOH = Al(OH)3 + 3 K
Cu2S + Ca(OH)2 = CaS + CuOH =>
Cu2S + Ca(OH)2 = CaS + 2 CuOH
Ni(NO3)2 + H2O + NH3 = Ni(NH3)6 + NH4NO3 =>
4 Ni(NO3)2 + 3 H2O + 34 NH3 = 4 Ni(NH3)6 + 9 NH4NO3
MgO2 + H2O = Mg(OH)2 + H2O2 =>
MgO2 + 2 H2O = Mg(OH)2 + H2O2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur11/25/24
Équations équilibrées sur12/25/23
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