| Équations équilibrées la veille | Équations équilibrées le lendemain |
Si + HCl = SiCl + H
Cu2O + N2O5 = CuNO3 =>
Cu2O + N2O5 = 2 CuNO3
Mn + HOH = Mn(OH)2 + H2 =>
Mn + 2 HOH = Mn(OH)2 + H2
Si + Na = Si4Na4 =>
4 Si + 4 Na = Si4Na4
Mg(s) + ZnNO3(aq) = Mg(NO3)3(aq) + Zn(s) =>
Mg(s) + 3 ZnNO3(aq) = Mg(NO3)3(aq) + 3 Zn(s)
C17H20O2 + O2 = CO2 + H2O =>
C17H20O2 + 21 O2 = 17 CO2 + 10 H2O
Ag + HNO3 = AgNO3 + NO2 + H2O =>
Ag + 2 HNO3 = AgNO3 + NO2 + H2O
H3BO3 + O2 = H2O + BO2 =>
4 H3BO3 + O2 = 6 H2O + 4 BO2
Fe(NO3)2 + AgBr = FeBr2 + Ag(NO3) =>
Fe(NO3)2 + 2 AgBr = FeBr2 + 2 Ag(NO3)
KCl + Se + I2 + H2O = K2SeO3 + KI + HCl =>
6 KCl + Se + 2 I2 + 3 H2O = K2SeO3 + 4 KI + 6 HCl
HCl + CaO = CaCl2 + H2O =>
2 HCl + CaO = CaCl2 + H2O
NaI + CaCI2 = NaCI2 + CaI =>
NaI + CaCI2 = NaCI2 + CaI
K2(HPO3) + KMnO4 + KOH = K2MnO4 + K3PO4 + H2O =>
K2(HPO3) + 2 KMnO4 + 3 KOH = 2 K2MnO4 + K3PO4 + 2 H2O
Ca(NO3)2(aq) + NH4F(aq) = CaF2(s) + NH4NO3(aq) =>
Ca(NO3)2(aq) + 2 NH4F(aq) = CaF2(s) + 2 NH4NO3(aq)
PtCl4 + I2 = PtI + Cl =>
2 PtCl4 + I2 = 2 PtI + 8 Cl
C2H6 + NH3 + O2 = HCN + H2O =>
2 C2H6 + 4 NH3 + 5 O2 = 4 HCN + 10 H2O
Na2SO3 + Ba3(PO4)2 = Na3PO4 + BaSO3 =>
3 Na2SO3 + Ba3(PO4)2 = 2 Na3PO4 + 3 BaSO3
KIO4 + KI + HCl = KCl + I2 + H2O =>
KIO4 + 7 KI + 8 HCl = 8 KCl + 4 I2 + 4 H2O
Ho20Ti20O70 + Zr10 = Ho20Ti20O68 + Zr10O20 =>
10 Ho20Ti20O70 + Zr10 = 10 Ho20Ti20O68 + Zr10O20
H3PO4 + KMnO4 + Cl2 = HClO2 + Mn3(PO4)2 + K3PO4 + H2O =>
6 H3PO4 + 6 KMnO4 + 5 Cl2 = 10 HClO2 + 2 Mn3(PO4)2 + 2 K3PO4 + 4 H2O
Cu3(AsO3)2 + NaOH = Na3AsO4 + Cu2O + Na3AsO3 + H2O =>
2 Cu3(AsO3)2 + 12 NaOH = 3 Na3AsO4 + 3 Cu2O + Na3AsO3 + 6 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
K2(SO4) + Pb(NO3)2 = PbSO4 + KNO3 =>
K2(SO4) + Pb(NO3)2 = PbSO4 + 2 KNO3
Mg + S8 = MgS =>
8 Mg + S8 = 8 MgS
NaCHO3 + C2H4O2 = NaC2H4O2 + CO2 + H2O =>
8 NaCHO3 + 9 C2H4O2 = 8 NaC2H4O2 + 10 CO2 + 6 H2O
Mg3N2 + H2O = Mg(OH)2 + NH3 = MgO =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
Pb(CH3COO)2 + BaCl2 = PbCl2 + C4H6BaO4 =>
Pb(CH3COO)2 + BaCl2 = PbCl2 + C4H6BaO4
Ca(s) + Al(NO3)2(aq) = Ca(NO3)2(aq) + Al(s) =>
Ca(s) + Al(NO3)2(aq) = Ca(NO3)2(aq) + Al(s)
Sn + HNO3 = SnO2 + NO2 + H2O =>
Sn + 4 HNO3 = SnO2 + 4 NO2 + 2 H2O
C4H8N2O2 + NH4OH + Ni(NO3)2 = (C4H7N2O2)2Ni + NH4(NO3) + H2O =>
2 C4H8N2O2 + 2 NH4OH + Ni(NO3)2 = (C4H7N2O2)2Ni + 2 NH4(NO3) + 2 H2O
Mg(s) + F2 = MgF2 =>
Mg(s) + F2 = MgF2
(OH){-} + Cl2 + I{-} = Cl{-} + (IO3) + H2O =>
12(OH){-} + 7 Cl2 + 2 I{-} = 14 Cl{-} + 2(IO3) + 6 H2O
FeSO4(aq) + K2Cr2O7(aq) + H2SO4(aq) = Cr2(SO4)3(aq) + Fe2(SO4)3(aq) + K2SO4(aq) + H2O(l) =>
6 FeSO4(aq) + K2Cr2O7(aq) + 7 H2SO4(aq) = Cr2(SO4)3(aq) + 3 Fe2(SO4)3(aq) + K2SO4(aq) + 7 H2O(l)
Cu(CH3COO)2 + C2H5OH = Cu(OH)2 + C2H5 + COO =>
9 Cu(CH3COO)2 + 14 C2H5OH = 9 Cu(OH)2 + 24 C2H5 + 16 COO
Cr(OH)3 + NaOH = Na(Cr(OH)4) =>
Cr(OH)3 + NaOH = Na(Cr(OH)4)
(CH3COO)2Fe + HNO3 = Fe(NO3)2 + CH3COOH =>
(CH3COO)2Fe + 2 HNO3 = Fe(NO3)2 + 2 CH3COOH
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
Al + CO3 = Al2(CO3)3 =>
2 Al + 3 CO3 = Al2(CO3)3
ZnSO4 + K4Fe(CN)6 = Zn4(Fe(CN)6)2 + K2SO4 =>
4 ZnSO4 + 2 K4Fe(CN)6 = Zn4(Fe(CN)6)2 + 4 K2SO4
Na + MnO = Na2O + Mn =>
2 Na + MnO = Na2O + Mn
Mn(OH)2 + KBrO3 = MnO2 + KBr + H2O =>
3 Mn(OH)2 + KBrO3 = 3 MnO2 + KBr + 3 H2O
Fe2(SO4)3 + KI + KIO3 + H2O = Fe(OH)2 + K2SO4 + I2 =>
3 Fe2(SO4)3 + 16 KI + 2 KIO3 + 6 H2O = 6 Fe(OH)2 + 9 K2SO4 + 9 I2
O2 + Sb + OH{-} = H2O2 + SbO2{-} =>
2 O2 + 2 Sb + 2 OH{-} = H2O2 + 2 SbO2{-}
Fe(s) + H{+} = Fe2{+} + H2(g) =>
4 Fe(s) + 2 H{+} = 2 Fe2{+} + H2(g)
H3PO4 + K2CO3 = K6(PO4)2 + H2O + CO2 =>
2 H3PO4 + 3 K2CO3 = K6(PO4)2 + 3 H2O + 3 CO2
C3H7OH + [Cr2O7]2{-} + H{+} = Cr3{+} + C2H5COOH + H2O =>
77 C3H7OH + 12[Cr2O7]2{-} + 28 H{+} = 16 Cr3{+} + 77 C2H5COOH + 91 H2O
C6H12O6 + O2 = CO2 + H2O2 =>
C6H12O6 + 9 O2 = 6 CO2 + 6 H2O2
Al(OH)3 + KOH = Al(OH)4{-} + K{+} =>
Al(OH)3 + KOH = Al(OH)4{-} + K{+}
CuSO4(aq) + KOH = Cu(OH)2 + K2SO4 =>
CuSO4(aq) + 2 KOH = Cu(OH)2 + K2SO4
Cd(HCO3)2 = CdCO3 + H2O + CO2 =>
Cd(HCO3)2 = CdCO3 + H2O + CO2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/24/24
Équations équilibrées sur11/23/23
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