| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CuO + S = Cu2S + O2
S8 + NaBr = Br2 + Na2S =>
S8 + 16 NaBr = 8 Br2 + 8 Na2S
K2O(s) = K(s) + O2(g) =>
2 K2O(s) = 4 K(s) + O2(g)
CH3CHO + Na2CO3 = C2H5COONa + CO2 + H2O =>
14 CH3CHO + 5 Na2CO3 = 10 C2H5COONa + 3 CO2 + 3 H2O
Si + Mg = MgSi2 =>
2 Si + Mg = MgSi2
(NH4)2SO3 + ZnCl2 = NH4Cl + Zn2(SO3)2 =>
2(NH4)2SO3 + 2 ZnCl2 = 4 NH4Cl + Zn2(SO3)2
Pb(NO2)2 + Mg = Pb + Mg(NO2)2 =>
Pb(NO2)2 + Mg = Pb + Mg(NO2)2
NaC2H3O2 + S = H2SO4 + Na + C + H2O =>
6 NaC2H3O2 + S = H2SO4 + 6 Na + 12 C + 8 H2O
HCl + H2SeO4 = H2Se + Cl2 + H2O =>
8 HCl + H2SeO4 = H2Se + 4 Cl2 + 4 H2O
C9H8O + Cu{+2} + OH{-} = C9H7O2 + Cu2O + H2O =>
2 C9H8O + 6 Cu{+2} + 12 OH{-} = 2 C9H7O2 + 3 Cu2O + 7 H2O
Cr2(CO3)3(S) = Cr2O3(S) + CO2 =>
Cr2(CO3)3(S) = Cr2O3(S) + 3 CO2
(NH4)2SO3 + ZnCl2 = NH4Cl + Zn2(SO3)2 =>
2(NH4)2SO3 + 2 ZnCl2 = 4 NH4Cl + Zn2(SO3)2
H3 + NaOH = H2O + Na2 =>
2 H3 + 6 NaOH = 6 H2O + 3 Na2
CO(carbonmonoxide) + H2O(water) = CO2 + H2 =>
CO(carbonmonoxide) + H2O(water) = CO2 + H2
K2Cr2O7 + HCl = O2 + CrCl2 + KCl + H2O =>
K2Cr2O7 + 6 HCl = 2 O2 + 2 CrCl2 + 2 KCl + 3 H2O
Hg(NO3)2 + NH4Cl = NH4NO3 + HgCl2 =>
Hg(NO3)2 + 2 NH4Cl = 2 NH4NO3 + HgCl2
As2S5 + HNO3 + H2O = H2SO4 + H3AsO4 + NO =>
3 As2S5 + 40 HNO3 + 4 H2O = 15 H2SO4 + 6 H3AsO4 + 40 NO
Al(OH)4{-} + H{+} = Al{+3} + H2O =>
Al(OH)4{-} + 4 H{+} = Al{+3} + 4 H2O
Mg(NO3)2 + KBr = MgBr2 + KNO3 =>
Mg(NO3)2 + 2 KBr = MgBr2 + 2 KNO3
C3H7COOH + Ba = C3H7COOBa + H2 =>
2 C3H7COOH + 2 Ba = 2 C3H7COOBa + H2
KNO3 + Na2SO4 = KSO4 + Na2NO3 =>
KNO3 + Na2SO4 = KSO4 + Na2NO3
Pb + AuOH = Au + Pb(OH)2 =>
Pb + 2 AuOH = 2 Au + Pb(OH)2
H2C = CH2 = H2{+} =>
H2C = CH2
NH4HCO3 + HNO3 = NH4(NO3)2 + H2O + CO2 =>
7 NH4HCO3 + 17 HNO3 = 8 NH4(NO3)2 + 10 H2O + 7 CO2
FeSO4 + H2O + NH3 = Fe(OH)2 + (NH4)2SO4 =>
FeSO4 + 2 H2O + 2 NH3 = Fe(OH)2 + (NH4)2SO4
CaCl + H2SO4 = H2Cl + CaSO4 =>
CaCl + H2SO4 = H2Cl + CaSO4
Na2Cr2O7 + HCl = NaCl + CrCl3 + H2O + HCl2 =>
Na2Cr2O7 + 20 HCl = 2 NaCl + 2 CrCl3 + 7 H2O + 6 HCl2
SO3 + Li2O = Li2SO4 =>
SO3 + Li2O = Li2SO4
Br + AgNO3 = AgBr + NO3 =>
Br + AgNO3 = AgBr + NO3
AgNO3 + NH4OH + NaOH = Ag(NH3)2OH + NaNO3 + H2O =>
AgNO3 + 2 NH4OH + NaOH = Ag(NH3)2OH + NaNO3 + 2 H2O
C2H5OH + Mn2O7 = MnO2 + CH3COOH + H2O =>
3 C2H5OH + 2 Mn2O7 = 4 MnO2 + 3 CH3COOH + 3 H2O
Ag2SO4 = Ag + SO4 =>
Ag2SO4 = 2 Ag + SO4
H2O2 + MnSO4 + NH3 = MnO2 + (NH4)2SO4 =>
H2O2 + MnSO4 + 2 NH3 = MnO2 + (NH4)2SO4
PbCrO4 + KOH = Pb(OH)2 + K2CrO4 =>
PbCrO4 + 2 KOH = Pb(OH)2 + K2CrO4
CaCO3 + CaSO4 + H2O = CaOH + CO2 + SO4 =>
CaCO3 + CaSO4 + H2O = 2 CaOH + CO2 + SO4
Pb(No3)2 + Ba(OH)2 = Pb(OH)2 + Ba(No3)2 =>
Pb(No3)2 + Ba(OH)2 = Pb(OH)2 + Ba(No3)2
Cr + NaOH + H2O = Na[Cr(OH)4] + H2 =>
2 Cr + 2 NaOH + 6 H2O = 2 Na[Cr(OH)4] + 3 H2
Na2SO3 + Te = Na2TeSO3 =>
Na2SO3 + Te = Na2TeSO3
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
HPO3 + Fe(OH)3 = Fe(PO3)3 + H2O =>
3 HPO3 + Fe(OH)3 = Fe(PO3)3 + 3 H2O
Fe(NO3)3 + KOH = Fe(OH)3 + K(NO3) =>
Fe(NO3)3 + 3 KOH = Fe(OH)3 + 3 K(NO3)
NpO2(NO3)2 = NpO2 + NO2 + O2 =>
NpO2(NO3)2 = NpO2 + 2 NO2 + O2
K4Fe(CN)6 + Zn = K + K2Zn3[Fe(CN)6]2 =>
2 K4Fe(CN)6 + 3 Zn = 6 K + K2Zn3[Fe(CN)6]2
(CaCO3)2 = CO2 + CaO =>
(CaCO3)2 = 2 CO2 + 2 CaO
Al + Pb(NO3)2 = Al(NO3)3 + Pb =>
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb
KNO3 + NH4Br = KBr + NH4 + NO3 =>
KNO3 + NH4Br = KBr + NH4 + NO3
Ag3PO4(s) + H2O = H3PO4 + AgOH =>
Ag3PO4(s) + 3 H2O = H3PO4 + 3 AgOH
MgSO4*NaOH = MgOH + NaSO4 =>
MgSO4*NaOH = MgOH + NaSO4
K3[Cr(OH)6] + H2O2 = K2CrO4 + KOH + H2O =>
2 K3[Cr(OH)6] + 3 H2O2 = 2 K2CrO4 + 2 KOH + 8 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/06/25
Équations équilibrées sur02/05/24
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