| Équations équilibrées la veille | Équations équilibrées le lendemain |
CuO + 2 HBr = Cu + H2O + 2 Br
KClO3 + K2CO3 + Cr2O3 = KCl + CO2 + K2CrO4 =>
KClO3 + 2 K2CO3 + Cr2O3 = KCl + 2 CO2 + 2 K2CrO4
Mg(s) + AgNO3(aq) = Mg(NO3)2(aq) + Ag(s) =>
Mg(s) + 2 AgNO3(aq) = Mg(NO3)2(aq) + 2 Ag(s)
Al + C2 = Al4C3 =>
8 Al + 3 C2 = 2 Al4C3
A2 = A3 =>
3 A2 = 2 A3
C3H5(C15H31COO)1(C17H35COO)2 + O2 = CO2 + H2O =>
2 C3H5(C15H31COO)1(C17H35COO)2 + 157 O2 = 110 CO2 + 106 H2O
AgNO3 + Cr(C2H3O2)3 = Ag(C2H3O2)3 + CrNO3 =>
AgNO3 + Cr(C2H3O2)3 = Ag(C2H3O2)3 + CrNO3
Zn + Fe(NH4)2(SO4)2 = ZnSO4 + Fe(NH4)2 =>
2 Zn + Fe(NH4)2(SO4)2 = 2 ZnSO4 + Fe(NH4)2
HCl(aq) + CaCO3(s) = CaCl2(aq) + CO2(g) + H2O(l) =>
2 HCl(aq) + CaCO3(s) = CaCl2(aq) + CO2(g) + H2O(l)
Mg(s) + O2(g) = MgO(s) =>
2 Mg(s) + O2(g) = 2 MgO(s)
Co(ClO2)3 + Mn = Mn(ClO2)4 + Co =>
4 Co(ClO2)3 + 3 Mn = 3 Mn(ClO2)4 + 4 Co
C3H6 + Ag(NH3)2OH = C2Ag2 + H2O + NH3 + CH4 =>
C3H6 + 2 Ag(NH3)2OH = C2Ag2 + 2 H2O + 4 NH3 + CH4
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
FeCl3 + NH4OH = Fe + H2O + NH3Cl3 =>
FeCl3 + NH4OH = Fe + H2O + NH3Cl3
Na2HPO4 + CuSO4 = Na2SO4 + HPO4Cu =>
Na2HPO4 + CuSO4 = Na2SO4 + HPO4Cu
Ba + H2O = Ba(OH)2 + H2 =>
Ba + 2 H2O = Ba(OH)2 + H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
HClO3 + Cr(OH)3 = Cr(ClO3)3 + H2O =>
3 HClO3 + Cr(OH)3 = Cr(ClO3)3 + 3 H2O
SrCl2CuSO4 = CuCl2SrSO4 =>
SrCl2CuSO4 = CuCl2SrSO4
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
Ni(OH)2 + NH4OH = [Ni(NH3)4](OH)2 + H2O =>
Ni(OH)2 + 4 NH4OH = [Ni(NH3)4](OH)2 + 4 H2O
LiHCO3(s) = Li2CO3(s) + H2O(g) + CO2(g) =>
2 LiHCO3(s) = Li2CO3(s) + H2O(g) + CO2(g)
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
ZrOCl2 + H2O = ZrO2 + HCl =>
ZrOCl2 + H2O = ZrO2 + 2 HCl
NaOH + HClO3 = Na + HClO3OH =>
NaOH + HClO3 = Na + HClO3OH
H2O + F2 = HF + FO =>
2 H2O + 3 F2 = 4 HF + 2 FO
SnO + H2O = H + SnO2 =>
SnO + H2O = 2 H + SnO2
Ca3P2 + O2 = P2O5 + Ca =>
2 Ca3P2 + 5 O2 = 2 P2O5 + 6 Ca
Mg(NO3)2 + KI = MgI2 + KNO3 =>
Mg(NO3)2 + 2 KI = MgI2 + 2 KNO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Cl2 + C + H2O = CO2 + H{+} + Cl{-} =>
2 Cl2 + C + 2 H2O = CO2 + 4 H{+} + 4 Cl{-}
BiCl3 + NaOH = BiH3 + NaCl + O =>
BiCl3 + 3 NaOH = BiH3 + 3 NaCl + 3 O
NaBiO3 + Fe(NO2)2 = Na(NO2)2 + FeBiO3 =>
NaBiO3 + Fe(NO2)2 = Na(NO2)2 + FeBiO3
AgNO3 + KMnO4 + H2SO4 + CO = Ag + MnSO4 + CO2 + H2O + KNO3 =>
AgNO3 + KMnO4 + H2SO4 + 3 CO = Ag + MnSO4 + 3 CO2 + H2O + KNO3
C6H5COOH + O2 = CO2 + H2 =>
C6H5COOH + 6 O2 = 7 CO2 + 3 H2
NH4Cl = N8 + H2 + Cl2 =>
8 NH4Cl = N8 + 16 H2 + 4 Cl2
Zn + NiCl = ZnCl2 + Ni =>
Zn + 2 NiCl = ZnCl2 + 2 Ni
Rb + S = Rb2S =>
2 Rb + S = Rb2S
NO3{-} + S{2-} + H{+} = NO + S + H2O =>
2 NO3{-} + 3 S{2-} + 8 H{+} = 2 NO + 3 S + 4 H2O
CH3OH + F2 = HF + CO2 + CF4 =>
2 CH3OH + 6 F2 = 8 HF + CO2 + CF4
TiO2HF = TiHFO2 =>
TiO2HF = TiHFO2
NaHCO3(s) + HCl(ac) = NaCl(ac) + H2O(l) + CO2(g) =>
NaHCO3(s) + HCl(ac) = NaCl(ac) + H2O(l) + CO2(g)
N2 + O = NO =>
N2 + 2 O = 2 NO
Na2BeO2 + HNO3 = NaNO3 + Be(NO3)2 + H2O =>
Na2BeO2 + 4 HNO3 = 2 NaNO3 + Be(NO3)2 + 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
CCl3NO2 + HClO3 + KOH = KNO3 + KCl + H2O + K2CO3 =>
3 CCl3NO2 + HClO3 + 19 KOH = 3 KNO3 + 10 KCl + 10 H2O + 3 K2CO3
P4 + Cl = PCl3 =>
P4 + 12 Cl = 4 PCl3
Al(OH)3 + BeCl2 = AlCl3 + Be(OH)2 =>
2 Al(OH)3 + 3 BeCl2 = 2 AlCl3 + 3 Be(OH)2
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Équations équilibrées sur12/10/24
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