| Équations équilibrées la veille | Équations équilibrées le lendemain |
C6H7N + 9 O2 = 6 CO2 + 3 H2O + HNO3
N2H4 + H2O = N2O5 + NH3 =>
8 N2H4 + 5 H2O = N2O5 + 14 NH3
Br + NaI = NaBr + I =>
Br + NaI = NaBr + I
Fe(OH)3 + Hg(NO3)2 = Fe(NO3)3 + Hg(OH)2 =>
2 Fe(OH)3 + 3 Hg(NO3)2 = 2 Fe(NO3)3 + 3 Hg(OH)2
KHCO3 + H2SO4 = KHSO4 + CO2 + H2O =>
KHCO3 + H2SO4 = KHSO4 + CO2 + H2O
Fe(Cl)3 + Na2S = Fe2S3 + NaCl =>
2 Fe(Cl)3 + 3 Na2S = Fe2S3 + 6 NaCl
CaH{-} + H2O = CaOH{-} + H =>
CaH{-} + H2O = CaOH{-} + 2 H
NiO + H2O = HNiO2{-} + H{+} =>
NiO + H2O = HNiO2{-} + H{+}
NaN3(s) = Na(s) + N2(g) =>
2 NaN3(s) = 2 Na(s) + 3 N2(g)
K3[Cr(OH)6] + SO2 = Cr(OH)3 + K2SO3 + H2O =>
2 K3[Cr(OH)6] + 3 SO2 = 2 Cr(OH)3 + 3 K2SO3 + 3 H2O
CH4 + CaO2 = CaCO3 + H2 + CaO =>
CH4 + 2 CaO2 = CaCO3 + 2 H2 + CaO
[SnCl3]{-} + HCl + Cr2O7{-2} = CrCl3 + [SnCl6]{-2} + SnCl2 + H2O =>
4[SnCl3]{-} + 14 HCl + Cr2O7{-2} = 2 CrCl3 + 3[SnCl6]{-2} + SnCl2 + 7 H2O
Mg + Fe2O3 = Fe + Mg2O3 =>
2 Mg + Fe2O3 = 2 Fe + Mg2O3
CH3NH2 + CH3Br = (CH3)2BrNH2 =>
CH3NH2 + CH3Br = (CH3)2BrNH2
(NH4)2S + Cu(CH3COO)2 = NH4C2H3O2 + CuS =>
(NH4)2S + Cu(CH3COO)2 = 2 NH4C2H3O2 + CuS
Ag2CO3 + H2O = Ag2O + H2CO3 =>
Ag2CO3 + H2O = Ag2O + H2CO3
As2S2 + HNO3 = H3AsO4 + H2SO4 + H2O + NO2 =>
As2S2 + 22 HNO3 = 2 H3AsO4 + 2 H2SO4 + 6 H2O + 22 NO2
NH3 + O2 + CH4 = HCN + H2O =>
2 NH3 + 3 O2 + 2 CH4 = 2 HCN + 6 H2O
As2S3 + KNO3 + H2SO4 = K2SO4 + K3AsO4 + NO2 + H2O =>
As2S3 + 28 KNO3 + 8 H2SO4 = 11 K2SO4 + 2 K3AsO4 + 28 NO2 + 8 H2O
Al + CuCl2 + H2O = AlCl3 + CuO2 + H =>
2 Al + 3 CuCl2 + 6 H2O = 2 AlCl3 + 3 CuO2 + 12 H
KBr + Cr2O7{2-} = K2Cr2O7 + Br2 + e =>
2 KBr + Cr2O7{2-} = K2Cr2O7 + Br2 + 2e
H3C6H5O7 + NaOH = HOH + Na3C6H5O7 =>
H3C6H5O7 + 3 NaOH = 3 HOH + Na3C6H5O7
C11H12N2O2 + O2 = NH3 + CO2 + H2O =>
2 C11H12N2O2 + 23 O2 = 4 NH3 + 22 CO2 + 6 H2O
NaOH + CaCO3 = Na2CO3 + Ca(OH)2 =>
2 NaOH + CaCO3 = Na2CO3 + Ca(OH)2
Cu + ZnCl2 = Zn + CuCl =>
2 Cu + ZnCl2 = Zn + 2 CuCl
KLi + Pb(NO3)2 = PbLi2 + KNO3 =>
2 KLi + Pb(NO3)2 = PbLi2 + 2 KNO3
Be3N2 + H2O = Be(OH)2 + NH3 =>
Be3N2 + 6 H2O = 3 Be(OH)2 + 2 NH3
Zn + AlCl2 = ZnAl(Cl2) =>
Zn + AlCl2 = ZnAl(Cl2)
NaH + BF3 = B2H6 + NaF =>
6 NaH + 2 BF3 = B2H6 + 6 NaF
P2O3 + HNO3 + H2O = H3PO4 + NO2 =>
P2O3 + 4 HNO3 + H2O = 2 H3PO4 + 4 NO2
C9H13NO3 + NaOH = C9H12NaNO3 + H2O =>
C9H13NO3 + NaOH = C9H12NaNO3 + H2O
Cl{-} = Cl0 + e =>
Cl{-} = Cl0 + e
NaHCO2 + HC2H3O2 = CO2 + NaC2H3O2 + H2O =>
4 NaHCO2 + 3 HC2H3O2 = 2 CO2 + 4 NaC2H3O2 + 2 H2O
Mg + NO2 = MgO2 + N2 =>
2 Mg + 2 NO2 = 2 MgO2 + N2
Al2(SO4)3 + Fe2O3 = Fe2(SO4)3 + Al2O3 =>
Al2(SO4)3 + Fe2O3 = Fe2(SO4)3 + Al2O3
C2H4O2 + CrO3 = CO2 + H2O + CrOH2 =>
3 C2H4O2 + 4 CrO3 = 6 CO2 + 2 H2O + 4 CrOH2
Bariumhydroxide + sulfuricacid = bariumsulfate + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
C33H8 + O2 = CO2 + H2O =>
C33H8 + 35 O2 = 33 CO2 + 4 H2O
(NH4)2S(aq) + HBr(aq) = H2S + NH4Br =>
(NH4)2S(aq) + 2 HBr(aq) = H2S + 2 NH4Br
CH3COONa + H2SO4 = Na2SO4 + HCH3COO =>
2 CH3COONa + H2SO4 = Na2SO4 + 2 HCH3COO
FeCl3 + Ba(OH)2 = BaCl2 + Fe(OH)3 =>
2 FeCl3 + 3 Ba(OH)2 = 3 BaCl2 + 2 Fe(OH)3
Ba + HClO2 = BaClO2 + H =>
Ba + HClO2 = BaClO2 + H
NaC4H7O2 + H2SO4 = C4H8O2 + Na2SO4 =>
2 NaC4H7O2 + H2SO4 = 2 C4H8O2 + Na2SO4
Ba(OH)2 + H2SiO3 = Ba(HSiO3)2 + H2O =>
Ba(OH)2 + 2 H2SiO3 = Ba(HSiO3)2 + 2 H2O
Cd(s) + HCl(aq) = CdCl2(s) + H2(g) =>
Cd(s) + 2 HCl(aq) = CdCl2(s) + H2(g)
S2O3 + HNO3 = H2SO4 + NO2 + H2O =>
S2O3 + 6 HNO3 = 2 H2SO4 + 6 NO2 + H2O
Mg3P2 = Mg + P =>
Mg3P2 = 3 Mg + 2 P
P4S10 + H2O = H3PO4 + H2S =>
P4S10 + 16 H2O = 4 H3PO4 + 10 H2S
Ca(NO3)2 + MgS = CaS + Mg(NO3)2 =>
Ca(NO3)2 + MgS = CaS + Mg(NO3)2
Cr + HNO3 + HCl = CrCl + H2O + NO =>
3 Cr + HNO3 + 3 HCl = 3 CrCl + 2 H2O + NO
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Équations équilibrées sur01/15/25
Équations équilibrées sur02/14/24
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