| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 S2 + 6 NaOH = 2 Na2S + Na2S2O3 + 3 H2O
C6H12O6 + C2H5OH = C48H72O14 + H2O =>
13 C6H12O6 + 33 C2H5OH = 3 C48H72O14 + 69 H2O
Br2 + NaOH + NaHSO3 = NaBr + Na2SO4 + H2O =>
Br2 + 3 NaOH + NaHSO3 = 2 NaBr + Na2SO4 + 2 H2O
Br2 + CO2 = Br2O5 + CO =>
Br2 + 5 CO2 = Br2O5 + 5 CO
CdS(s) + H2SO4(aq) = CdSO4 + H2S =>
CdS(s) + H2SO4(aq) = CdSO4 + H2S
Ag2CO3 + CH3COOH = AgC2H3O2 + H2O + CO2 =>
Ag2CO3 + 2 CH3COOH = 2 AgC2H3O2 + H2O + CO2
HCl + NO3 = HNO3 + Cl =>
HCl + NO3 = HNO3 + Cl
HC2H3O2 = H2 + C2H3O2 =>
2 HC2H3O2 = H2 + 2 C2H3O2
CaI2(s) + Cl2(g) = CaCl2(s) + I2(g) =>
CaI2(s) + Cl2(g) = CaCl2(s) + I2(g)
Al + NO3{-} + OH{-} + H2O = Al(OH)4{-} + NH3 =>
8 Al + 3 NO3{-} + 5 OH{-} + 18 H2O = 8 Al(OH)4{-} + 3 NH3
Fe(SCN)3 + NaF = Na3(FeF6) + NaSCN =>
Fe(SCN)3 + 6 NaF = Na3(FeF6) + 3 NaSCN
C5H11Cl + Na = NaCl + C5H11 =>
C5H11Cl + Na = NaCl + C5H11
CS2 + NH3 = H2S + NH4SCN =>
CS2 + 2 NH3 = H2S + NH4SCN
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
NaNO3 + Fe2O3 = NaO3 + Fe2NO3 =>
NaNO3 + Fe2O3 = NaO3 + Fe2NO3
Ba(NO3)2 + NaIO3 + H2O = Ba(IO3)2*H2O + NaNO3 =>
Ba(NO3)2 + 2 NaIO3 + H2O = Ba(IO3)2*H2O + 2 NaNO3
Mg(s) + O2 = MgO(s) =>
2 Mg(s) + O2 = 2 MgO(s)
FeS2 + Na2O2 = Fe2O3 + Na2SO4 + Na2O =>
2 FeS2 + 15 Na2O2 = Fe2O3 + 4 Na2SO4 + 11 Na2O
P4 + Na(OH) + H2O = PH3 + NaH2PO2 =>
P4 + 3 Na(OH) + 3 H2O = PH3 + 3 NaH2PO2
CuS + Cl = CuCl2 + S =>
CuS + 2 Cl = CuCl2 + S
Al + Mn(NO3)2 = Al(NO3)3 + Mn =>
2 Al + 3 Mn(NO3)2 = 2 Al(NO3)3 + 3 Mn
C4H7NO4 + O2 = CO2 + H2O + NO2 =>
4 C4H7NO4 + 19 O2 = 16 CO2 + 14 H2O + 4 NO2
Fe(NO3)3(aq) + Na2CO3(aq) = Fe2(CO3)3 + NaNO3 =>
2 Fe(NO3)3(aq) + 3 Na2CO3(aq) = Fe2(CO3)3 + 6 NaNO3
Li + C = Li2C2 =>
2 Li + 2 C = Li2C2
Os + O2 = OsO3 =>
2 Os + 3 O2 = 2 OsO3
C3H6 + O = CO + H2O =>
C3H6 + 6 O = 3 CO + 3 H2O
Al + O3 = Al2O3 =>
2 Al + O3 = Al2O3
NH4{+} + H2O = NH3 + H3O{+} =>
NH4{+} + H2O = NH3 + H3O{+}
K2Cr2O7 + BaCl2 + KOH = BaCrO4 + KCl + HCl =>
K2Cr2O7 + 2 BaCl2 + KOH = 2 BaCrO4 + 3 KCl + HCl
Cu + ZnBr2 = CuBr + Zn =>
2 Cu + ZnBr2 = 2 CuBr + Zn
Cu(NO3)2 + CuSO4 = Cu(SO4)2 + CuNO3 =>
Cu(NO3)2 + 2 CuSO4 = Cu(SO4)2 + 2 CuNO3
K2CrO4 + H2O2 + KOH = K3CrO8 + H2O =>
2 K2CrO4 + 7 H2O2 + 2 KOH = 2 K3CrO8 + 8 H2O
CoCl2(aq) + NaOH(aq) = Co(OH)2 + NaCl(aq) =>
CoCl2(aq) + 2 NaOH(aq) = Co(OH)2 + 2 NaCl(aq)
FeS2 + KMnO4 + H2SO4 = Fe(SO4) + MnSO4 + K2SO4 + H2O =>
5 FeS2 + 14 KMnO4 + 16 H2SO4 = 5 Fe(SO4) + 14 MnSO4 + 7 K2SO4 + 16 H2O
KMnO4 + CH3CH2OH + NaOH = CH3COOH + H2O + K2MnO4 + NaMnO4 =>
8 KMnO4 + CH3CH2OH + 4 NaOH = CH3COOH + 3 H2O + 4 K2MnO4 + 4 NaMnO4
C2H(g) + O2(g) = CO2(g) + H2O(g) =>
4 C2H(g) + 9 O2(g) = 8 CO2(g) + 2 H2O(g)
ClO2 + NaHS + NaOH = Na2S2O3 + NaCl + H2O =>
8 ClO2 + 10 NaHS + 8 NaOH = 5 Na2S2O3 + 8 NaCl + 9 H2O
Ba(NO3)2(aq) + K2SO4(aq) = BaSO4(s) + KNO3(aq) =>
Ba(NO3)2(aq) + K2SO4(aq) = BaSO4(s) + 2 KNO3(aq)
C8H8O2 + HNO3 = C8H7O4N + H2O =>
C8H8O2 + HNO3 = C8H7O4N + H2O
Mn(NO3)2 + KOH = MnOH + K(NO3)2 =>
Mn(NO3)2 + KOH = MnOH + K(NO3)2
H2S + K2CrO4 = K2S + Cr(OH)3 + S + H2O =>
5 H2S + 2 K2CrO4 = 2 K2S + 2 Cr(OH)3 + 3 S + 2 H2O
Mg(s) + Al(NO3)3 = Al(s) + Mg(NO3)2(aq) =>
3 Mg(s) + 2 Al(NO3)3 = 2 Al(s) + 3 Mg(NO3)2(aq)
Hg(SCN)2 + O2 = HgO + SO2 + CO2 + NO2 =>
2 Hg(SCN)2 + 13 O2 = 2 HgO + 4 SO2 + 4 CO2 + 4 NO2
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
CuSO4(aq) + NaI(aq) = CuI2(s) + Na2SO4(aq) =>
CuSO4(aq) + 2 NaI(aq) = CuI2(s) + Na2SO4(aq)
P4O6 + H2O = H2HPO3 =>
P4O6 + 6 H2O = 4 H2HPO3
CuSO4 + KOH = Cu(OH)2 + K2SO4 =>
CuSO4 + 2 KOH = Cu(OH)2 + K2SO4
Pb(NO3)2 + K4[Fe(CN)6] = Pb4[Fe(CN)6] + K(NO3)2 =>
4 Pb(NO3)2 + K4[Fe(CN)6] = Pb4[Fe(CN)6] + 4 K(NO3)2
Ag2O + HClO = AgCl + H2O + O2 =>
Ag2O + 2 HClO = 2 AgCl + H2O + O2
Sr(NO3)2(aq) + Na2CO3(aq) = SrCO3(s) + NaNO3(aq) =>
Sr(NO3)2(aq) + Na2CO3(aq) = SrCO3(s) + 2 NaNO3(aq)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/26/24
Équations équilibrées sur11/25/23
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