| Équations équilibrées la veille |
2 HOOC(CH2)8COOH + 25 O2 = 20 CO2 + 18 H2O
Na2(CO3) + Fe(NO3)2 = Fe(CO3) + Na2(NO3)2 =>
Na2(CO3) + Fe(NO3)2 = Fe(CO3) + Na2(NO3)2
NaOH + Pb(NO3)2(ac) = NaNO3(ac) + Pb(OH)2(s) =>
2 NaOH + Pb(NO3)2(ac) = 2 NaNO3(ac) + Pb(OH)2(s)
Na2OH2SO3 = Na2SO3H2O =>
Na2OH2SO3 = Na2SO3H2O
KOH + CuSO4 = CuOHKSO4 =>
KOH + CuSO4 = CuOHKSO4
Na2CrO4 + Cl2 = NaCl + CrO4 =>
Na2CrO4 + Cl2 = 2 NaCl + CrO4
K2O + SO3 = K2SO4 =>
K2O + SO3 = K2SO4
K2Cr2O7 + HCl + CH3CH2CHO = CrCl3 + H2O + CH3CH2COOH + KCl =>
K2Cr2O7 + 8 HCl + 3 CH3CH2CHO = 2 CrCl3 + 4 H2O + 3 CH3CH2COOH + 2 KCl
P = P3 =>
3 P = P3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Cr + CO3 = Cr(CO3) =>
Cr + CO3 = Cr(CO3)
C3H8(OH)3 + KMnO4 = K2CO3 + Mn2O + CO2 + H2O =>
12 C3H8(OH)3 + 34 KMnO4 = 17 K2CO3 + 17 Mn2O + 19 CO2 + 66 H2O
C6H11 + H2SO4 = C6H12 + SO4 =>
2 C6H11 + H2SO4 = 2 C6H12 + SO4
Cu2S + HNO3 = CuO2 + NO + S + H2O =>
3 Cu2S + 8 HNO3 = 6 CuO2 + 8 NO + 3 S + 4 H2O
N + H = NH4 =>
N + 4 H = NH4
NH3 + O2 + CH4 = HCN + H2O =>
2 NH3 + 3 O2 + 2 CH4 = 2 HCN + 6 H2O
CaCO3(s) + HBr(aq) = CaBr2(aq) + H2O(l) + CO2(g) =>
CaCO3(s) + 2 HBr(aq) = CaBr2(aq) + H2O(l) + CO2(g)
PbNO32(aq) + KCl(aq) = PbCl + KNO32 =>
PbNO32(aq) + KCl(aq) = PbCl + KNO32
Na2S + FeCl3 = Na2Fe + SCl3 =>
Na2S + FeCl3 = Na2Fe + SCl3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C6H12O6 + HNO3 = C6H8O10 + NO2 + H2O =>
C6H12O6 + 12 HNO3 = C6H8O10 + 12 NO2 + 8 H2O
CaCO3(s) = CaO(s) + CO2(g)CaCO3(s) = CaO(s) + CO2(g) =>
2 CaCO3(s) = CaO(s) + CO2(g)CaCO3(s)
CaSiO3CO2 = CaCO3SiO2 =>
CaSiO3CO2 = CaCO3SiO2
Pb(N3)2 + Cr(MnO4)2 = Cr2O3 + MnO2 + Pb3O4 + NO =>
15 Pb(N3)2 + 44 Cr(MnO4)2 = 22 Cr2O3 + 88 MnO2 + 5 Pb3O4 + 90 NO
As + Cl2 = AsCl3 =>
2 As + 3 Cl2 = 2 AsCl3
N2H2 = N3H3 =>
3 N2H2 = 2 N3H3
Ba(OH)2 + H(NO2) = Ba(NO2)2 + H2O =>
Ba(OH)2 + 2 H(NO2) = Ba(NO2)2 + 2 H2O
LiOH(aq) + BaCl2(aq) = LiCl(aq) + Ba(OH)2(s) =>
2 LiOH(aq) + BaCl2(aq) = 2 LiCl(aq) + Ba(OH)2(s)
PbCl2 + Na2SO4 = PbSO4 + NaCl =>
PbCl2 + Na2SO4 = PbSO4 + 2 NaCl
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
Zn(s) + HNO3(aq) = Zn(NO3)2(aq) + H2(g) =>
Zn(s) + 2 HNO3(aq) = Zn(NO3)2(aq) + H2(g)
K2S + Pb(NO3)2 = PbS + KNO3 =>
K2S + Pb(NO3)2 = PbS + 2 KNO3
HPO4 + H + NH4 + MoO4 = (NH4)3[P(Mo3O10)4] + H2O =>
HPO4 + 23 H + 3 NH4 + 12 MoO4 = (NH4)3[P(Mo3O10)4] + 12 H2O
H2S + OH = H2O + SO =>
H2S + 4 OH = 3 H2O + SO
Co(OH)2 + HCl = CoCl2 + H2O =>
Co(OH)2 + 2 HCl = CoCl2 + 2 H2O
CaO3 + Al = Al2O3 + Ca =>
CaO3 + 2 Al = Al2O3 + Ca
Ba(NO3)2 + Na2CrO4 = BaCrO4 + NaNO3 =>
Ba(NO3)2 + Na2CrO4 = BaCrO4 + 2 NaNO3
Ag(NH3)2 + Cl2 + HNO3 = Ag(NO3) + HCl + NH3 =>
2 Ag(NH3)2 + Cl2 + 2 HNO3 = 2 Ag(NO3) + 2 HCl + 4 NH3
FeCO3 + HClO4 = HCO3 + FeClO4 =>
FeCO3 + HClO4 = HCO3 + FeClO4
K2CO3 + FeCl3 = Fe3(CO3)2 + (K2)2(Cl3)3 =>
2 K2CO3 + 3 FeCl3 = Fe3(CO3)2 + (K2)2(Cl3)3
HCO31{-} + H3C6H5O7 = CO2 + H2O + C6H5O7{-}3 =>
HCO31{-} + 4 H3C6H5O7 = 19 CO2 + 14 H2O + C6H5O7{-}3
C4H9OH + K2Cr2O7 + H2SO4 = C4H7COOH + Cr2(SO4)3 + K2SO4 + H2O =>
5 C4H9OH + 4 K2Cr2O7 + 16 H2SO4 = 4 C4H7COOH + 4 Cr2(SO4)3 + 4 K2SO4 + 25 H2O
NO3H + Sn = H2SnO3 + H2O + NO2 =>
4 NO3H + Sn = H2SnO3 + H2O + 4 NO2
Al2O3 + H3O = Al + H2O =>
Al2O3 + 6 H3O = 2 Al + 9 H2O
Fe(OH)3 + Na = Fe(OH)2 + NaOH =>
Fe(OH)3 + Na = Fe(OH)2 + NaOH
KOH + NaHCO3 = K2CO3 + NaOH + H2O =>
2 KOH + NaHCO3 = K2CO3 + NaOH + H2O
C2H3NCO + H2O = C2H3NH2 + CO2 =>
C2H3NCO + H2O = C2H3NH2 + CO2
Co(OH)2 + HCl = CoCl2 + H2O =>
Co(OH)2 + 2 HCl = CoCl2 + 2 H2O
Na2WO4 + HCl + Zn = WO2 + NaCl + ZnCl2 + H2O =>
Na2WO4 + 4 HCl + Zn = WO2 + 2 NaCl + ZnCl2 + 2 H2O
ZnO + Fe(OH)2 = Zn(FeO2)2 + H2O + H2 =>
ZnO + 2 Fe(OH)2 = Zn(FeO2)2 + H2O + H2
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