| Équations équilibrées la veille |
2 NH4NO3 + CaCO3 = Ca(NO3)2 + 2 NH3 + CO2 + H2O
(CH3(CH2)8CO2H) + O2 = CO2 + H2O =>
(CH3(CH2)8CO2H) + 14 O2 = 10 CO2 + 10 H2O
CUS + H2SO4 = CUSO4 + SO2 + H2O =>
CUS + 4 H2SO4 = CUSO4 + 4 SO2 + 4 H2O
Fe + H2SO4 = H2 + Fe2(SO4)2 =>
2 Fe + 2 H2SO4 = 2 H2 + Fe2(SO4)2
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
CH3CH2SH + KMnO4 + H2SO4 = CH3CH2SO3H + MnSO4 + K2SO4 + H2O =>
5 CH3CH2SH + 6 KMnO4 + 9 H2SO4 = 5 CH3CH2SO3H + 6 MnSO4 + 3 K2SO4 + 9 H2O
Na2O + Br2 = O + NaBr =>
Na2O + Br2 = O + 2 NaBr
AgF + MgCl2 = AgCl + MgF2 =>
2 AgF + MgCl2 = 2 AgCl + MgF2
Cu + H2SO4 = Cu{2+} + SO4{2-} + SO2 + H2O =>
Cu + 2 H2SO4 = Cu{2+} + SO4{2-} + SO2 + 2 H2O
Pb + H2SO4 = Pb(SO4)2 + H2 =>
Pb + 2 H2SO4 = Pb(SO4)2 + 2 H2
H2SO3 + NaOH = Na2SO3 + H2O =>
H2SO3 + 2 NaOH = Na2SO3 + 2 H2O
BaCrO4 + HC2H3O2 = Ba{2+} + Cr2O7{2-} + C2H3O2{-} + H2O =>
2 BaCrO4 + 2 HC2H3O2 = 2 Ba{2+} + Cr2O7{2-} + 2 C2H3O2{-} + H2O
(NH4)2Fe(SO4)2 + Na2S2O3 = FeSO3 + Na2SO4 + (NH4)2SO4 + NaFe(S2O3)3 =>
17(NH4)2Fe(SO4)2 + 9 Na2S2O3 = 15 FeSO3 + 8 Na2SO4 + 17(NH4)2SO4 + 2 NaFe(S2O3)3
Cl2 + AlBr3 = Br2 + AlCl3 =>
3 Cl2 + 2 AlBr3 = 3 Br2 + 2 AlCl3
NH4H2PO4 + MnO2 + H3PO4 = NH4MnP2O7 + H2O + O2 =>
4 NH4H2PO4 + 4 MnO2 + 4 H3PO4 = 4 NH4MnP2O7 + 10 H2O + O2
SnCl4 = Sn4 + Cl =>
4 SnCl4 = Sn4 + 16 Cl
Cl2 + CuI = CuCl + I2 =>
Cl2 + 2 CuI = 2 CuCl + I2
NaCl(s) + H2O(l) = NaOH(s) + Cl2(g) + H2(g) =>
2 NaCl(s) + 2 H2O(l) = 2 NaOH(s) + Cl2(g) + H2(g)
Na + H2O = Na4O2H3 + H4 =>
16 Na + 8 H2O = 4 Na4O2H3 + H4
Na2CO3 + NiSO4 + H2O = (NiOH)2SO4 + Na2SO4 + CO2 =>
Na2CO3 + 2 NiSO4 + H2O = (NiOH)2SO4 + Na2SO4 + CO2
NaHCO3 + H2SO4 = Na2SO4 + H2O + CO2 =>
2 NaHCO3 + H2SO4 = Na2SO4 + 2 H2O + 2 CO2
BN + F2 = BF3 + N2 =>
2 BN + 3 F2 = 2 BF3 + N2
(NH4)2SO4 + CaS = (NH4)2S + CaSO4 =>
(NH4)2SO4 + CaS = (NH4)2S + CaSO4
COCl3 + KOH = CO(OH)3 + KCl =>
COCl3 + 3 KOH = CO(OH)3 + 3 KCl
KBr2 + AgNO3 = AgBr2 + KNO3 =>
KBr2 + AgNO3 = AgBr2 + KNO3
Cr2O72{-} + CH3COO{-} + H{+} = Cr3{+} + CO2 + H2O =>
24 Cr2O72{-} + 427 CH3COO{-} + 467 H{+} = 16 Cr3{+} + 854 CO2 + 874 H2O
NH4Cl + Ca(OH)2 = CaCl2 + NH4 + NH + H2O =>
6 NH4Cl + 3 Ca(OH)2 = 3 CaCl2 + 4 NH4 + 2 NH + 6 H2O
Pb2O3 = PbO + O2 =>
2 Pb2O3 = 4 PbO + O2
S + P = P2S5 =>
5 S + 2 P = P2S5
Fe2O3 + CO = Fe3O4 + CO3 =>
6 Fe2O3 + CO = 4 Fe3O4 + CO3
Fe2(SO4)3 + NaI = Na2SO4 + FeI3 =>
Fe2(SO4)3 + 6 NaI = 3 Na2SO4 + 2 FeI3
K3CO3 + AgNO3 = AgCO3 + K3NO3 =>
K3CO3 + AgNO3 = AgCO3 + K3NO3
KMnO4 + AlI3 + H2SO4 = Mn2(SO4)2 + K2(SO4) + Al2(SO4)3 + I2 + H2O =>
6 KMnO4 + 10 AlI3 + 24 H2SO4 = 3 Mn2(SO4)2 + 3 K2(SO4) + 5 Al2(SO4)3 + 15 I2 + 24 H2O
Na7 + O3 = NaO =>
3 Na7 + 7 O3 = 21 NaO
CO + H2 = CH4H2O =>
CO + 3 H2 = CH4H2O
CH2H6OH + Na = CH2ONa + H2 =>
2 CH2H6OH + 2 Na = 2 CH2ONa + 7 H2
Fe + HCl = Cl2 + FeH2 =>
Fe + 2 HCl = Cl2 + FeH2
Ca3(C6H5O7)2 + NH4NO3 = N2 + CaHCO3 + H2O + CO2 =>
2 Ca3(C6H5O7)2 + 33 NH4NO3 = 33 N2 + 6 CaHCO3 + 73 H2O + 18 CO2
N2H9 + N2O4 = N2 + H2O =>
8 N2H9 + 9 N2O4 = 17 N2 + 36 H2O
Cr(NO3)6 + Na2S = CrS3 + NaNO3 =>
Cr(NO3)6 + 3 Na2S = CrS3 + 6 NaNO3
HNO3 + HF + Br2 = HBrF4 + NO2 + H2O =>
6 HNO3 + 8 HF + Br2 = 2 HBrF4 + 6 NO2 + 6 H2O
Cu + SO2 = Cu2SO + O =>
2 Cu + SO2 = Cu2SO + O
Mg(OH)2 + H2CO3 = MgCO3 + H2O =>
Mg(OH)2 + H2CO3 = MgCO3 + 2 H2O
FeCl3 + NaI = FeI3 + NaCl =>
FeCl3 + 3 NaI = FeI3 + 3 NaCl
Cr2O7{2-} + H{+} + C2O4{2-} = Cr{3+} + CO2 + H2O =>
Cr2O7{2-} + 14 H{+} + 3 C2O4{2-} = 2 Cr{3+} + 6 CO2 + 7 H2O
ArOH + NaOH = ArONa + H2O =>
ArOH + NaOH = ArONa + H2O
CaOH2SO4 = CaSO4H2O =>
CaOH2SO4 = CaSO4H2O
HMnO4 + CaO = Ca(MnO4)2 + H2O =>
2 HMnO4 + CaO = Ca(MnO4)2 + H2O
Na2B4O7 + HCl + H2O = H3BO3 + NaCl =>
Na2B4O7 + 2 HCl + 5 H2O = 4 H3BO3 + 2 NaCl
Fe + H2O2 = FeH2O2 =>
Fe + H2O2 = FeH2O2
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