| Équations équilibrées la veille | Équations équilibrées le lendemain |
24 H2O + 9 N2 + 8 CH4 = 18 NH4 + 8 HCO3
Ca + HCl = CaHCl =>
Ca + HCl = CaHCl
C4H8O2 + O = H2O + CO2 =>
C4H8O2 + 10 O = 4 H2O + 4 CO2
MgS(s) + AlCl3(g) = MgCl2(l) + Al2S3(s) =>
3 MgS(s) + 2 AlCl3(g) = 3 MgCl2(l) + Al2S3(s)
Ca3N2 + H2O = NH3 + Ca(OH)2 =>
Ca3N2 + 6 H2O = 2 NH3 + 3 Ca(OH)2
NH4OH + K2CrO4 = KOH + (NH4)2CrO4 =>
2 NH4OH + K2CrO4 = 2 KOH + (NH4)2CrO4
K(s) + H2O(l) = KOH(g) + H2(g) =>
2 K(s) + 2 H2O(l) = 2 KOH(g) + H2(g)
KPO4 + CaCl2 = CaPO4 + KCl2 =>
KPO4 + CaCl2 = CaPO4 + KCl2
[Zn(NH3)3Cl]Cl + HCl = ZnCl2 + NH4Cl =>
[Zn(NH3)3Cl]Cl + 3 HCl = ZnCl2 + 3 NH4Cl
S + NaOH = Na2S100 + Na2S2O3 + H2O =>
202 S + 6 NaOH = 2 Na2S100 + Na2S2O3 + 3 H2O
aluminum + sulfuricacid = Al2SO4 + H2 =>
2 Al + H2SO4 = Al2SO4 + H2
NiO2 + Mn(OH)2 = Mn2O3 + Ni(OH)2 + H2O =>
NiO2 + 2 Mn(OH)2 = Mn2O3 + Ni(OH)2 + H2O
H2O + Al4C3 = CH4 + Al2O3 =>
6 H2O + Al4C3 = 3 CH4 + 2 Al2O3
Cu(OH)2 + Na2(SO4) = Cu(SO4) + Na(OH) =>
Cu(OH)2 + Na2(SO4) = Cu(SO4) + 2 Na(OH)
S + NaOH = Na2S100 + Na2S2O3 + H2O =>
202 S + 6 NaOH = 2 Na2S100 + Na2S2O3 + 3 H2O
PbO + HNO3 = Pb(NO3)2 + H2O =>
PbO + 2 HNO3 = Pb(NO3)2 + H2O
Pb + Na2(CO3) = Pb(CO3) + Na =>
Pb + Na2(CO3) = Pb(CO3) + 2 Na
NaOH + NaCr(OH)4 + H2O2 = Na2CrO4 + H2O =>
2 NaOH + 2 NaCr(OH)4 + 3 H2O2 = 2 Na2CrO4 + 8 H2O
C2H5NH2 + HNO2 = C2H5OH + N2 + H2O =>
C2H5NH2 + HNO2 = C2H5OH + N2 + H2O
LiOH + Na2CrO4 = Na2(OH)2 + Li2CrO4 =>
2 LiOH + Na2CrO4 = Na2(OH)2 + Li2CrO4
Cr2O7{2-} + H3O{+} + e = Cr{3+} + H2O =>
Cr2O7{2-} + 14 H3O{+} + 6e = 2 Cr{3+} + 21 H2O
PbCl2 + NH4OH = Pb + NO + HCl =>
5 PbCl2 + 2 NH4OH = 5 Pb + 2 NO + 10 HCl
NaHCO3 + KHCO3 + Mg(HCO3)2 + Ca(HCO3)2 + Fe(HCO3)2 = NaMgKCaFe(H4C4O12)2 =>
NaHCO3 + KHCO3 + Mg(HCO3)2 + Ca(HCO3)2 + Fe(HCO3)2 = NaMgKCaFe(H4C4O12)2
NiSO4(aq) + Na2CO3(aq) = NiCO3(s) + Na2SO4(aq) =>
NiSO4(aq) + Na2CO3(aq) = NiCO3(s) + Na2SO4(aq)
WC + H2O2 + NaOH = Na2CO3 + Na2WO4 + H2O =>
WC + 5 H2O2 + 4 NaOH = Na2CO3 + Na2WO4 + 7 H2O
C6H6 + O2 = C6O + H6O =>
C6H6 + O2 = C6O + H6O
H2(SiO4) + Fe = Fe2(SiO4)3 + H2 =>
3 H2(SiO4) + 2 Fe = Fe2(SiO4)3 + 3 H2
HF + NaAlO2 = AlF3 + NaOH + H2O =>
3 HF + NaAlO2 = AlF3 + NaOH + H2O
Na2S(aq) + Cu(CH3COO)2(aq) = NaCH3COO(aq) + Cu2S2(s) =>
2 Na2S(aq) + 2 Cu(CH3COO)2(aq) = 4 NaCH3COO(aq) + Cu2S2(s)
Zn + CuSO4 = Cu + ZnSO4* =>
Zn + CuSO4 = Cu + ZnSO4*
FeS + KMnO4 = Fe(MnO4)2 + K2S =>
FeS + 2 KMnO4 = Fe(MnO4)2 + K2S
H{+} + Na2CO3 = CO2 + H2O + Na{+} =>
2 H{+} + Na2CO3 = CO2 + H2O + 2 Na{+}
BaCl2(aq) + Al2(SO4)3(aq) = Ba(SO4)(aq) + AlCl3(aq) =>
3 BaCl2(aq) + Al2(SO4)3(aq) = 3 Ba(SO4)(aq) + 2 AlCl3(aq)
KMnO4 = KMnO2 + O2 = h2o =>
KMnO4 = KMnO2 + O2
(NH4)(NO3) + Na2HPO4 = (NH4)2HPO4 + NaNO3 =>
2(NH4)(NO3) + Na2HPO4 = (NH4)2HPO4 + 2 NaNO3
PbI2 + HNO3 = PbNO3 + NO2 + I2 + H2O =>
PbI2 + 2 HNO3 = PbNO3 + NO2 + I2 + H2O
HNO2 + KMnO4 + H2SO4 = HNO3 + MnSO4 + H2O + K2SO4 =>
5 HNO2 + 2 KMnO4 + 3 H2SO4 = 5 HNO3 + 2 MnSO4 + 3 H2O + K2SO4
K2Cr2O7 + H3PO2 + H2SO4 = Cr2(SO4)3 + H3PO4 + K2SO4 + H2O =>
2 K2Cr2O7 + 3 H3PO2 + 8 H2SO4 = 2 Cr2(SO4)3 + 3 H3PO4 + 2 K2SO4 + 8 H2O
C3H7N + H2 = C3H8 + NH3 =>
C3H7N + 2 H2 = C3H8 + NH3
La2(CO3)3 = La2O3 + CO2 =>
La2(CO3)3 = La2O3 + 3 CO2
Cu + NaOH + H2O = NaCuO2 + H2 =>
2 Cu + 2 NaOH + 2 H2O = 2 NaCuO2 + 3 H2
H2O + N2 + CH4 = NH4 + HCO3 =>
24 H2O + 9 N2 + 8 CH4 = 18 NH4 + 8 HCO3
SiO2 + Mg3Al2Si3O12 = Mg2Al4Si5O18 + Mg2Si2O6 =>
3 SiO2 + 2 Mg3Al2Si3O12 = Mg2Al4Si5O18 + 2 Mg2Si2O6
H2O + Al4C3 = CH4 + Al2O3 =>
6 H2O + Al4C3 = 3 CH4 + 2 Al2O3
Ca(HCO3)2 = CO2 + CaCO3 + H2O =>
Ca(HCO3)2 = CO2 + CaCO3 + H2O
HCH2ClO2 + NaOH = HCH2OH + NaClO2 =>
HCH2ClO2 + NaOH = HCH2OH + NaClO2
CUSO4 + KL = CUL2 + K2SO4 =>
CUSO4 + 2 KL = CUL2 + K2SO4
aluminum + sulfuricacid = Al2SO4 + H2 =>
2 Al + H2SO4 = Al2SO4 + H2
NaCl(aq) + PbC2H3O2(aq) = Na2C2H3O2(aq) + PbCl2(s) =>
2 NaCl(aq) + PbC2H3O2(aq) = Na2C2H3O2(aq) + PbCl2(s)
H2O + N2 + CH4 = NH4 + HCO3 =>
24 H2O + 9 N2 + 8 CH4 = 18 NH4 + 8 HCO3
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Équations équilibrées sur09/20/24
Équations équilibrées sur10/20/23
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