| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NO2 + 3 H2 = 2 NH3 + 4 O
Cl + PO4 = Cl3PO4 =>
3 Cl + PO4 = Cl3PO4
Sn(OH)4 = SnO2 + HOH =>
Sn(OH)4 = SnO2 + 2 HOH
Br2O7 = Br6 + O =>
3 Br2O7 = Br6 + 21 O
Fe(OH)Cl2 + NaOH = NaCl + Fe(OH)3 =>
Fe(OH)Cl2 + 2 NaOH = 2 NaCl + Fe(OH)3
C4H10O + K2Cr2O7 + H2SO4 = C4H7O + K2SO4 + Cr2(SO4)3 + H2O =>
2 C4H10O + K2Cr2O7 + 4 H2SO4 = 2 C4H7O + K2SO4 + Cr2(SO4)3 + 7 H2O
Co + HNO3 = Co(NO3)2 + N2O + H2O =>
4 Co + 10 HNO3 = 4 Co(NO3)2 + N2O + 5 H2O
K2CO3 + NH4Br = K2Br + NH4CO3 =>
K2CO3 + NH4Br = K2Br + NH4CO3
Al2O3 + Fe2 = Al3 + Fe3O4 =>
24 Al2O3 + 27 Fe2 = 16 Al3 + 18 Fe3O4
RbI2 + AgNO3 = AgI2 + RbNO3 =>
RbI2 + AgNO3 = AgI2 + RbNO3
Pb + Cr2O7{2-} + H{+} = Pb{2+} + Cr{+3} + H2O =>
3 Pb + Cr2O7{2-} + 14 H{+} = 3 Pb{2+} + 2 Cr{+3} + 7 H2O
Pb + HNO3 = Pb(NO3)2 + NO2 + H2O =>
Pb + 4 HNO3 = Pb(NO3)2 + 2 NO2 + 2 H2O
FeS2 + NO2 + H2O = Fe2(SO4)3 + H2SO4 + NO =>
2 FeS2 + 15 NO2 + H2O = Fe2(SO4)3 + H2SO4 + 15 NO
Li2CO3 + PbBr2 = LiBr + PbCO3 =>
Li2CO3 + PbBr2 = 2 LiBr + PbCO3
As2S3 + NaOH + Cl2 = Na2SO4 + AsO4 + H2O + NaCl =>
As2S3 + 40 NaOH + 17 Cl2 = 3 Na2SO4 + 2 AsO4 + 20 H2O + 34 NaCl
SnCl4*5H2O + Na2S = SnS2 + H2O + NaCl =>
SnCl4*5H2O + 2 Na2S = SnS2 + 5 H2O + 4 NaCl
AlBr3H2SO4 = AlSO4H2Br3 =>
AlBr3H2SO4 = AlSO4H2Br3
Au + NaCN + O2 + H2O = NaAu(CN)2 + NaOH =>
4 Au + 8 NaCN + O2 + 2 H2O = 4 NaAu(CN)2 + 4 NaOH
N2O5 = N2 + O2 =>
2 N2O5 = 2 N2 + 5 O2
(Na2)CO3 + Ba(OH)2 = Na(OH) + BaCO3 =>
(Na2)CO3 + Ba(OH)2 = 2 Na(OH) + BaCO3
Fe2(SO4)3 + CaCl2 = CaSO4 + FeCl3 =>
Fe2(SO4)3 + 3 CaCl2 = 3 CaSO4 + 2 FeCl3
Al + HNO3 = Al(NO3)3 + NO2 + H2O =>
Al + 6 HNO3 = Al(NO3)3 + 3 NO2 + 3 H2O
H2SO4 + KNO2 + KMnO4 = H2O + K2SO4 + KNO3 + MnSO4 =>
3 H2SO4 + 5 KNO2 + 2 KMnO4 = 3 H2O + K2SO4 + 5 KNO3 + 2 MnSO4
Na2O + HBr = NaBr + H2O = =>
Na2O + 2 HBr = 2 NaBr + H2O
NH4OH + H2SO4 = (NH4)2SO4 + HOH =>
2 NH4OH + H2SO4 = (NH4)2SO4 + 2 HOH
H2SO4 + Cu + NaNO3 = CuSO4 + Na2SO4 + NO + H2O =>
4 H2SO4 + 3 Cu + 2 NaNO3 = 3 CuSO4 + Na2SO4 + 2 NO + 4 H2O
S2O3{2-} + MnO4{-} + H{+} = SO4{-2} + Mn{+2} + H2O =>
5 S2O3{2-} + 8 MnO4{-} + 14 H{+} = 10 SO4{-2} + 8 Mn{+2} + 7 H2O
Cl2(aq) + AgNO3 = (NO3)2(aq) + AgCl(s) =>
Cl2(aq) + 2 AgNO3 = (NO3)2(aq) + 2 AgCl(s)
Co + HNO3 = Co(NO3)2 + NO2 + H2O =>
Co + 4 HNO3 = Co(NO3)2 + 2 NO2 + 2 H2O
ZnS + O2 = ZnOSO2 =>
2 ZnS + 3 O2 = 2 ZnOSO2
C6H3Cl3 + O2 + NaOH = CO2 + H2O + NaCl =>
C6H3Cl3 + 6 O2 + 3 NaOH = 6 CO2 + 3 H2O + 3 NaCl
As2S5 + NO3{-} + H2O = AsO4{-3} + SO4{-2} + NO + H3O{+} =>
3 As2S5 + 40 NO3{-} + 12 H2O = 6 AsO4{-3} + 15 SO4{-2} + 40 NO + 8 H3O{+}
Zn + S2 = ZnS =>
2 Zn + S2 = 2 ZnS
CO2 + Mg = MgO + C2 =>
2 CO2 + 4 Mg = 4 MgO + C2
NH4OH + CaI2 = Ca(OH)2 + NH4I =>
2 NH4OH + CaI2 = Ca(OH)2 + 2 NH4I
Al + HNO3 = Al(NO3)3 + N2O + H2O =>
8 Al + 30 HNO3 = 8 Al(NO3)3 + 3 N2O + 15 H2O
K2(CuBr4) = KBr + CuBr2 =>
K2(CuBr4) = 2 KBr + CuBr2
CH4OH + KOH = CH4OK + H2O =>
CH4OH + KOH = CH4OK + H2O
Pb(NO3)2 + KI = PbI2 + K(NO3) =>
Pb(NO3)2 + 2 KI = PbI2 + 2 K(NO3)
Zn2CO3(heat) = Zn + CO3 =>
Zn2CO3(heat) = 2 Zn + CO3
Si + HNO3(conc) = H2SiO3 + NO2 + H2O =>
Si + 4 HNO3(conc) = H2SiO3 + 4 NO2 + H2O
C8H22N2Si + H2O = C8H19N + NH3 + SiH4 + O2 =>
C8H22N2Si + 2 H2O = C8H19N + NH3 + SiH4 + O2
H2SO4BaSO3 = SO2H2OBaSO4 =>
H2SO4BaSO3 = SO2H2OBaSO4
LiCO3 + CH3COOH = H2O + CO2 + CH3CH2COOLi =>
8 LiCO3 + 15 CH3COOH = 10 H2O + 14 CO2 + 8 CH3CH2COOLi
H16 = H12 =>
3 H16 = 4 H12
C6H12C6 + O2 = CO2 + H2O =>
C6H12C6 + 15 O2 = 12 CO2 + 6 H2O
HCH3CO2 + NaOH = NaCO2 + HCH3OH2 =>
7 HCH3CO2 + 8 NaOH = 8 NaCO2 + 6 HCH3OH2
Pb(No3)2 + BaCl2 = PbCl2 + Ba(No3)2 =>
Pb(No3)2 + BaCl2 = PbCl2 + Ba(No3)2
Zn + HC2H3O2 = Zn(C2H3O2)2 + H2 =>
Zn + 2 HC2H3O2 = Zn(C2H3O2)2 + H2
HCl + HNO3 = NO2 + H2O + Cl2 =>
2 HCl + 2 HNO3 = 2 NO2 + 2 H2O + Cl2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur01/09/25
Équations équilibrées sur02/08/24
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