| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Br + Br{-} = Br3{-}
CHNNH + N2O4 = H2O + N2 + CO2 =>
4 CHNNH + 3 N2O4 = 4 H2O + 7 N2 + 4 CO2
CH3CO2H + CH3NH2 = CH3CONHCH3 + H2O =>
CH3CO2H + CH3NH2 = CH3CONHCH3 + H2O
C3H8O(l) + O2(g) = CO2 + H2O =>
2 C3H8O(l) + 9 O2(g) = 6 CO2 + 8 H2O
Fe(IO3)3 + F = Fe(F)3 + IO3 =>
Fe(IO3)3 + 3 F = Fe(F)3 + 3 IO3
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Pb + H(NO3) = Pb(NO3) + NO + H2O =>
3 Pb + 4 H(NO3) = 3 Pb(NO3) + NO + 2 H2O
Hg + HNO3 + KOH = K[Hg(NO3)2] + NO + H2O =>
3 Hg + 7 HNO3 + 3 KOH = 3 K[Hg(NO3)2] + NO + 5 H2O
Pb(NO3)2 + H2SO4 = PbH2 + (NO3)2SO4 =>
Pb(NO3)2 + H2SO4 = PbH2 + (NO3)2SO4
C4H7NO4 + C2HO2ClCa + NaOH = C8H7NO8Na4 + Ca(OH)2 + HCl =>
C4H7NO4 + 2 C2HO2ClCa + 4 NaOH = C8H7NO8Na4 + 2 Ca(OH)2 + 2 HCl
NH4Br + C3N4 = (NH4)3N + CBr4 =>
12 NH4Br + C3N4 = 4(NH4)3N + 3 CBr4
H2MnO2 + O2 + H2O = Mn(OH)3 =>
4 H2MnO2 + O2 + 2 H2O = 4 Mn(OH)3
Ca(OH)2 + NH4I = CaI2 + NH4OH =>
Ca(OH)2 + 2 NH4I = CaI2 + 2 NH4OH
H2SO4 + P = SO2 + H2O + H3PO4 =>
5 H2SO4 + 2 P = 5 SO2 + 2 H2O + 2 H3PO4
Mg(NO3)2 + Na(OH) = Na(NO3) + Mg(OH)2 =>
Mg(NO3)2 + 2 Na(OH) = 2 Na(NO3) + Mg(OH)2
Pb + TiO2 = PbO + Ti =>
2 Pb + TiO2 = 2 PbO + Ti
NH4H2PO4 + Cr(OH)3 = Cr(PO3)3 + H2O + NH3 =>
3 NH4H2PO4 + Cr(OH)3 = Cr(PO3)3 + 6 H2O + 3 NH3
H3PO4(aq) + NH4OH(aq) = (NH4)3PO4 + H2O =>
H3PO4(aq) + 3 NH4OH(aq) = (NH4)3PO4 + 3 H2O
NaBrO + Fe(OH)2 + H2O = HBr + Fe(OH)3 + NaOH =>
NaBrO + 2 Fe(OH)2 + 2 H2O = HBr + 2 Fe(OH)3 + NaOH
Cr + H2O2 = CrH2 + O2 =>
Cr + H2O2 = CrH2 + O2
ClO2 + H2O = HClO2HClO3 =>
2 ClO2 + H2O = HClO2HClO3
NaCl + Li2CO3 = Na2CO3 + LiCl =>
2 NaCl + Li2CO3 = Na2CO3 + 2 LiCl
FeCl3 + NaNo3 = Fe(No3)3 + NaCl =>
FeCl3 + 3 NaNo3 = Fe(No3)3 + 3 NaCl
KOH + Na = NaOH + K2 =>
2 KOH + 2 Na = 2 NaOH + K2
H2O + CO2 + Na2Y2B2O7 = Y2O3 + H3BO3 + Na2CO3 =>
3 H2O + CO2 + Na2Y2B2O7 = Y2O3 + 2 H3BO3 + Na2CO3
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
C7F4Br3H9 + O2 = CO2 + H2O + Br2O3 + O2F2 =>
2 C7F4Br3H9 + 27 O2 = 14 CO2 + 9 H2O + 3 Br2O3 + 4 O2F2
K + NO3 = K(NO3)4 =>
K + 4 NO3 = K(NO3)4
NH3 + Cu(NO3)2 = H3(NO3)2 + NCu =>
NH3 + Cu(NO3)2 = H3(NO3)2 + NCu
Zn(NO3)2 + NaOH = Zn(OH)2 + NaNO3 =>
Zn(NO3)2 + 2 NaOH = Zn(OH)2 + 2 NaNO3
NHO3 + Fe(OH)3 = Fe(NO3)3 + H2O =>
3 NHO3 + Fe(OH)3 = Fe(NO3)3 + 3 H2O
Na(s) + Cl(l) = NaCl(aq) =>
Na(s) + Cl(l) = NaCl(aq)
MnO4 + HCOOH = Mn2 + CO2 + H2O =>
2 MnO4 + 8 HCOOH = Mn2 + 8 CO2 + 8 H2O
FeNO3 + SrOH = FeOH + SrNO3 =>
FeNO3 + SrOH = FeOH + SrNO3
Mg + BaCO3 = MgCO3 + Ba =>
Mg + BaCO3 = MgCO3 + Ba
Al2O3 + C = Al + CO2 =>
2 Al2O3 + 3 C = 4 Al + 3 CO2
Pb(NO3)2 + NaFO4 = Na(NO3)2 + PbFO4 =>
Pb(NO3)2 + NaFO4 = Na(NO3)2 + PbFO4
H2C2O4 + NaOH = Na2C2O4 + HOH =>
H2C2O4 + 2 NaOH = Na2C2O4 + 2 HOH
CH3CO2H + PB(OH)2 = PB(C2H3O2)2 + H2O =>
2 CH3CO2H + PB(OH)2 = PB(C2H3O2)2 + 2 H2O
Zn(CH3COO)2 + NiSO4 = Zn(SO4)2 + Ni(CH3COO) =>
Zn(CH3COO)2 + 2 NiSO4 = Zn(SO4)2 + 2 Ni(CH3COO)
Zr(OH)4(s) + HNO3(aq) = Zr(NO3)4() + H2O() =>
Zr(OH)4(s) + 4 HNO3(aq) = Zr(NO3)4() + 4 H2O()
Co(NO3)2 + CrCl3 = Cr(NO3)3 + CoCl2 =>
3 Co(NO3)2 + 2 CrCl3 = 2 Cr(NO3)3 + 3 CoCl2
C2H5CH3 + K2Cr2O7 + H2SO4 = C6H5COOH + Cr2(SO4)3 + K2SO4 + H2O =>
21 C2H5CH3 + 25 K2Cr2O7 + 100 H2SO4 = 9 C6H5COOH + 25 Cr2(SO4)3 + 25 K2SO4 + 157 H2O
Zn*CuSO4 = Cu + ZnSO4 =>
Zn*CuSO4 = Cu + ZnSO4
HCl + CNO = C2HCl3 + N2H2O2 =>
3 HCl + 2 CNO = C2HCl3 + N2H2O2
IK + KMnO4 + H2O = I2 + MnO2 + K(OH) =>
6 IK + 2 KMnO4 + 4 H2O = 3 I2 + 2 MnO2 + 8 K(OH)
SO2 + H2SO4 = SOSO4 + H2O =>
SO2 + H2SO4 = SOSO4 + H2O
Al2O3 + H3PO4 = Al3(PO4)3 + H2O =>
3 Al2O3 + 6 H3PO4 = 2 Al3(PO4)3 + 9 H2O
(NH4)2SO4(aq) + ZnCl2(aq) = ZnSO4 + NH4Cl =>
(NH4)2SO4(aq) + ZnCl2(aq) = ZnSO4 + 2 NH4Cl
HCl + CaC2 + H2O = CaCl2 + HCO3 + H2 =>
2 HCl + CaC2 + 6 H2O = CaCl2 + 2 HCO3 + 6 H2
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