| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 KOH + H3PO4 = 3 H2O + K3PO4
C12H22O11(s) + O2(g) = CO2(g) + CH3CH2OH(l) =>
3 C12H22O11(s) + 3 O2(g) = 14 CO2(g) + 11 CH3CH2OH(l)
K2MnO4 + HCl + K2SO3 = MnCl2 + K2SO4 + KCl + H2O =>
K2MnO4 + 4 HCl + 2 K2SO3 = MnCl2 + 2 K2SO4 + 2 KCl + 2 H2O
C5H11NO2S + O2 = CON2H4 + H2SO4 + CO2 + H2O =>
2 C5H11NO2S + 15 O2 = CON2H4 + 2 H2SO4 + 9 CO2 + 7 H2O
Al + K2Cr2O7 + H2SO4 = Al2(SO4)3 + CrSO4 + K2SO4 + H2O =>
8 Al + 3 K2Cr2O7 + 21 H2SO4 = 4 Al2(SO4)3 + 6 CrSO4 + 3 K2SO4 + 21 H2O
HNO3 + H2S = NO2 + S2 + H2O =>
4 HNO3 + 2 H2S = 4 NO2 + S2 + 4 H2O
MnCl3 + K4FeCN6 = Mn4(FeCN6)3 + KCl =>
4 MnCl3 + 3 K4FeCN6 = Mn4(FeCN6)3 + 12 KCl
Na2S + Mg(C2H3O2)2 = NaC2H3O2 + MgS =>
Na2S + Mg(C2H3O2)2 = 2 NaC2H3O2 + MgS
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
CuCl2 + Ni3 = Cu + NiCl3 =>
9 CuCl2 + 2 Ni3 = 9 Cu + 6 NiCl3
CH2H6O + O2 = C2H4O2 + H2O =>
2 CH2H6O + 3 O2 = C2H4O2 + 6 H2O
C8H9NO2 + C4H9I = C12H17NO2 + HI =>
C8H9NO2 + C4H9I = C12H17NO2 + HI
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
DyBr3 = Dy + Br2 =>
2 DyBr3 = 2 Dy + 3 Br2
NaNO3 + Na = N2 + NaO2 =>
2 NaNO3 + Na = N2 + 3 NaO2
Sn + CrCl3 = Cr + SnCl4 =>
3 Sn + 4 CrCl3 = 4 Cr + 3 SnCl4
CH04 + NH03 + O02 = HCN + H2O =>
2 CH04 + 2 NH03 + 3 O02 = 2 HCN + 6 H2O
Pb(CH3CoO)2 + K + CrO4 = PbCrO4 + KCH3CoO =>
Pb(CH3CoO)2 + 2 K + CrO4 = PbCrO4 + 2 KCH3CoO
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
PbCO3(s) + HNO3(aq) = PbNO3 + HCO3 =>
PbCO3(s) + HNO3(aq) = PbNO3 + HCO3
FeCl2 + K2Cr2O7 + HCl = CrCl2 + FeCl3 + H2O + KCl =>
8 FeCl2 + K2Cr2O7 + 14 HCl = 2 CrCl2 + 8 FeCl3 + 7 H2O + 2 KCl
C7H5NaO3 + H2O = C7H6O3 + NaOH =>
C7H5NaO3 + H2O = C7H6O3 + NaOH
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Fe + HNO3(dil) = Fe(NO3)3 + NO + H2O =>
Fe + 4 HNO3(dil) = Fe(NO3)3 + NO + 2 H2O
NaO + H2ClO4 = NaClO4 + H2O =>
NaO + H2ClO4 = NaClO4 + H2O
NaNO3 + Ru(NO3)2 = Na(NO3)3 + RuNO3 =>
NaNO3 + 2 Ru(NO3)2 = Na(NO3)3 + 2 RuNO3
CaSO4*H2O + H2O = (CaSO4*2H2O) =>
CaSO4*H2O + H2O = (CaSO4*2H2O)
KNO3 + H2SO4 + (C6H5)2NH = KHSO4 + (C6H5)2NH2NO3 =>
KNO3 + H2SO4 + (C6H5)2NH = KHSO4 + (C6H5)2NH2NO3
CH2OH{-}CHOH{-}CHOH{-}CH2OH + Na = CH2ONa{-}CHONa{-}CH2ONa + H2 =>
2 CH2OH{-}CHOH{-}CHOH{-}CH2OH + 2 Na = 2 CH2ONa{-}CHONa{-}CH2ONa + H2
Cd + HC2H3O2 = CdC2H3O2 + H =>
Cd + HC2H3O2 = CdC2H3O2 + H
HCl + Mg(HCO3)2 = CO2 + H2O + MgCl2 =>
2 HCl + Mg(HCO3)2 = 2 CO2 + 2 H2O + MgCl2
Al + Ni(SO4) = Al2(SO4)3 + Ni =>
2 Al + 3 Ni(SO4) = Al2(SO4)3 + 3 Ni
H4TiO4 + Ca(OH) = Ti(OH) + CaO + H2O =>
H4TiO4 + 3 Ca(OH) = Ti(OH) + 3 CaO + 3 H2O
Ba(HCO3)2 + HCl = BaCl2 + H2O + CO2 =>
Ba(HCO3)2 + 2 HCl = BaCl2 + 2 H2O + 2 CO2
C6H6O + O = CO2 + H2 =>
C6H6O + 11 O = 6 CO2 + 3 H2
Al(OH)3 + F{-} = Al(OH)2F + OH{-} =>
Al(OH)3 + F{-} = Al(OH)2F + OH{-}
Pb2(aq) + KCl(aq) = PbCl2(s) + K(s) =>
Pb2(aq) + 4 KCl(aq) = 2 PbCl2(s) + 4 K(s)
C2H4O2 + O2 = H2O + CO2 =>
C2H4O2 + 2 O2 = 2 H2O + 2 CO2
C4H4(OH)2 + H2O2 = C6H4O + H2O =>
3 C4H4(OH)2 + H2O2 = 2 C6H4O + 6 H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
Al + CuSO4*5H2O = AlSO4 + Cu + H2O =>
Al + CuSO4*5H2O = AlSO4 + Cu + 5 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Sr(OH)2*8H2O(s) + NH4Cl(s) = SrCl2(aq) + NH3(aq) + H2O(l) =>
Sr(OH)2*8H2O(s) + 2 NH4Cl(s) = SrCl2(aq) + 2 NH3(aq) + 10 H2O(l)
Ca(HS)2 + HCl = CaCl2 + H2S =>
Ca(HS)2 + 2 HCl = CaCl2 + 2 H2S
C2H6O + NO2 = H2O + CO2 + N2 =>
2 C2H6O + 6 NO2 = 6 H2O + 4 CO2 + 3 N2
Fe(CH3CO2)3 + LiCO3 = Li(CH3CO2)3 + FeCO3 =>
Fe(CH3CO2)3 + LiCO3 = Li(CH3CO2)3 + FeCO3
C2H5NH2 + O2 = CO2 + H2O + N2 =>
4 C2H5NH2 + 15 O2 = 8 CO2 + 14 H2O + 2 N2
Mg + AgNO3 = Mg(NO3)2 + Ag =>
Mg + 2 AgNO3 = Mg(NO3)2 + 2 Ag
CH3CONH2 + H2O + H = CH3COOH + NH4 =>
CH3CONH2 + H2O + H = CH3COOH + NH4
Br2 + S2O4{2-} + H2O = H{+} + Br{-} + SO4{2-} =>
3 Br2 + S2O4{2-} + 4 H2O = 8 H{+} + 6 Br{-} + 2 SO4{2-}
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Équations équilibrées sur12/18/24
Équations équilibrées sur01/17/24
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