| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NO2(g) = N2O4(l)
HClCaOH2 = H3OCaCl =>
HClCaOH2 = H3OCaCl
CH3COOH = H2O + CH3COO + (CH3)2CO =>
11 CH3COOH = 4 H2O + 8 CH3COO + 2(CH3)2CO
Ta + H2SO4 = Ta(SO4)3 + H2 =>
Ta + 3 H2SO4 = Ta(SO4)3 + 3 H2
PbO2 + CrO + HNO3 = Pb(NO3)2 + HCrO4 + H2O =>
5 PbO2 + 2 CrO + 10 HNO3 = 5 Pb(NO3)2 + 2 HCrO4 + 4 H2O
NiS + H{+} + NO3{-} = Ni{+} + S + NO + H2O =>
3 NiS + 4 H{+} + NO3{-} = 3 Ni{+} + 3 S + NO + 2 H2O
FeCl2H8O4 + FeCl3H12O6 + NaOH = Fe3O4 + NaCl + H2O =>
FeCl2H8O4 + 2 FeCl3H12O6 + 8 NaOH = Fe3O4 + 8 NaCl + 20 H2O
(C2H5)2NH + H2O = (C2H5)2NH2 + OH =>
(C2H5)2NH + H2O = (C2H5)2NH2 + OH
Pr6O11 = Pr2O3 + O2 =>
Pr6O11 = 3 Pr2O3 + O2
Mg + P = MgP3 =>
Mg + 3 P = MgP3
Pb(NO3)2(aq) + CuSO4(aq) = PbSO4 + Cu(NO3)2 =>
Pb(NO3)2(aq) + CuSO4(aq) = PbSO4 + Cu(NO3)2
AlF(aq) + Cl(g) = AlCl + F =>
AlF(aq) + Cl(g) = AlCl + F
Na2S + Br2 + NaOH = NaBr + Na2SO4 + H2O =>
Na2S + 4 Br2 + 8 NaOH = 8 NaBr + Na2SO4 + 4 H2O
Ca(C2H3O2)2 + AgCO3 = Ag(C2H3O2)2 + CaCO3 =>
Ca(C2H3O2)2 + AgCO3 = Ag(C2H3O2)2 + CaCO3
Fe(II)Cl2 + H2 = Fe(II)H2 + Cl2 =>
Fe(II)Cl2 + H2 = Fe(II)H2 + Cl2
Li2CO3 + Fe(OH)3 = Fe2(CO3)3 + LiOH =>
3 Li2CO3 + 2 Fe(OH)3 = Fe2(CO3)3 + 6 LiOH
CO2 + H2O = (CH2O)6 + O2 =>
6 CO2 + 6 H2O = (CH2O)6 + 6 O2
Ag(NO3) + Al(I)3 = AgI + Al(NO3)3 =>
3 Ag(NO3) + Al(I)3 = 3 AgI + Al(NO3)3
Na{+} + Cl{-} = NaCl(aq) =>
Na{+} + Cl{-} = NaCl(aq)
CrHO + KOH = KCrO + H2O =>
CrHO + KOH = KCrO + H2O
Sb2(SO4)3 + KMnO4 + H2O = K2SO4 + H3SbO4 + MnSO4 + H2O4 =>
Sb2(SO4)3 + 2 KMnO4 + 4 H2O = K2SO4 + 2 H3SbO4 + 2 MnSO4 + H2O4
BaCl2 + KAl(SO4)2*12H2O = AlCl3 + BaSO4 + H2O + KCl =>
2 BaCl2 + KAl(SO4)2*12H2O = AlCl3 + 2 BaSO4 + 12 H2O + KCl
Sr3P2 = Sr + P =>
Sr3P2 = 3 Sr + 2 P
Cu + Hg(NO3)2 = Cu(NO3)2 + Hg =>
Cu + Hg(NO3)2 = Cu(NO3)2 + Hg
O3CaC = CaOCO2 =>
O3CaC = CaOCO2
H2PO2{-} + I2 = PO2{-} + HI =>
H2PO2{-} + I2 = PO2{-} + 2 HI
Cl2O + Mg(OH)2 = Mg(ClO)2 + H2O =>
Cl2O + Mg(OH)2 = Mg(ClO)2 + H2O
COH + H2 = CH4 + O2 =>
2 COH + 3 H2 = 2 CH4 + O2
AgNO3 + ZnSO4 = Ag2SO4 + Zn(NO3)2 =>
2 AgNO3 + ZnSO4 = Ag2SO4 + Zn(NO3)2
PbO + N2 = Pb3N2 + O2 =>
6 PbO + 2 N2 = 2 Pb3N2 + 3 O2
(CH2)3 = CH2 =>
(CH2)3 = 3 CH2
HBr + H2O = Br2 + H3O =>
2 HBr + 2 H2O = Br2 + 2 H3O
Al2 + (CO3)3 + Ca(OH)2 = Al(OH)3 + CaCO3 =>
Al2 + (CO3)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaCO3
CaS + NH4OH = CaOH + NH4S =>
CaS + NH4OH = CaOH + NH4S
Al2(SO4)3(aq) + Sr(No3)2(aq) = Al(No3)3(aq) + SrSO4(s) =>
Al2(SO4)3(aq) + 3 Sr(No3)2(aq) = 2 Al(No3)3(aq) + 3 SrSO4(s)
Mg3(PO4)2 + Li2S = Li3PO4 + MgS =>
Mg3(PO4)2 + 3 Li2S = 2 Li3PO4 + 3 MgS
Cr2O7 + KI = I2 + K2Cr2O7 =>
Cr2O7 + 2 KI = I2 + K2Cr2O7
Li2SO4 + H2O = Li{+} + O2 + H2SO4 + e =>
2 Li2SO4 + 2 H2O = 4 Li{+} + O2 + 2 H2SO4 + 4e
ZrN2O7H2O + C5H8O2 = ZrO2 + CO2 + H2O + N2 =>
12 ZrN2O7H2O + 5 C5H8O2 = 12 ZrO2 + 25 CO2 + 32 H2O + 12 N2
CuCl2(aq) + K2S(aq) = CuS + KCl =>
CuCl2(aq) + K2S(aq) = CuS + 2 KCl
P4 + KOH + H2O = P2H4 + KH2PO2 =>
3 P4 + 8 KOH + 8 H2O = 2 P2H4 + 8 KH2PO2
HPO4 + NaOH = HOH + NaPO4 =>
HPO4 + NaOH = HOH + NaPO4
CH2O + C5H10O4 + NaOH = C5H12O4 + NaCO2 =>
2 CH2O + 3 C5H10O4 + 2 NaOH = 3 C5H12O4 + 2 NaCO2
H2SiCl2 + H2O = H8Si4O4 + HCl =>
4 H2SiCl2 + 4 H2O = H8Si4O4 + 8 HCl
Ca(H2PO4)2(ac) + AgNO3 = Ca(NO3)2 + AgH2PO4 =>
Ca(H2PO4)2(ac) + 2 AgNO3 = Ca(NO3)2 + 2 AgH2PO4
Zn + CI2 = ZnCI2 =>
Zn + CI2 = ZnCI2
Na3PO4 + H2O = Na3H18PO13 =>
Na3PO4 + 9 H2O = Na3H18PO13
NaOH + (H3)PO4 = (Na3)PO4 + H2O =>
3 NaOH + (H3)PO4 = (Na3)PO4 + 3 H2O
Zn + O2 = ZnO = SO2 =>
2 Zn + O2 = 2 ZnO
NO2(aq) + HSO3NH2(aq) = HSO4(aq) + H20(l) + N2(g) =>
10 NO2(aq) + 20 HSO3NH2(aq) = 20 HSO4(aq) + 2 H20(l) + 15 N2(g)
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Équations équilibrées sur12/19/24
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