| Équations équilibrées la veille |
5 MnO4{-} + 4 Fe2{+} + 6 H3O{+} = 5 MnO{+} + 4 Fe2O3 + 9 H2O
CH3CH(CH3)COOH + PCl3 = CH3CH(CH3)COCl + H3PO3 =>
3 CH3CH(CH3)COOH + PCl3 = 3 CH3CH(CH3)COCl + H3PO3
Al(NO3)3 = Al2O3 + N2 + O2 =>
4 Al(NO3)3 = 2 Al2O3 + 6 N2 + 15 O2
C70 + O3 = CO2 =>
3 C70 + 140 O3 = 210 CO2
FeCl3 + S2 = Fe2S3 + Cl2 =>
4 FeCl3 + 3 S2 = 2 Fe2S3 + 6 Cl2
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
Fe + K3[Fe(CN)6] = Fe[Fe(CN)6] + K =>
Fe + K3[Fe(CN)6] = Fe[Fe(CN)6] + 3 K
Cs + SO4 = Cs2(SO4) =>
2 Cs + SO4 = Cs2(SO4)
HClO4 + KOH = KClO4 + H2O =>
HClO4 + KOH = KClO4 + H2O
Cr6 + O2 = Cr2O3 =>
2 Cr6 + 9 O2 = 6 Cr2O3
CH4(g) + Cl2 = CHCl3 + HCl(g) =>
CH4(g) + 3 Cl2 = CHCl3 + 3 HCl(g)
BaCl2 + Al2(CrO4)3 = AlCl3 + BaCrO4 =>
3 BaCl2 + Al2(CrO4)3 = 2 AlCl3 + 3 BaCrO4
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Na2CO3 + NaHSO3 = Na2SO3 + NaHCO3 =>
Na2CO3 + NaHSO3 = Na2SO3 + NaHCO3
(Cu(NH3)4)(OH)2 + Na2S = CuS + NaOH + NH3 =>
(Cu(NH3)4)(OH)2 + Na2S = CuS + 2 NaOH + 4 NH3
NH4Cl + Ba(OH)2 = H2O + NH3 + BaCl2 =>
2 NH4Cl + Ba(OH)2 = 2 H2O + 2 NH3 + BaCl2
HCl + K(MnO4) = KCl + MnCl2 + H2O + Cl2 =>
16 HCl + 2 K(MnO4) = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Na2SO3 + HBr = NaBr + SO2 + H2O =>
Na2SO3 + 2 HBr = 2 NaBr + SO2 + H2O
Br2 + CuL = CuBr2 + L =>
Br2 + CuL = CuBr2 + L
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Ni + ClO3 = NiCl2 + O =>
Ni + 2 ClO3 = NiCl2 + 6 O
C4H10 + Br = C4H9Br + H =>
C4H10 + Br = C4H9Br + H
HC2H3O2 + NaHCO3 = CO2 + H2O + C2H3NaO2 =>
HC2H3O2 + NaHCO3 = CO2 + H2O + C2H3NaO2
H3PO4 + K2S = K3PO4 + H2S =>
2 H3PO4 + 3 K2S = 2 K3PO4 + 3 H2S
Fe(OH)3 + HCl = FeCl3 + H2O =>
Fe(OH)3 + 3 HCl = FeCl3 + 3 H2O
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NaOH + K = KOH + Na =>
NaOH + K = KOH + Na
CH3COOH + Na2CO3 = NaCH3COO + CO2 + H2O =>
2 CH3COOH + Na2CO3 = 2 NaCH3COO + CO2 + H2O
Pb(OH)4 + P2O5 = P(OH)5 + PbO2 =>
5 Pb(OH)4 + 2 P2O5 = 4 P(OH)5 + 5 PbO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
MgCl2 + S8 = MgS + Cl =>
8 MgCl2 + S8 = 8 MgS + 16 Cl
Ag(OH)2 = Ag + OH =>
Ag(OH)2 = Ag + 2 OH
CaCl2(s) + Na2CO3(s) = CaCO3 + NaCl =>
CaCl2(s) + Na2CO3(s) = CaCO3 + 2 NaCl
Li + Pb3N4 = Pb + LiN4 =>
Li + Pb3N4 = 3 Pb + LiN4
CuSO4 + NaO = NaSO4 + CuO =>
CuSO4 + NaO = NaSO4 + CuO
Fe(s) + O2(g) = Fe3O4(s) =>
3 Fe(s) + 2 O2(g) = Fe3O4(s)
ZnCl2 + HS = ZnH + Cl2S =>
ZnCl2 + HS = ZnH + Cl2S
CO2 + H2O + N2 = C9H28O2N + O2 =>
18 CO2 + 28 H2O + N2 = 2 C9H28O2N + 30 O2
MgSO4(aq) + NH4OH = (NH4)2SO4(aq) + Mg(OH)2(s) =>
MgSO4(aq) + 2 NH4OH = (NH4)2SO4(aq) + Mg(OH)2(s)
Fe + (C12H8N2)3 = Fe(C12H8N2)3 =>
Fe + (C12H8N2)3 = Fe(C12H8N2)3
C4H9OCl + KOH = C4H9OH + KCl + O =>
C4H9OCl + KOH = C4H9OH + KCl + O
C + OH = COH =>
C + OH = COH
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
A2 + B6C2 = B2A + A2C =>
7 A2 + 2 B6C2 = 6 B2A + 4 A2C
C3H5(g) + O2(g) = CO2(g) + H2O(g) =>
4 C3H5(g) + 17 O2(g) = 12 CO2(g) + 10 H2O(g)
Cl2 + H2O = OCl{-} + Cl{-} + H{+} =>
Cl2 + H2O = OCl{-} + Cl{-} + 2 H{+}
MgO + Fe(NO3)3*9H2O + Cu(NO3)2*3H2O + KOH + K2CO3 = CuMg4Fe2(OH)14CO3 + H2O + KNO3 =>
4 MgO + 2 Fe(NO3)3*9H2O + Cu(NO3)2*3H2O + 6 KOH + K2CO3 = CuMg4Fe2(OH)14CO3 + 17 H2O + 8 KNO3
H{+} + MnO2 + Hg + Cl{-} = Mn{2+} + Hg2Cl2 + H2O =>
4 H{+} + MnO2 + 2 Hg + 2 Cl{-} = Mn{2+} + Hg2Cl2 + 2 H2O
Hg + HNO3 = NH3 + Hg(NO3)2 + H2O =>
4 Hg + 9 HNO3 = NH3 + 4 Hg(NO3)2 + 3 H2O
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