| Équations équilibrées la veille |
AsO4 + H2O = HAsO4 + OH
CuO(s) + C(s) = Cu(s) + CO2(g) =>
2 CuO(s) + C(s) = 2 Cu(s) + CO2(g)
H2SO4 + KMnO4 + C3H6O3 = CO2 + H2O + K2SO4 + MnSO4 =>
18 H2SO4 + 12 KMnO4 + 5 C3H6O3 = 15 CO2 + 33 H2O + 6 K2SO4 + 12 MnSO4
PbO(s) + O2(g) = PbO2(s) =>
2 PbO(s) + O2(g) = 2 PbO2(s)
B4H10 + O2 = B2O3 + H2O =>
2 B4H10 + 11 O2 = 4 B2O3 + 10 H2O
C6H5COO + H2O = H3O + C6H4COO =>
C6H5COO + H2O = H3O + C6H4COO
ClKBr = KCl + Br =>
ClKBr = KCl + Br
Fe(CN)2 = Fe + CN =>
Fe(CN)2 = Fe + 2 CN
Zn(s) + Mg(NO3)2(aq) = Zn(NO3)2 + Mg =>
Zn(s) + Mg(NO3)2(aq) = Zn(NO3)2 + Mg
NaOH + Fe(ClO4)3 = Fe(OH)3 + NaClO4 =>
3 NaOH + Fe(ClO4)3 = Fe(OH)3 + 3 NaClO4
SiH2O3 + Bi = Bi2(SiO3)3 + H2 =>
3 SiH2O3 + 2 Bi = Bi2(SiO3)3 + 3 H2
NiCl2(aq) + AgNO3(aq) = NiNO3(aq) + AgCl2(s) =>
NiCl2(aq) + AgNO3(aq) = NiNO3(aq) + AgCl2(s)
NaCl + CH3COOH = C2H3NaO2 + HCl =>
NaCl + CH3COOH = C2H3NaO2 + HCl
C60H100O40N + H2O = CO2 + NO3 + H =>
C60H100O40N + 83 H2O = 60 CO2 + NO3 + 266 H
KCl + Cl = KCl5 =>
KCl + 4 Cl = KCl5
P4S3 + Br2 = P4S5 + PBr3 =>
5 P4S3 + 12 Br2 = 3 P4S5 + 8 PBr3
C9H11NO2 + O2 = CO2 + H2O + N2O4 =>
4 C9H11NO2 + 47 O2 = 36 CO2 + 22 H2O + 2 N2O4
FeSO4(aq) + Ba(OH)2(aq) = Fe(OH)2(s) + BaSO4(aq) =>
FeSO4(aq) + Ba(OH)2(aq) = Fe(OH)2(s) + BaSO4(aq)
Cu + KNO3 + HCl = Cu(NO3)2 + NO2 + KCl + H2O =>
Cu + 4 KNO3 + 4 HCl = Cu(NO3)2 + 2 NO2 + 4 KCl + 2 H2O
CH3COO + Zn = CH3COOZn =>
CH3COO + Zn = CH3COOZn
Al(OH)3 + Ca(OH)2 = Ca(Al(OH)4)2 =>
2 Al(OH)3 + Ca(OH)2 = Ca(Al(OH)4)2
Cr(NO3)2 + CuSO4 = Cu + Cr(NO3)3 + CrSO4 =>
3 Cr(NO3)2 + CuSO4 = Cu + 2 Cr(NO3)3 + CrSO4
C6H8 + H2 = C6H12 =>
C6H8 + 2 H2 = C6H12
PbO + NH4Cl = PbCl2 + NH3 + H2O =>
PbO + 2 NH4Cl = PbCl2 + 2 NH3 + H2O
Ca(HSO4)2 = CaSO4 + H2O + SO3 =>
Ca(HSO4)2 = CaSO4 + H2O + SO3
Fe2S3 + O2 = Fe + SO2 =>
Fe2S3 + 3 O2 = 2 Fe + 3 SO2
Cu(NO3)2 + Na2SO4 = CuSO4 + Na(NO3) =>
Cu(NO3)2 + Na2SO4 = CuSO4 + 2 Na(NO3)
MgS + HNO3 = S + NO + Mg(NO3)2 + H2O =>
3 MgS + 8 HNO3 = 3 S + 2 NO + 3 Mg(NO3)2 + 4 H2O
SO4 + H = SO2 + H2O =>
SO4 + 4 H = SO2 + 2 H2O
NaCl(aq) + ZnSO4(aq) = Na2SO4 + ZnCl2 =>
2 NaCl(aq) + ZnSO4(aq) = Na2SO4 + ZnCl2
HBrO3 = Br2 + H2O + O2 =>
4 HBrO3 = 2 Br2 + 2 H2O + 5 O2
Fe2O3(s) + C = Fe(s) + CO =>
Fe2O3(s) + 3 C = 2 Fe(s) + 3 CO
CH3CH2OH + CuO = CH3CHO + H2O + Cu =>
CH3CH2OH + CuO = CH3CHO + H2O + Cu
SiO + CO2 = SiCO3 =>
SiO + CO2 = SiCO3
Mg3P2 + H2 = Mg + H3P =>
Mg3P2 + 3 H2 = 3 Mg + 2 H3P
Fe2O3(s) + C = Fe(s) + CO =>
Fe2O3(s) + 3 C = 2 Fe(s) + 3 CO
H2SO4 + Pb(CH3COO)2 = PbSO4 + HCH3COO =>
H2SO4 + Pb(CH3COO)2 = PbSO4 + 2 HCH3COO
Ne + N2 = NeN2 =>
Ne + N2 = NeN2
Mg3(PO4)2 = Mg3P2 + O2 =>
Mg3(PO4)2 = Mg3P2 + 4 O2
NaHCO3 + NaCl = HCl + CO2 + Na2O =>
NaHCO3 + NaCl = HCl + CO2 + Na2O
CuCl2 + Na2SO3 + NaOH = CuCl + Na2SO4 + NaCl + H2O =>
2 CuCl2 + Na2SO3 + 2 NaOH = 2 CuCl + Na2SO4 + 2 NaCl + H2O
C2H5N + HCl = C2H6N + Cl =>
C2H5N + HCl = C2H6N + Cl
C7H16 = C + H2 =>
C7H16 = 7 C + 8 H2
CuCl2(aq) + Na2S(aq) = CuS + NaCl(aq) =>
CuCl2(aq) + Na2S(aq) = CuS + 2 NaCl(aq)
C2H6Cl2 = C2H5Cl + HCl =>
C2H6Cl2 = C2H5Cl + HCl
Ra + Cl2 = RaCl2 =>
Ra + Cl2 = RaCl2
CH3CH2OH + CrO3 + H2SO4 = CH3CHO + Cr2(SO4)3 + H2O =>
3 CH3CH2OH + 2 CrO3 + 3 H2SO4 = 3 CH3CHO + Cr2(SO4)3 + 6 H2O
NiCl2(aq) + (NH4)2S(aq) = NiS + NH4Cl =>
NiCl2(aq) + (NH4)2S(aq) = NiS + 2 NH4Cl
H2SiO3 + Fe(OH)2 = Fe2(SiO3)2 + H2O =>
2 H2SiO3 + 2 Fe(OH)2 = Fe2(SiO3)2 + 4 H2O
Cr + ClO4{-} + H2O = Cr2O7{2-} + Cl2 + H{+} =>
14 Cr + 12 ClO4{-} + H2O = 7 Cr2O7{2-} + 6 Cl2 + 2 H{+}
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