| Équations équilibrées la veille |
Ru2 + O2 = 2 RuO
Ca(NO3)2 + KOH = Ca(OH)2 + K2(NO3)2 =>
Ca(NO3)2 + 2 KOH = Ca(OH)2 + K2(NO3)2
Cu(NO3)2(aq) + K4Fe(CN)6(aq) = Cu2Fe(CN)6(s) + KNO3(aq) =>
2 Cu(NO3)2(aq) + K4Fe(CN)6(aq) = Cu2Fe(CN)6(s) + 4 KNO3(aq)
CuSO4 + Fe(OH)3 = Cu(OH)2 + Fe2(SO4)3 =>
3 CuSO4 + 2 Fe(OH)3 = 3 Cu(OH)2 + Fe2(SO4)3
V10O28{6-} + H2SO3 + H{+} = VO{+2} + H2SO4{-} + H2O =>
V10O28{6-} + 10 H2SO3 + 16 H{+} = 10 VO{+2} + 10 H2SO4{-} + 8 H2O
KI + MnO2 + H2O = KOH + MnO + I2 =>
2 KI + MnO2 + H2O = 2 KOH + MnO + I2
LiH + H2O = LiO + H =>
LiH + H2O = LiO + 3 H
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
FeS + Co = FeSCo =>
FeS + Co = FeSCo
HNO3 + KOH(aq) = KNO3(aq) + H2O(l) =>
HNO3 + KOH(aq) = KNO3(aq) + H2O(l)
Na2C2O4 + KMnO4 + H2SO4 = Na2SO4 + CO2 + MnSO4 + H2O + K2SO4 =>
5 Na2C2O4 + 2 KMnO4 + 8 H2SO4 = 5 Na2SO4 + 10 CO2 + 2 MnSO4 + 8 H2O + K2SO4
Cu + HNO3(diluido) = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3(diluido) = 3 Cu(NO3)2 + 2 NO + 4 H2O
NaClO + H2CO3 = Na2CO3 + HClO =>
2 NaClO + H2CO3 = Na2CO3 + 2 HClO
KMnO4 + KI + H2SO4 = Mn(SO4) + K2(SO4) + I2 + H2O =>
2 KMnO4 + 10 KI + 8 H2SO4 = 2 Mn(SO4) + 6 K2(SO4) + 5 I2 + 8 H2O
C8H9NO2 + HCl + NaNO2 = C6H7NO + NaCl + NO2 + CH3COOH =>
7 C8H9NO2 + 9 HCl + 9 NaNO2 = 8 C6H7NO + 9 NaCl + 8 NO2 + 4 CH3COOH
VO2Cl + H2S + HCl = VCl2 + S + H2O =>
2 VO2Cl + 3 H2S + 2 HCl = 2 VCl2 + 3 S + 4 H2O
H2 + CLiOF3 + Al = AlOH + LiH + C8H18 + HF =>
29 H2 + 8 CLiOF3 + 8 Al = 8 AlOH + 8 LiH + C8H18 + 24 HF
Na2O2 + H2O = NaOH + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
Cu2O(s) + C(s) = Cu(s) + CO2(s) =>
2 Cu2O(s) + C(s) = 4 Cu(s) + CO2(s)
CH3COOH + Na3CO3 = CH3CO3 + Na3COOH =>
CH3COOH + Na3CO3 = CH3CO3 + Na3COOH
PbO(s) + NH3(l) = Pb(s) + N2(g) + H2O(l) =>
3 PbO(s) + 2 NH3(l) = 3 Pb(s) + N2(g) + 3 H2O(l)
H2O + Cr = H2 + Cr(OH)2 =>
2 H2O + Cr = H2 + Cr(OH)2
FeCl4 + F = FeF6 + Cl =>
FeCl4 + 6 F = FeF6 + 4 Cl
SH2 + SO4 = S + H2O =>
4 SH2 + SO4 = 5 S + 4 H2O
H2S + HNO4 = H2SO4 + NO + H2O =>
5 H2S + 8 HNO4 = 5 H2SO4 + 8 NO + 4 H2O
Cu(OH) + N2H4 = N2 + Cu + H2O =>
4 Cu(OH) + N2H4 = N2 + 4 Cu + 4 H2O
AlCl3 + H2O = Al(OH)3 + Cl2 + H2 =>
2 AlCl3 + 6 H2O = 2 Al(OH)3 + 3 Cl2 + 3 H2
Ce + Ni2{+} = Ce3{+} + Ni =>
3 Ce + Ni2{+} = Ce3{+} + 2 Ni
Cd{+2} + S{-2} = CdS =>
Cd{+2} + S{-2} = CdS
SrSO4 + CaCl2 = CaSO4 + SrCl2 =>
SrSO4 + CaCl2 = CaSO4 + SrCl2
CH3CH2OH + Mg = (CH3CH2O)2Mg + H2 =>
2 CH3CH2OH + Mg = (CH3CH2O)2Mg + H2
Cu + HNO3 = Cu(NO4)2 + NO + H2O =>
Cu + 4 HNO3 = Cu(NO4)2 + 2 NO + 2 H2O
Be(OH)2 + HCOOH = H2O + (HCOO)2Be =>
Be(OH)2 + 2 HCOOH = 2 H2O + (HCOO)2Be
Zn(OH)2SO2 = ZnSO3H2O =>
Zn(OH)2SO2 = ZnSO3H2O
Al4Si3 + Ca3N2 = AlN + Ca2Si =>
Al4Si3 + 2 Ca3N2 = 4 AlN + 3 Ca2Si
NH4 + HNO3 = NH4NO3 + H2 =>
2 NH4 + 2 HNO3 = 2 NH4NO3 + H2
C5H11NO2S + O2 = CO2 + H2O + NO2 + SO2 =>
4 C5H11NO2S + 35 O2 = 20 CO2 + 22 H2O + 4 NO2 + 4 SO2
Cr(NO3)2 + NH3 = CrNH3 + NO3 =>
Cr(NO3)2 + NH3 = CrNH3 + 2 NO3
MgCl2 + H2SO4 = MgSO4 + HCl =>
MgCl2 + H2SO4 = MgSO4 + 2 HCl
Na2CrO4 + Na2S + H2O = Cr(OH)3 + NaOH + H2SO4 =>
8 Na2CrO4 + 3 Na2S + 26 H2O = 8 Cr(OH)3 + 22 NaOH + 3 H2SO4
C6H4OHCOOH + (CH3CO)2O = C9H8O4 =>
11 C6H4OHCOOH + (CH3CO)2O = 9 C9H8O4
C7H2O6N3 + O2 = CO2 + H2O + N2 =>
2 C7H2O6N3 + 9 O2 = 14 CO2 + 2 H2O + 3 N2
Mg(s) + FeCl3(aq) = Fe(s) + MgCl2(aq) =>
3 Mg(s) + 2 FeCl3(aq) = 2 Fe(s) + 3 MgCl2(aq)
CH3C(CH3)C(CH3)CH3 + KMnO4 + H2O = (CH3)2C(OH)C(OH)(CH3)2 + MnO2 + KOH =>
3 CH3C(CH3)C(CH3)CH3 + 2 KMnO4 + 4 H2O = 3(CH3)2C(OH)C(OH)(CH3)2 + 2 MnO2 + 2 KOH
NH4 + H2SO4 = (NH4)2SO4 + H2 =>
2 NH4 + H2SO4 = (NH4)2SO4 + H2
H2TeO4 + Al2O3 = Al2(TeO4)3 + H2O =>
3 H2TeO4 + Al2O3 = Al2(TeO4)3 + 3 H2O
SO2 + CuCl2 + H2O = SO3 + CuCl + HCl =>
SO2 + 2 CuCl2 + H2O = SO3 + 2 CuCl + 2 HCl
Be + Ba(OH)2 = Be(OH)2 + Ba =>
Be + Ba(OH)2 = Be(OH)2 + Ba
NaAl(OH)4 + Na2SiO3 + H2O = Na12((AlO2)12(SiO2)12)*27H2O + NaOH =>
12 NaAl(OH)4 + 12 Na2SiO3 + 15 H2O = Na12((AlO2)12(SiO2)12)*27H2O + 24 NaOH
K3AsO3 + Zn + HCl = KCl + AsH3 + ZnCl2 + H2O =>
K3AsO3 + 3 Zn + 9 HCl = 3 KCl + AsH3 + 3 ZnCl2 + 3 H2O
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