| Équations équilibrées la veille |
2 Co3O4 + 2 Ni8(OOH)8 = 2 Ni5Co3(OOH)8 + 6 NiO + O2
ClO{-} + OH{-} = ClO3{-} + e + H2O =>
ClO{-} + 4 OH{-} = ClO3{-} + 4e + 2 H2O
H3PO3 + Cu = Cu(PO3)3 + H2 =>
6 H3PO3 + 2 Cu = 2 Cu(PO3)3 + 9 H2
C7H7NO2 + K2Cr2O7 + H2SO4 = C7H5NO3 + K2SO4 + H2O + Cr2(SO4)3 =>
3 C7H7NO2 + 2 K2Cr2O7 + 8 H2SO4 = 3 C7H5NO3 + 2 K2SO4 + 11 H2O + 2 Cr2(SO4)3
P2O5 + HF = PF5 + H2O =>
P2O5 + 10 HF = 2 PF5 + 5 H2O
PI3 + H2O = H3PO3 + HI =>
PI3 + 3 H2O = H3PO3 + 3 HI
K3[Cr(OH)6] + KBrO + KOH = K4[Cr(OH)6] + KBrO3 + H2O =>
4 K3[Cr(OH)6] + KBrO + 4 KOH = 4 K4[Cr(OH)6] + KBrO3 + 2 H2O
Cr2(SO4)3 + Na2SO3 + H2O = Cr(OH)3 + SO2 + Na2SO4 =>
Cr2(SO4)3 + 3 Na2SO3 + 3 H2O = 2 Cr(OH)3 + 3 SO2 + 3 Na2SO4
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
Al2(SO4)3 + KOH = Al(OH)3 + K2SO4 =>
Al2(SO4)3 + 6 KOH = 2 Al(OH)3 + 3 K2SO4
K2Cr2O7 + H2SO4 + FeC2O4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + CO2 + H2O =>
K2Cr2O7 + 7 H2SO4 + 2 FeC2O4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + 4 CO2 + 7 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
C9H20 + O2 = CO + H2O =>
2 C9H20 + 19 O2 = 18 CO + 20 H2O
C8H9NO2 + HCl + NaNO2 = C6H7NO + NaCl + NO2 + CH3COOH =>
7 C8H9NO2 + 9 HCl + 9 NaNO2 = 8 C6H7NO + 9 NaCl + 8 NO2 + 4 CH3COOH
CHCOOH + KOH = CHCOOK + H2O =>
CHCOOH + KOH = CHCOOK + H2O
FeSO4 + (NH4)2C2O4 + H2O2 = Fe(C2O4)3 + NH4{+} + OH{-} + SO4{2-} =>
FeSO4 + 3(NH4)2C2O4 + 2 H2O2 = Fe(C2O4)3 + 6 NH4{+} + 4 OH{-} + SO4{2-}
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CH3CH3 + HNO3 = CO2 + NO2 + H2O =>
CH3CH3 + 14 HNO3 = 2 CO2 + 14 NO2 + 10 H2O
Fe + CuCH3COO2 = Cu + FeCH3COO2 =>
Fe + CuCH3COO2 = Cu + FeCH3COO2
Al2 + Pb(NO3)2 = Al(NO3)3 + Pb(NO3) =>
Al2 + 6 Pb(NO3)2 = 2 Al(NO3)3 + 6 Pb(NO3)
SO4 = S2 + O2 =>
2 SO4 = S2 + 4 O2
CuO + HCl = CuCl2 + H2O = CuO + H2O =>
CuO + 2 HCl = CuCl2 + H2O
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
H2SO4 + HNO3 = H2O + HSO4{-} + NO2{+} =>
H2SO4 + HNO3 = H2O + HSO4{-} + NO2{+}
NH3 + O2 = NOH3 =>
2 NH3 + O2 = 2 NOH3
HClH = H2Cl =>
HClH = H2Cl
SiC + Cl2 = SiCl4 + C =>
SiC + 2 Cl2 = SiCl4 + C
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
BaO + Cl2 = BaCl2 + O =>
BaO + Cl2 = BaCl2 + O
H2SFe(OH)2 = S(OH)2H2Fe =>
H2SFe(OH)2 = S(OH)2H2Fe
FeCO3 + Na2O = FeO + Na2CO3 =>
FeCO3 + Na2O = FeO + Na2CO3
CH3COONa + NH4Cl + CO2 = C5H7NO2 + N2 + NaCl + H2O =>
23 CH3COONa + 23 NH4Cl + 9 CO2 = 11 C5H7NO2 + 6 N2 + 23 NaCl + 42 H2O
Na2CrO4 + H2SO4 + Na2S2O4 = Cr2(SO4)3 + H2O + Na2SO4 =>
2 Na2CrO4 + 4 H2SO4 + Na2S2O4 = Cr2(SO4)3 + 4 H2O + 3 Na2SO4
MnSO4 + PbO2 + HNO3 = HMnO4 + PbSO4 + Pb(NO3)3 + H2O =>
MnSO4 + 4 PbO2 + 9 HNO3 = HMnO4 + PbSO4 + 3 Pb(NO3)3 + 4 H2O
K2S + CuSO4 = CuS + K2SO4 =>
K2S + CuSO4 = CuS + K2SO4
Ca + Pb(No3)2 = Ca(No3)2 + Pb =>
Ca + Pb(No3)2 = Ca(No3)2 + Pb
NO + O3 = NO2 =>
3 NO + O3 = 3 NO2
CH3COH = CH4 + CO =>
CH3COH = CH4 + CO
Si4 + O2 = Si2O4 =>
Si4 + 4 O2 = 2 Si2O4
Fe + P4 = Fe3P2 =>
6 Fe + P4 = 2 Fe3P2
AlCl3(aq) + NH3(aq) + H2O(l) = Al(OH)3 + NH4Cl =>
AlCl3(aq) + 3 NH3(aq) + 3 H2O(l) = Al(OH)3 + 3 NH4Cl
PbSO4 + KNO3 = Pb(NO3)2 + K2SO4 =>
PbSO4 + 2 KNO3 = Pb(NO3)2 + K2SO4
NH3OH + HCl = NH3Cl + H2O =>
NH3OH + HCl = NH3Cl + H2O
N2 + H2 = NH2 =>
N2 + 2 H2 = 2 NH2
Fe(OH)3 + H{+} = Fe{+3} + H2O =>
Fe(OH)3 + 3 H{+} = Fe{+3} + 3 H2O
PbO2 + HBr = Pb2 + Br2 + H2O =>
2 PbO2 + 8 HBr = Pb2 + 4 Br2 + 4 H2O
TeCl4 + H2O = TeO2 + HCl =>
TeCl4 + 2 H2O = TeO2 + 4 HCl
CaCO3 + HBr = CaBr + CO2 + H2O2 =>
2 CaCO3 + 2 HBr = 2 CaBr + 2 CO2 + H2O2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
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