| Équations équilibrées la veille |
3 Co(NO3)3 + Zn3 = 3 Zn(NO3)3 + 3 Co
Ca(HCO3)2(s) + HBr(aq) = CaBr2 + H2O + CO2 =>
Ca(HCO3)2(s) + 2 HBr(aq) = CaBr2 + 2 H2O + 2 CO2
CeO2 + KI + HCl = KCl + CeCl3 + H2O + I2 =>
2 CeO2 + 2 KI + 8 HCl = 2 KCl + 2 CeCl3 + 4 H2O + I2
Fe(NO3)3 + Mg(OH)2 = Mg(NO3)2 + Fe(OH)3 =>
2 Fe(NO3)3 + 3 Mg(OH)2 = 3 Mg(NO3)2 + 2 Fe(OH)3
C57H98O6 + CH3OH = C3H8O3 + C18H32O2 =>
16 C57H98O6 + 36 CH3OH = 10 C3H8O3 + 51 C18H32O2
FeCl2 + KMnO4 + H2SO4 = Cl2 + K2SO4 + MnSO4 + Fe2(SO4)3 + H2O =>
10 FeCl2 + 6 KMnO4 + 24 H2SO4 = 10 Cl2 + 3 K2SO4 + 6 MnSO4 + 5 Fe2(SO4)3 + 24 H2O
CNCl + C6H5NH2 + NaOH = CN(C6H5NH) + NaCl + H2O =>
CNCl + C6H5NH2 + NaOH = CN(C6H5NH) + NaCl + H2O
NaHO + CuSO4 = Cu(OH)2 + Na2SO4 =>
2 NaHO + CuSO4 = Cu(OH)2 + Na2SO4
M + H2SO4 = M(SO4) + SO2 + H2O =>
M + 2 H2SO4 = M(SO4) + SO2 + 2 H2O
H2SO4 + K3[Fe(CN)6] = K2SO4 + H3[Fe(CN)6] =>
3 H2SO4 + 2 K3[Fe(CN)6] = 3 K2SO4 + 2 H3[Fe(CN)6]
Br2O5 + H2O = Br(OH)3 + O2 =>
Br2O5 + 3 H2O = 2 Br(OH)3 + O2
AgNO2 + Zn = ZnNO2 + Ag =>
AgNO2 + Zn = ZnNO2 + Ag
CuO2 + CO2 = CuCO3 + O2 =>
2 CuO2 + 2 CO2 = 2 CuCO3 + O2
NiPO4 + Ag2SO4 = Ni2(SO4)3 + Ag3PO4 =>
2 NiPO4 + 3 Ag2SO4 = Ni2(SO4)3 + 2 Ag3PO4
CaF2 + K3PO4 = Ca3(PO4)2 + KF =>
3 CaF2 + 2 K3PO4 = Ca3(PO4)2 + 6 KF
ZnCl2 + H2S = ZnS + HCl =>
ZnCl2 + H2S = ZnS + 2 HCl
C2H2 + KMnO4 + H2O = C2H2O4 + MnO2 + KOH =>
3 C2H2 + 8 KMnO4 + 4 H2O = 3 C2H2O4 + 8 MnO2 + 8 KOH
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
H + ClO3 + I2 = ICl3 + H2O =>
36 H + 6 ClO3 + I2 = 2 ICl3 + 18 H2O
Pt + H3PO4 = Pt3(PO4)4 + H2 =>
3 Pt + 4 H3PO4 = Pt3(PO4)4 + 6 H2
Pb(NO3)2 + Na2SO4 = PbSO4 + NaNO3 =>
Pb(NO3)2 + Na2SO4 = PbSO4 + 2 NaNO3
CO2(g) + H2O(l) = C6H12O6(aq) + O2(g) =>
6 CO2(g) + 6 H2O(l) = C6H12O6(aq) + 6 O2(g)
H2SO4(aq) + Cr(OH)3(s) = Cr2(SO4)3(s) + H2O(l) =>
3 H2SO4(aq) + 2 Cr(OH)3(s) = Cr2(SO4)3(s) + 6 H2O(l)
H2SO3 + Ca(OH)2 = H2(OH)2 + CaSO3 =>
H2SO3 + Ca(OH)2 = H2(OH)2 + CaSO3
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
C2H2 + KMnO4 + H2O = CO2 + MnO2 + KOH =>
3 C2H2 + 10 KMnO4 + 2 H2O = 6 CO2 + 10 MnO2 + 10 KOH
C3H7COOH + Ca = (C3H7COO)2Ca + H2 =>
2 C3H7COOH + Ca = (C3H7COO)2Ca + H2
KOH + H3PO3 = KH2PO3 + H2O =>
KOH + H3PO3 = KH2PO3 + H2O
Al + CoSO4 = AlSO4 + Co =>
Al + CoSO4 = AlSO4 + Co
PbO2 + HI = PbI2 + I + HOH =>
PbO2 + 4 HI = PbI2 + 2 I + 2 HOH
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
AlCl3 + Na2CO3 = Al2(CO3)3 + Na2Cl2 =>
2 AlCl3 + 3 Na2CO3 = Al2(CO3)3 + 3 Na2Cl2
K2FeO4 + KIO3 + H2SO4 = Fe2(SO4)3 + KIO4 + H2O + K2SO4 =>
2 K2FeO4 + 3 KIO3 + 5 H2SO4 = Fe2(SO4)3 + 3 KIO4 + 5 H2O + 2 K2SO4
NO3 + Cd + NH4Cl + NH3 = NO2Cd(NH3)4Cl2H2O =>
NO3 + Cd + 2 NH4Cl + 2 NH3 = NO2Cd(NH3)4Cl2H2O
SnCl4 + (NH4)2S = (NH4)Cl + SnS2 =>
SnCl4 + 2(NH4)2S = 4(NH4)Cl + SnS2
BiCl3 + H2O = Bi(OH)3 + HCl =>
BiCl3 + 3 H2O = Bi(OH)3 + 3 HCl
H2O + Na2SiO3 + SO2 = H2SiO3 + Na2SO3 =>
H2O + Na2SiO3 + SO2 = H2SiO3 + Na2SO3
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
H3NSO3 + NaOH = NaH2NSO3 + H2O =>
H3NSO3 + NaOH = NaH2NSO3 + H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
SC2O3 + SO3 = SC2(SO4)3 =>
SC2O3 + 3 SO3 = SC2(SO4)3
C2H5OH(l) + O2(g) = CO2(g) + H2O(g) =>
C2H5OH(l) + 3 O2(g) = 2 CO2(g) + 3 H2O(g)
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
S2O8{2{-})+Cr{3+}+H2O = Cr2O7{2-}+SO4{2-}+H{+} =>
S2O8{2{-})+2Cr{3+}+7H2O = Cr2O7{2-}+2SO4{2-}+14H{+}
CoSO4 + Al = Al(SO4) + Co =>
CoSO4 + Al = Al(SO4) + Co
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
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
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