| Équations équilibrées la veille |
C4H4O4(aq) + 4 NaHCO3 = Na4C4O4 + 4 CO2 + 4 H2O
C12H22O11(sacarosa) + H2SO4 = H2SO4*H2O + C =>
C12H22O11(sacarosa) + 11 H2SO4 = 11 H2SO4*H2O + 12 C
NaNO3 = NaNO2 + O =>
NaNO3 = NaNO2 + O
C2H3Cl + O2 = CO2 + H2O + HCl =>
2 C2H3Cl + 5 O2 = 4 CO2 + 2 H2O + 2 HCl
Ag + I{-} + Sn{+4} = Sn{2+} + AgI =>
2 Ag + 2 I{-} + Sn{+4} = Sn{2+} + 2 AgI
Ca(HCO3)2 + KOH = Ca(OH)2 + K(HCO3) =>
Ca(HCO3)2 + 2 KOH = Ca(OH)2 + 2 K(HCO3)
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
HOCN + O2 = CO2 + H2O + N2 =>
4 HOCN + 3 O2 = 4 CO2 + 2 H2O + 2 N2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
H2CO3 + Fe2O3*H2O = CO2 + Fe(OH)3 =>
2 H2CO3 + Fe2O3*H2O = 2 CO2 + 2 Fe(OH)3
KMnO4 + KNO2 + H2O = MnO2 + KOH + HNO3 =>
2 KMnO4 + 3 KNO2 + 4 H2O = 2 MnO2 + 5 KOH + 3 HNO3
Fe + CO = Fe3C + CO2 =>
3 Fe + 2 CO = Fe3C + CO2
Pb(NO3)2 + Na3PO4 = Pb3(PO4)2 + NaNO3 =>
3 Pb(NO3)2 + 2 Na3PO4 = Pb3(PO4)2 + 6 NaNO3
Pb + NH3 + H2O = Pb(OH)3 + NH4 =>
Pb + 3 NH3 + 3 H2O = Pb(OH)3 + 3 NH4
CO(g) + H2(g) = CH3OH(g) =>
CO(g) + 2 H2(g) = CH3OH(g)
Ni + O = Ni2O =>
2 Ni + O = Ni2O
CaCO3 + HCH3COO = Ca(CH3COO)2 + H2O + CO2 =>
CaCO3 + 2 HCH3COO = Ca(CH3COO)2 + H2O + CO2
CoS + NOCl = Co{2} + Cl{-} + NO + S =>
CoS + 2 NOCl = Co{2} + 2 Cl{-} + 2 NO + S
Ag2O + NH4OH + NaNO3 = [Ag(NH3)2]NO3 + H2O + NaOH =>
Ag2O + 4 NH4OH + 2 NaNO3 = 2[Ag(NH3)2]NO3 + 3 H2O + 2 NaOH
C2H5NO2(aq) + O2 = CO2 + H2O + CH4N2O(aq) =>
2 C2H5NO2(aq) + 3 O2 = 3 CO2 + 3 H2O + CH4N2O(aq)
(NH4)2SO4 + KOH = NH4OH + K2SO4 =>
(NH4)2SO4 + 2 KOH = 2 NH4OH + K2SO4
I2 + H2O + S2O3{2-} = I{-} + S2O4{2-} + H{+} =>
I2 + H2O + S2O3{2-} = 2 I{-} + S2O4{2-} + 2 H{+}
HNO3 + CaO = Ca(NO3)2 + H2O =>
2 HNO3 + CaO = Ca(NO3)2 + H2O
(NH3)3N + H2O = N2O4 + H2 =>
2(NH3)3N + 16 H2O = 4 N2O4 + 25 H2
Ba(ClO4)2 + Na2SO4 = NaClO4(aq) + BaSO4(s) =>
Ba(ClO4)2 + Na2SO4 = 2 NaClO4(aq) + BaSO4(s)
Ca(NO3)2 + Ag2SO4 = CaSO4 + Ag(NO3) =>
Ca(NO3)2 + Ag2SO4 = CaSO4 + 2 Ag(NO3)
NH4Cl(s) + H2O(l) = NH4OH(ac) + HCl(ac) =>
NH4Cl(s) + H2O(l) = NH4OH(ac) + HCl(ac)
NaNO3(ac) + CuSO4(ac) = Cu(NO3)2 + Na2SO4 =>
2 NaNO3(ac) + CuSO4(ac) = Cu(NO3)2 + Na2SO4
HClO3 + H2O = H2ClO3 + HO =>
HClO3 + H2O = H2ClO3 + HO
Pb3O4 + H2SO4 = PbSO4 + O + H2O =>
Pb3O4 + 3 H2SO4 = 3 PbSO4 + O + 3 H2O
Br2 + CO2 = Br2O5 + CO =>
Br2 + 5 CO2 = Br2O5 + 5 CO
C(s) + H2(g) + O2(g) = C4H9OH(l) =>
8 C(s) + 10 H2(g) + O2(g) = 2 C4H9OH(l)
PbBr3 + Fe = FeBr2 + Pb =>
2 PbBr3 + 3 Fe = 3 FeBr2 + 2 Pb
C4H6O5(aq) + NaHCO3 = NaC4H4O5 + CO2 + H2O =>
11 C4H6O5(aq) + 12 NaHCO3 = 12 NaC4H4O5 + 8 CO2 + 15 H2O
CO2 + HF = CF4 + H2O =>
CO2 + 4 HF = CF4 + 2 H2O
AlO2 + H2SO4 = Al(SO4)2 + H2O =>
AlO2 + 2 H2SO4 = Al(SO4)2 + 2 H2O
Fe2O3 + KOH + H2O = K(Fe(OH)4) =>
Fe2O3 + 2 KOH + 3 H2O = 2 K(Fe(OH)4)
CO + H2 = CH3OH =>
CO + 2 H2 = CH3OH
Cr(NO3)3 + ZnCl2 = CrCl3 + Zn(NO3)2 =>
2 Cr(NO3)3 + 3 ZnCl2 = 2 CrCl3 + 3 Zn(NO3)2
Al(s) + H2SO4(aq) = H2(g) + Al2(SO4)3(aq) =>
2 Al(s) + 3 H2SO4(aq) = 3 H2(g) + Al2(SO4)3(aq)
MnBr2 + AgNO3(aq) = Mn(NO3)2(aq) + AgBr(s) =>
MnBr2 + 2 AgNO3(aq) = Mn(NO3)2(aq) + 2 AgBr(s)
CO + H2O = C6H12O6 + CO2 =>
12 CO + 6 H2O = C6H12O6 + 6 CO2
Na2H2CO3 + HCH3COO = NaHCH3COO + H2CO3 =>
Na2H2CO3 + 2 HCH3COO = 2 NaHCH3COO + H2CO3
C20H24N2O2 + O2 = CO2 + H2O + N2 =>
C20H24N2O2 + 25 O2 = 20 CO2 + 12 H2O + N2
(CrO4) + HCrO4 = Cr2O7 + (OH) =>
(CrO4) + HCrO4 = Cr2O7 + (OH)
C6H12O + Ag(NH3)2{+} + OH{-} = Ag + C6H12O2 + NH3 + H2O =>
C6H12O + 2 Ag(NH3)2{+} + 2 OH{-} = 2 Ag + C6H12O2 + 4 NH3 + H2O
H3PO4 + H2O = H3O + (HPO4)2 =>
2 H3PO4 + 4 H2O = 4 H3O + (HPO4)2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
(NH4)2SO4 + BaCl = (NH4)Cl + Ba2SO4 =>
(NH4)2SO4 + 2 BaCl = 2(NH4)Cl + Ba2SO4
water + ironoxide = FeOOH =>
H2O + Fe2O3 = 2 FeOOH
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