| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Ca(CN)2 + Al2O3 = 3 CaO + 2 Al(CN)3
HNO3 + Mg(NO3)2 = H2Mg + NO3 =>
2 HNO3 + Mg(NO3)2 = H2Mg + 4 NO3
C5026H598O4214 + H2O = C6H14 + CO2 =>
C5026H598O4214 + 1962 H2O = 323 C6H14 + 3088 CO2
NaClO4 + FeCl3 = Fe(ClO4)3 + NaCl =>
3 NaClO4 + FeCl3 = Fe(ClO4)3 + 3 NaCl
(NH2)2CO + NaBrO = (NH2)2BrO + NaCO =>
(NH2)2CO + NaBrO = (NH2)2BrO + NaCO
CuCl2 + AgNO3 = AgCl + Cu(NO3)2 =>
CuCl2 + 2 AgNO3 = 2 AgCl + Cu(NO3)2
Na1 + HCl = H1 + NaCl =>
Na1 + HCl = H1 + NaCl
C6H12O6 = H2O + C5H8O3 + CH2O2 =>
C6H12O6 = H2O + C5H8O3 + CH2O2
K2Cr2O7 + HI + H2SO4 = CrSO4 + I + K2SO4 + H2O =>
K2Cr2O7 + 8 HI + 3 H2SO4 = 2 CrSO4 + 8 I + K2SO4 + 7 H2O
Ca(OH)2 + KI = CaI + K(OH)2 =>
Ca(OH)2 + KI = CaI + K(OH)2
MnSO4 + Ca(NO3)2 = Mn(NO3)2 + CaSO4 =>
MnSO4 + Ca(NO3)2 = Mn(NO3)2 + CaSO4
Ca5F(PO4)3 + H2SO4 = HF + Ca(H2PO4)2 + CaSO4 =>
2 Ca5F(PO4)3 + 7 H2SO4 = 2 HF + 3 Ca(H2PO4)2 + 7 CaSO4
C12H22O11(aq) + H2O = C2H5OH(aq) + CO2 =>
C12H22O11(aq) + H2O = 4 C2H5OH(aq) + 4 CO2
NaCrO2 + Na2O2 + H2O = NaOH + NaCrO4 =>
NaCrO2 + 2 Na2O2 + 2 H2O = 4 NaOH + NaCrO4
C10H16NO2S + O2 = NO + SO2 + H2O + CO2 =>
2 C10H16NO2S + 29 O2 = 2 NO + 2 SO2 + 16 H2O + 20 CO2
KOH(aq)MgCl2(aq) = KCl2(aq)MgOH(s) =>
KOH(aq)MgCl2(aq) = KCl2(aq)MgOH(s)
MnO4{-} + H{+} + Cl{-} = Mn{2+} + H2O + ClO4{-} =>
8 MnO4{-} + 24 H{+} + 5 Cl{-} = 8 Mn{2+} + 12 H2O + 5 ClO4{-}
Fe2SO4 + H2 = Fe + H2SO4 =>
Fe2SO4 + H2 = 2 Fe + H2SO4
AgNO3 + CCl4 = C(NO3)4 + AgCl =>
4 AgNO3 + CCl4 = C(NO3)4 + 4 AgCl
K3AsO4 + KI + H2SO4 = K3AsO3 + I2 + K2SO4 + H2O =>
K3AsO4 + 2 KI + H2SO4 = K3AsO3 + I2 + K2SO4 + H2O
(NH4)2NO3 = NH3 + NO + H2O =>
5(NH4)2NO3 = 8 NH3 + 7 NO + 8 H2O
H + O + C = H2OC2 =>
2 H + O + 2 C = H2OC2
NaOH(aq) + Fe(NO3)3(aq) = NaFe + OH(NO3)3 =>
NaOH(aq) + Fe(NO3)3(aq) = NaFe + OH(NO3)3
CaF2 + H2SO4 = CaSO4 + HF =>
CaF2 + H2SO4 = CaSO4 + 2 HF
Na3AlF6 + H2O = HF + NaOH + Al2O3 =>
2 Na3AlF6 + 9 H2O = 12 HF + 6 NaOH + Al2O3
Mg(NO3)2*6H2O + Na2CO3*10H2O = Mg2(OH)2CO3 + NaNO3 + H2O + H2CO3 =>
2 Mg(NO3)2*6H2O + 2 Na2CO3*10H2O = Mg2(OH)2CO3 + 4 NaNO3 + 30 H2O + H2CO3
C3H4N3O9 = CO2 + N2 + NO + H2O =>
C3H4N3O9 = 3 CO2 + N2 + NO + 2 H2O
AuCl3 + K3PO4 = KCl + AuPO4 =>
AuCl3 + K3PO4 = 3 KCl + AuPO4
BeCl2 = Be + Cl2 =>
BeCl2 = Be + Cl2
Na2Cr2O7 + FeSO4 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + Na2S + H2O =>
Na2Cr2O7 + 14 FeSO4 + 11 H2SO4 = 7 Fe2(SO4)3 + Cr2(SO4)3 + Na2S + 11 H2O
CuCl2 + Fe(II) = CuFe(II) + Cl2 =>
CuCl2 + Fe(II) = CuFe(II) + Cl2
KI + H2SO4 + H2O = KOH + I2 + H2S =>
8 KI + H2SO4 + 4 H2O = 8 KOH + 4 I2 + H2S
CdSO4*2H2O + K(C2H3O2)2*1H2O = Cd(C2H3O2)2 + KSO4 + H2O =>
CdSO4*2H2O + K(C2H3O2)2*1H2O = Cd(C2H3O2)2 + KSO4 + 3 H2O
C4O2H2 + O2 = CO2 + H2O =>
2 C4O2H2 + 7 O2 = 8 CO2 + 2 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
CH4 + NH3 + H2O = C2H5NO2 + H =>
2 CH4 + NH3 + 2 H2O = C2H5NO2 + 10 H
HBr + Zn = H2 + ZnBr =>
2 HBr + 2 Zn = H2 + 2 ZnBr
Pb(NO3)2 + K4(FeCN6) = Pb2(FeCN6) + K(NO3) =>
2 Pb(NO3)2 + K4(FeCN6) = Pb2(FeCN6) + 4 K(NO3)
KCN + NH2OH + K2MoO4 = K4[Mo(CN)8] + KOH + N2 =>
8 KCN + 2 NH2OH + K2MoO4 = K4[Mo(CN)8] + 6 KOH + N2
Ni(NO3)2 + Na2SO3 = Ni2SO3 + Na(NO3)2 =>
2 Ni(NO3)2 + Na2SO3 = Ni2SO3 + 2 Na(NO3)2
Sc2O3 + Cl + S2Cl2 = ScCl3 + SOCl =>
2 Sc2O3 + 12 Cl + 3 S2Cl2 = 4 ScCl3 + 6 SOCl
H2O + CaC2 = C2 + H2 + CaOH =>
2 H2O + 2 CaC2 = 2 C2 + H2 + 2 CaOH
Zn(s) + HBr(aq) = H2(g) + ZnBr2 =>
Zn(s) + 2 HBr(aq) = H2(g) + ZnBr2
Ca(s) + S(s) = CaS(s) =>
Ca(s) + S(s) = CaS(s)
NaHCO3 + CH3COOH = H2O + CO + NaCH3COOH =>
4 NaHCO3 + 7 CH3COOH = 8 H2O + 10 CO + 4 NaCH3COOH
Na2C2O4 + KMnO4 + H2(SO4) = (CO2) + H2O + Mn(SO)4 + Na2(SO4) + K2(SO)4 =>
32 Na2C2O4 + 2 KMnO4 + 44 H2(SO4) = 64(CO2) + 44 H2O + 2 Mn(SO)4 + 32 Na2(SO4) + K2(SO)4
BH3 = B(s) + H(g) =>
BH3 = B(s) + 3 H(g)
H4SiO4 + Fe(OH)3 = Fe(OH)(H2SiO4) + H2O =>
H4SiO4 + Fe(OH)3 = Fe(OH)(H2SiO4) + 2 H2O
C6H5F4 + O2 = CO + H2O + HF =>
4 C6H5F4 + 13 O2 = 24 CO + 2 H2O + 16 HF
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