| Équations équilibrées la veille | Équations équilibrées le lendemain |
(CH3CH2)4Pb + 13 O2 = 8 CO2 + 10 H2O + Pb
K + Na2CO3 = K2CO3 + Na =>
2 K + Na2CO3 = K2CO3 + 2 Na
Fe2O3 + Fe(OH)2 = FeO + Fe(OH)3 =>
Fe2O3 + 3 Fe(OH)2 = 3 FeO + 2 Fe(OH)3
Co(NO3)2*6H2O + P(OPh)3 + NaBH4 = CoH[P(OPh)3]4 + NaOH + BH3 + H2O + HNO2 =>
2 Co(NO3)2*6H2O + 8 P(OPh)3 + 7 NaBH4 = 2 CoH[P(OPh)3]4 + 7 NaOH + 7 BH3 + 9 H2O + 4 HNO2
P2O5 + HCl = H3P + Cl2 + H2O =>
P2O5 + 16 HCl = 2 H3P + 8 Cl2 + 5 H2O
HC2H3O2 + NaOH = NaC2H3O2 + H2O =>
HC2H3O2 + NaOH = NaC2H3O2 + H2O
KCl + Ba(C2H3O2)2 = BaCl2 + K(C2H3O2) =>
2 KCl + Ba(C2H3O2)2 = BaCl2 + 2 K(C2H3O2)
NO3 = N + O =>
NO3 = N + 3 O
Na2S2O5 + HCl = H2O + SO2 + NaCl =>
Na2S2O5 + 2 HCl = H2O + 2 SO2 + 2 NaCl
[Fe(H2O)6]{3+} + OBr{-} + OH{-} = FeO4{-} + Br{-} + H2O =>
[Fe(H2O)6]{3+} + 2 OBr{-} + 4 OH{-} = FeO4{-} + 2 Br{-} + 8 H2O
LiOH + HF = LiF + HOH =>
LiOH + HF = LiF + HOH
Co + F2 = CoF2 =>
Co + F2 = CoF2
F(OH)3 = F + OH =>
F(OH)3 = F + 3 OH
HNO3 + Sr(OH)2 = Sr(NO3)2 + H2O =>
2 HNO3 + Sr(OH)2 = Sr(NO3)2 + 2 H2O
Ag(NO3) + Na2(CO3) = Ag2(CO3) + Na(NO3) =>
2 Ag(NO3) + Na2(CO3) = Ag2(CO3) + 2 Na(NO3)
CuCl + HCl = HCuCl2 =>
CuCl + HCl = HCuCl2
Co + F2 = CoF3 =>
2 Co + 3 F2 = 2 CoF3
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
CaSO4 + CaF2 = Ca + F2SO4 =>
CaSO4 + CaF2 = 2 Ca + F2SO4
HCONH2 + O2 = CO2 + N2 + H2O =>
4 HCONH2 + 5 O2 = 4 CO2 + 2 N2 + 6 H2O
I2O5 + IF5 = IOF3 =>
I2O5 + 3 IF5 = 5 IOF3
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
NaNO2 + Na2Cr2O7 + HNO3 = NaNO3 + Cr(NO3)2 + H2O =>
4 NaNO2 + Na2Cr2O7 + 6 HNO3 = 6 NaNO3 + 2 Cr(NO3)2 + 3 H2O
Zn + KCl = ZnKCl =>
Zn + KCl = ZnKCl
Cu(NO3)2 + Na2S + H2O = Cu(OH)2 + H2S + NaNO3 =>
Cu(NO3)2 + Na2S + 2 H2O = Cu(OH)2 + H2S + 2 NaNO3
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
CO2 + H2 = H2O + C =>
CO2 + 2 H2 = 2 H2O + C
Na3PO4 + LiOH = Na3OH + LiPO4 =>
Na3PO4 + LiOH = Na3OH + LiPO4
NaHCO3 + H3C6H5O7 = CO2 + H2O(l) + Na3C6H5O7 =>
3 NaHCO3 + H3C6H5O7 = 3 CO2 + 3 H2O(l) + Na3C6H5O7
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
NaI + NaSCN + HNO3 = I(H2O)5SCN + Na + NO2 + O2 =>
2 NaI + 2 NaSCN + 20 HNO3 = 2 I(H2O)5SCN + 4 Na + 20 NO2 + 5 O2
CH3CH(OH)COOH + Fe(OH)3 = Fe(CH3CH(OH)COO)3 + H2O =>
3 CH3CH(OH)COOH + Fe(OH)3 = Fe(CH3CH(OH)COO)3 + 3 H2O
K2SO4 + AlBr3 = Al2(SO4)3 + KBr =>
3 K2SO4 + 2 AlBr3 = Al2(SO4)3 + 6 KBr
CuCl2 + (NaOH) = Cu(OH)2 + NaCl =>
CuCl2 + 2(NaOH) = Cu(OH)2 + 2 NaCl
Fe + CuNO3 = Cu + Fe(NO3)2 =>
Fe + 2 CuNO3 = 2 Cu + Fe(NO3)2
Na2SO4 + (NH4)I = NaI + (NH4)2SO4 =>
Na2SO4 + 2(NH4)I = 2 NaI + (NH4)2SO4
KBr(aq) + CaS(aq) = K2S(aq) + CaBr2(s) =>
2 KBr(aq) + CaS(aq) = K2S(aq) + CaBr2(s)
Mg + CO2* = MgO + C =>
2 Mg + CO2* = 2 MgO + C
Pb(NO3)2 + NaCl = PbCl2 + Na + NO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 Na + 2 NO3
CH3CONH2 + H2SO4 + H2O = CH3COOH + (NH4)2SO4 =>
2 CH3CONH2 + H2SO4 + 2 H2O = 2 CH3COOH + (NH4)2SO4
Mg(s) + AgNO3(l) = Ag(s) + Mg(NO3)2(ac) =>
Mg(s) + 2 AgNO3(l) = 2 Ag(s) + Mg(NO3)2(ac)
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
H2SO4*2NaOH = Na2SO4 + H2O =>
H2SO4*2NaOH = Na2SO4 + 2 H2O
P + Cl2 = PCl5 =>
2 P + 5 Cl2 = 2 PCl5
MgO + (NH4)3PO4 = Mg3(PO4)2 + (NH4)2O =>
3 MgO + 2(NH4)3PO4 = Mg3(PO4)2 + 3(NH4)2O
P + Cl2 = PCl5 =>
2 P + 5 Cl2 = 2 PCl5
C9H8O4 + C2H5OH = C9H10O3 + CH3COOH =>
C9H8O4 + C2H5OH = C9H10O3 + CH3COOH
CoCl2 + BaCl2 = BaCo + Cl =>
CoCl2 + BaCl2 = BaCo + 4 Cl
C11H15NO2 + O2 = CO2 + H2O + NO2 =>
4 C11H15NO2 + 59 O2 = 44 CO2 + 30 H2O + 4 NO2
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