| Équations équilibrées la veille | Équations équilibrées le lendemain |
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
NaBr + Pb(NO3)2 = Na(NO3)2 + PbBr =>
NaBr + Pb(NO3)2 = Na(NO3)2 + PbBr
C4H4O + C4H2O3 = C8H6O4 =>
C4H4O + C4H2O3 = C8H6O4
Fe3O4(s) + H2(g) = Fe(s) + H2O(g) =>
Fe3O4(s) + 4 H2(g) = 3 Fe(s) + 4 H2O(g)
Pb2O3 + CO = CO2 + Pb =>
Pb2O3 + 3 CO = 3 CO2 + 2 Pb
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
Fe2O3 + NH3 = FeO + H2O + N2 =>
3 Fe2O3 + 2 NH3 = 6 FeO + 3 H2O + N2
CIO2 + H2O = HCIO3 + HCI =>
6 CIO2 + 3 H2O = 5 HCIO3 + HCI
H2SO4 + HI = H2S + I2 + H2O =>
H2SO4 + 8 HI = H2S + 4 I2 + 4 H2O
Li + Cd4(SnO4)5 = Li4SnO4 + Cd =>
20 Li + Cd4(SnO4)5 = 5 Li4SnO4 + 4 Cd
C6H5CHO + CH3CH2CH2NH2 = C6H5CH(NCH3CH2CH2) + H2O =>
C6H5CHO + CH3CH2CH2NH2 = C6H5CH(NCH3CH2CH2) + H2O
Ag + N2 = Ag3N =>
6 Ag + N2 = 2 Ag3N
C7H14 + O2 = CO2 + H2O =>
2 C7H14 + 21 O2 = 14 CO2 + 14 H2O
C10H13 + O2 = CO2 + H2O =>
4 C10H13 + 53 O2 = 40 CO2 + 26 H2O
P2H4 = PH3 + P4H2 =>
5 P2H4 = 6 PH3 + P4H2
Al + N2 = AlN =>
2 Al + N2 = 2 AlN
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
SiF4 + H2O = H2SiF6 + H2SiO3 =>
3 SiF4 + 3 H2O = 2 H2SiF6 + H2SiO3
Al + Cl3 = AlCl3 =>
Al + Cl3 = AlCl3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
NaOH + Pb(NO3)2 = Na(NO3)2 + PbOH =>
NaOH + Pb(NO3)2 = Na(NO3)2 + PbOH
B2O3 + C = B4C + CO =>
2 B2O3 + 7 C = B4C + 6 CO
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
FeO3 + Al = AlO + Fe =>
FeO3 + 3 Al = 3 AlO + Fe
C3H4 + O2 = CO2 + H2O =>
C3H4 + 4 O2 = 3 CO2 + 2 H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CrO3 + HCl = CrCl3 + O2 + H2O =>
4 CrO3 + 12 HCl = 4 CrCl3 + 3 O2 + 6 H2O
KCN + Co(CN)2 + HCN = K3[Co(CN)6] + H2 =>
6 KCN + 2 Co(CN)2 + 2 HCN = 2 K3[Co(CN)6] + H2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
HNO3 = N2O5 + H2O =>
2 HNO3 = N2O5 + H2O
Pb(NO3)2(aq) + KI(aq) = PbI2(s) + KNO3(aq) =>
Pb(NO3)2(aq) + 2 KI(aq) = PbI2(s) + 2 KNO3(aq)
Cu + O2 = Cu2O3 =>
4 Cu + 3 O2 = 2 Cu2O3
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
KHC8H4O4 + NaOH = Na + KC8H4O4 + H2O =>
KHC8H4O4 + NaOH = Na + KC8H4O4 + H2O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
P4 + HNO3 = P2O5 + N2 + H2O =>
P4 + 4 HNO3 = 2 P2O5 + 2 N2 + 2 H2O
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
Zn + [Fe(SCN)]{2+} = Zn{2+} + Fe + SCN{-} =>
3 Zn + 2[Fe(SCN)]{2+} = 3 Zn{2+} + 2 Fe + 2 SCN{-}
HBrO3 + HNO2 = HNO3 + Br2 + H2O =>
2 HBrO3 + 5 HNO2 = 5 HNO3 + Br2 + H2O
Na2CO3 + Pb(NO3)2 = Na(NO3) + PbCO3 =>
Na2CO3 + Pb(NO3)2 = 2 Na(NO3) + PbCO3
Na2CO3 + NaOH = Na2OH + CO3Na =>
Na2CO3 + NaOH = Na2OH + CO3Na
H2SiF6 + NaOH = NaF + SiO2 + HF =>
H2SiF6 + 2 NaOH = 2 NaF + SiO2 + 4 HF
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/09/12
Équations équilibrées sur03/10/11
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