| Équations équilibrées la veille |
8 Al + 3 Fe3O4 = 4 Al2O3 + 9 Fe
Fe2S3(s) + O2(g) = Fe2O3(s) + S =>
2 Fe2S3(s) + 3 O2(g) = 2 Fe2O3(s) + 6 S
MnSO4 + (NH4)2SO4 + H2O = (NH4)2Mn(SO4)2*6H2O =>
MnSO4 + (NH4)2SO4 + 6 H2O = (NH4)2Mn(SO4)2*6H2O
SiCl4 + NH3 = Si3N4 + NH4Cl =>
3 SiCl4 + 16 NH3 = Si3N4 + 12 NH4Cl
Cu + K4[Fe(CN)6] = [Cu(Fe(CN)6)] + K =>
Cu + K4[Fe(CN)6] = [Cu(Fe(CN)6)] + 4 K
Al + HNO3(dilute) = Al(NO3)3 + NH4NO3 + H2O =>
8 Al + 30 HNO3(dilute) = 8 Al(NO3)3 + 3 NH4NO3 + 9 H2O
Ba(NO3)2 + NH4OH = NH4NO3 + Ba(OH)2 =>
Ba(NO3)2 + 2 NH4OH = 2 NH4NO3 + Ba(OH)2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Ca5(PO4)3F + H2SO4 = H3PO4 + HF + CaSO4 =>
Ca5(PO4)3F + 5 H2SO4 = 3 H3PO4 + HF + 5 CaSO4
C6H8O7 + Fe = Fe3(C6H5O7)2 + H2 =>
2 C6H8O7 + 3 Fe = Fe3(C6H5O7)2 + 3 H2
Na2 + Cl2 = Na2Cl =>
2 Na2 + Cl2 = 2 Na2Cl
Mg + Cu(NO3)2 = Mg(NO3)2 + Cu =>
Mg + Cu(NO3)2 = Mg(NO3)2 + Cu
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Ni(NO3)2 + K2S2O8 + NaOH = NiO2 + K2SO4 + NaNO3 + H2SO4 =>
Ni(NO3)2 + K2S2O8 + 2 NaOH = NiO2 + K2SO4 + 2 NaNO3 + H2SO4
FeOH2NO3 + H2O = Fe(OH)2 + NO3 + H =>
FeOH2NO3 + H2O = Fe(OH)2 + NO3 + 2 H
CuBr + Ag = AgBr + Cu =>
CuBr + Ag = AgBr + Cu
C2H2O2 + CH3CHO + NH3 = C4H6N2 + H2O =>
C2H2O2 + CH3CHO + 2 NH3 = C4H6N2 + 3 H2O
CH3(CH2)2OH + O2 = H2O + CO2 =>
2 CH3(CH2)2OH + 9 O2 = 8 H2O + 6 CO2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Li2SO4 + P2S5 + LiCl = Li6PS5Cl + O =>
5 Li2SO4 + P2S5 + 2 LiCl = 2 Li6PS5Cl + 20 O
BeI2(aq) + Cu2SO4(aq) = Be2SO4(aq) + CuI2(aq) =>
2 BeI2(aq) + Cu2SO4(aq) = Be2SO4(aq) + 2 CuI2(aq)
MnCl2 + H2O = MnOHCl + HCl =>
MnCl2 + H2O = MnOHCl + HCl
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Cu3(CO3)2(OH)2 + HNO3 = Cu(NO3)2 + H2O + CO2 =>
Cu3(CO3)2(OH)2 + 6 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 CO2
Br2O = Br2 + O2 =>
2 Br2O = 2 Br2 + O2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
B + F2 = BF3 =>
2 B + 3 F2 = 2 BF3
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
SrSO3 + NaNO3 = Sr(NO3)2 + Na2SO3 =>
SrSO3 + 2 NaNO3 = Sr(NO3)2 + Na2SO3
H2SO4 + Co(OH)5 = H2O + Co2(SO4)5 =>
5 H2SO4 + 2 Co(OH)5 = 10 H2O + Co2(SO4)5
Fe(OH)2 + O2 = Fe2O3*2H2O =>
4 Fe(OH)2 + O2 = 2 Fe2O3*2H2O
HBr + Cu(HO)2 = CuBr2 + H2O =>
2 HBr + Cu(HO)2 = CuBr2 + 2 H2O
COBr2 + NaOH + NaBrO3 = CO2O3 + NaBr + H2O =>
COBr2 + 2 NaOH + NaBrO3 = CO2O3 + 3 NaBr + H2O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
HNO2 + KNO3 = KNO2 + HNO3 =>
HNO2 + KNO3 = KNO2 + HNO3
Cr2SO3 + Sn = SnSO3 + Cr =>
Cr2SO3 + Sn = SnSO3 + 2 Cr
[Co(NH3)6]Cl2 + NH4Cl + O2 + H2O = [Co(NH3)5Cl]Cl2 + NH4OH =>
4[Co(NH3)6]Cl2 + 4 NH4Cl + O2 + 6 H2O = 4[Co(NH3)5Cl]Cl2 + 8 NH4OH
FeS + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 FeS + 10 H2SO4 = Fe2(SO4)3 + 10 H2O + 9 SO2
Cu(C2H3O2)2 = Cu(CH3)2 + CO2 =>
Cu(C2H3O2)2 = Cu(CH3)2 + 2 CO2
Rb + HPO4 = Rb2HPO4 =>
2 Rb + HPO4 = Rb2HPO4
HClO + HNO2 = HNO3 + Cl2 + H2O =>
2 HClO + HNO2 = HNO3 + Cl2 + H2O
SiF4 + H2O = H4SiO4 + H2SiF6 =>
3 SiF4 + 4 H2O = H4SiO4 + 2 H2SiF6
Fe2(CrO4)3 + NH4OH = (NH4)2CrO4 + Fe(OH)3 =>
Fe2(CrO4)3 + 6 NH4OH = 3(NH4)2CrO4 + 2 Fe(OH)3
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
CH3OH + Cl = CH3OCl + H2 =>
2 CH3OH + 2 Cl = 2 CH3OCl + H2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Ba(NO3)2 + H2SO4 = BaSO4 + H2N2O6 =>
Ba(NO3)2 + H2SO4 = BaSO4 + H2N2O6
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