| Équations équilibrées la veille |
S + 3 O + 2 KOH = K2SO4 + H2O
Fe + CO3Na2 = FeO + CO + Na2O =>
Fe + CO3Na2 = FeO + CO + Na2O
HCCH + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
HCCH + 2 KMnO4 + 3 H2SO4 = 2 CO2 + 2 MnSO4 + K2SO4 + 4 H2O
NO2Cl = Cl2 + NO2 =>
2 NO2Cl = Cl2 + 2 NO2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H + H2SO4 + Fe2O3 = FeSO4 + H2O =>
2 H + 2 H2SO4 + Fe2O3 = 2 FeSO4 + 3 H2O
CH3OH + KMnO4 + H3PO4 = CH2O + Mn3(PO4)2 + K3PO4 + H2O =>
15 CH3OH + 6 KMnO4 + 6 H3PO4 = 15 CH2O + 2 Mn3(PO4)2 + 2 K3PO4 + 24 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
C25H22N4O9S3 + NaOH = C25H20N4Na2O9S3 + H2O =>
C25H22N4O9S3 + 2 NaOH = C25H20N4Na2O9S3 + 2 H2O
Na2CO3(s) + HCl(aq) = NaCl + CO2 + H2O =>
Na2CO3(s) + 2 HCl(aq) = 2 NaCl + CO2 + H2O
Na2CO3 + Pr2(CO3)3 + PrF3 = Na3Pr2[CO3]4F =>
9 Na2CO3 + 5 Pr2(CO3)3 + 2 PrF3 = 6 Na3Pr2[CO3]4F
Hg2I2 + O2 = HgO2 + I2 =>
Hg2I2 + 2 O2 = 2 HgO2 + I2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Na + H2SO4 = Na2SO4 + Na2S + H2O =>
8 Na + 4 H2SO4 = 3 Na2SO4 + Na2S + 4 H2O
Ca(OH)2N2O5 = Ca(NO3)2H2O =>
Ca(OH)2N2O5 = Ca(NO3)2H2O
NaH(CO3) + HCl = NaCl + H2(CO3) =>
NaH(CO3) + HCl = NaCl + H2(CO3)
CH3ONaHCl = CH3OHNaCl =>
CH3ONaHCl = CH3OHNaCl
HBrO3 + M(OH)2 = M(BrO3)2 + H2O =>
2 HBrO3 + M(OH)2 = M(BrO3)2 + 2 H2O
Y2 + JX = JY3 + XY =>
2 Y2 + JX = JY3 + XY
CrO3 + HCl = Cr2O3 + Cl2 + H2O =>
2 CrO3 + 6 HCl = Cr2O3 + 3 Cl2 + 3 H2O
OF4 = O + F =>
OF4 = O + 4 F
SO2 + AgNO3 = Ag2SO4 + NO2 =>
SO2 + 2 AgNO3 = Ag2SO4 + 2 NO2
SO3{2-} + H{+} + CrO4{2-} = SO4{2-} + Cr{3+} + H2O =>
3 SO3{2-} + 10 H{+} + 2 CrO4{2-} = 3 SO4{2-} + 2 Cr{3+} + 5 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
PO + Na = NaO + P =>
PO + Na = NaO + P
Pb(NO3)2 + ClO2 = NO2 + Pb(ClO3)4 + Cl2 =>
2 Pb(NO3)2 + 10 ClO2 = 4 NO2 + 2 Pb(ClO3)4 + Cl2
RuO2 + KHSO5 = RuO4 + KHSO4 =>
RuO2 + 2 KHSO5 = RuO4 + 2 KHSO4
BaCO3CH3COOH = Ba(CH3COOH)CO3 =>
BaCO3CH3COOH = Ba(CH3COOH)CO3
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
H2OSiO2 = SiO2*H2O =>
H2OSiO2 = SiO2*H2O
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
Pb(NO3)2 + FeCI3 = PbCI3 + Fe(NO3)2 =>
Pb(NO3)2 + FeCI3 = PbCI3 + Fe(NO3)2
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
Cu(NO3)2 + K4[Fe(CN)6] = Cu[Fe(CN)6] + K2NO3 =>
Cu(NO3)2 + K4[Fe(CN)6] = Cu[Fe(CN)6] + 2 K2NO3
Cu(NO3)2*3H2O + NH4OH = [Cu(NH3)4](NO3)2 + H2O =>
Cu(NO3)2*3H2O + 4 NH4OH = [Cu(NH3)4](NO3)2 + 7 H2O
Ag(s) + H2S(g) + O2 = Ag2S(s) + H2O(l) =>
4 Ag(s) + 2 H2S(g) + O2 = 2 Ag2S(s) + 2 H2O(l)
H2CO3 + K3PO4 = K2CO3 + H3PO4 =>
3 H2CO3 + 2 K3PO4 = 3 K2CO3 + 2 H3PO4
C4H8 + HBr = H5C2Br =>
C4H8 + 2 HBr = 2 H5C2Br
Cu(OH)2 + NH4 = Cu(NH3)4 + H + O =>
Cu(OH)2 + 4 NH4 = Cu(NH3)4 + 6 H + 2 O
NaCO3*HCl = NaCl + HCO3 =>
NaCO3*HCl = NaCl + HCO3
C(grafito) + O2(g) + H2(g) = C6H5COOH(s) =>
7 C(grafito) + O2(g) + 3 H2(g) = C6H5COOH(s)
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
C2N2 + F2 = CF4 + NF4 =>
C2N2 + 8 F2 = 2 CF4 + 2 NF4
CH3CH2CH(OH)CH2CH2CH3 + KMnO4 + H2SO4 = CH3CH2C(O)CH2CH3 + MnSO4 + K2SO4 + H2O =>
25 CH3CH2CH(OH)CH2CH2CH3 + 12 KMnO4 + 18 H2SO4 = 30 CH3CH2C(O)CH2CH3 + 12 MnSO4 + 6 K2SO4 + 43 H2O
MgSi = Mg + Si =>
MgSi = Mg + Si
CH3CH(OH)CH3 + CuO = (CH3)2CO + Cu + H2O =>
CH3CH(OH)CH3 + CuO = (CH3)2CO + Cu + H2O
C6H5NH2 + NaOH = C6H5NNa + H3O =>
C6H5NH2 + NaOH = C6H5NNa + H3O
Br2(l) + NaI(aq) = Br2I + Na =>
Br2(l) + NaI(aq) = Br2I + Na
HCl + Ni(OH)2 = H2O + Ni(Cl)2 =>
2 HCl + Ni(OH)2 = 2 H2O + Ni(Cl)2
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