| Équations équilibrées la veille |
2 Cr(CH3CO2)3 + 3 K2S = Cr2S3 + 6 KCH3CO2
CaMg(CO3)2 + CH3COOH = H2O + CO2 + Mg(CH3COO)2 + CaCO3 =>
CaMg(CO3)2 + 2 CH3COOH = H2O + CO2 + Mg(CH3COO)2 + CaCO3
Pb{2+} + Co = Co{3+} + Pb =>
3 Pb{2+} + 2 Co = 2 Co{3+} + 3 Pb
AlFe(SO4) = Al(SO4)Fe =>
AlFe(SO4) = Al(SO4)Fe
Al(OH)3 + NaOH = Na[Al(OH)4] =>
Al(OH)3 + NaOH = Na[Al(OH)4]
OH + NaCl = OCl + NaH =>
OH + NaCl = OCl + NaH
NaI + H2O = OH{-} + NaIH{+} =>
NaI + H2O = OH{-} + NaIH{+}
(NH4)2S(aq) + Cd(NO3)2(aq) = NH4NO3(aq) + CdS(s) =>
(NH4)2S(aq) + Cd(NO3)2(aq) = 2 NH4NO3(aq) + CdS(s)
N2H4 + HI = NI + H5 =>
5 N2H4 + 10 HI = 10 NI + 6 H5
H2S2O3 + O2 = SO2 + H2O =>
H2S2O3 + O2 = 2 SO2 + H2O
Cr(s) + Fe(NO3) = Fe(s) + Cr(NO3)3(aq) =>
Cr(s) + 3 Fe(NO3) = 3 Fe(s) + Cr(NO3)3(aq)
C9H8O4 + NaOH = CH3OH + HCOONa + C6H5ONa =>
6 C9H8O4 + 22 NaOH = 7 CH3OH + 17 HCOONa + 5 C6H5ONa
I2Mg = MgI2 =>
I2Mg = MgI2
CoCl2 + Na3PO4 = Co3(PO4)2 + NaCl =>
3 CoCl2 + 2 Na3PO4 = Co3(PO4)2 + 6 NaCl
LiH + KCl = LiCl + KH =>
LiH + KCl = LiCl + KH
Al2(SO4)3 + (NH4)2SO4 + H2O = NH4Al(SO4)2*12H2O =>
Al2(SO4)3 + (NH4)2SO4 + 24 H2O = 2 NH4Al(SO4)2*12H2O
Li5 + I2 = LiI =>
2 Li5 + 5 I2 = 10 LiI
AgBr + PbO = PbBr2 + Ag2O =>
2 AgBr + PbO = PbBr2 + Ag2O
Fe + Br = Br2Fe =>
Fe + 2 Br = Br2Fe
Na2 + CO3 + AgNO3 = Na2NO3 + Ag2CO3 =>
2 Na2 + CO3 + 2 AgNO3 = 2 Na2NO3 + Ag2CO3
MgBr2(aq) + CuSO4(aq) = MgSO4(aq) + CuBr2(aq) =>
MgBr2(aq) + CuSO4(aq) = MgSO4(aq) + CuBr2(aq)
Ag3PO4 + NH4OH = (Ag(NH3)2) + PO4 + H2O =>
Ag3PO4 + 6 NH4OH = 3(Ag(NH3)2) + PO4 + 6 H2O
NaC2H3O2 + HCl = NaCl + H4C2O2 =>
NaC2H3O2 + HCl = NaCl + H4C2O2
Al2O3 + C = Al + CO3 =>
Al2O3 + C = 2 Al + CO3
NaCl + H2SO4 = NaSO4 + HCl + H2 =>
2 NaCl + 2 H2SO4 = 2 NaSO4 + 2 HCl + H2
NH4 + NaClO2 = NH3 + NaCl + H2O =>
4 NH4 + NaClO2 = 4 NH3 + NaCl + 2 H2O
C14H14N3NaO3S + H2SO4 = H2CO3 + Na + N + S + H2O =>
3 C14H14N3NaO3S + 32 H2SO4 = 42 H2CO3 + 3 Na + 9 N + 35 S + 11 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Ba(OH)2 + Na2SiO3 = NaOH + BaSiO3 =>
Ba(OH)2 + Na2SiO3 = 2 NaOH + BaSiO3
AlCl3F = FCl3Al =>
AlCl3F = FCl3Al
Se + Br2 + H2O = HBr + H2SeO4 =>
Se + 3 Br2 + 4 H2O = 6 HBr + H2SeO4
Cr2(SO4)3 + NaOH = Cr(OH)3 + Na2SO4 =>
Cr2(SO4)3 + 6 NaOH = 2 Cr(OH)3 + 3 Na2SO4
PCl3 + H2O = H3PO3(aq) + HCl(g) =>
PCl3 + 3 H2O = H3PO3(aq) + 3 HCl(g)
AgNO4 + Cu = CuNO4 + Ag =>
AgNO4 + Cu = CuNO4 + Ag
N{2+} + O{-2} = NO =>
N{2+} + O{-2} = NO
Zn(s) + HCl(l) = ZnCl2(l) + H2(g) =>
Zn(s) + 2 HCl(l) = ZnCl2(l) + H2(g)
H2SO4 + Na2S2O4 = Na2S2O6 + H2O + SO2 =>
2 H2SO4 + Na2S2O4 = Na2S2O6 + 2 H2O + 2 SO2
AlPO4 + Na2S = Al2S3 + Na3PO4 =>
2 AlPO4 + 3 Na2S = Al2S3 + 2 Na3PO4
Mg(NO3)2 + (NH4)2C2O4 = MgC2O4 + (NH4)(NO3) =>
Mg(NO3)2 + (NH4)2C2O4 = MgC2O4 + 2(NH4)(NO3)
H2IO5{-} + I{-} + H{+} = I2 + H2O =>
H2IO5{-} + 7 I{-} + 8 H{+} = 4 I2 + 5 H2O
Fe3O2BO4 + HCl = FeCl3 + B2O3 + H2O =>
2 Fe3O2BO4 + 18 HCl = 6 FeCl3 + B2O3 + 9 H2O
MgCl2 + (NH4)2C2O4 = MgC2O4 + (NH4)2Cl2 =>
MgCl2 + (NH4)2C2O4 = MgC2O4 + (NH4)2Cl2
AgCl + NaCN + Zn = NaCl + Na2Zn(CN)4 + Ag =>
2 AgCl + 4 NaCN + Zn = 2 NaCl + Na2Zn(CN)4 + 2 Ag
MnO4{-} + CIO3{-} + H{+} = Mn{+2} + CIO4{-} + H2O =>
2 MnO4{-} + 5 CIO3{-} + 6 H{+} = 2 Mn{+2} + 5 CIO4{-} + 3 H2O
C2H5NO2 + MnSO4 = C2H3NO2Mn + H2SO4 =>
C2H5NO2 + MnSO4 = C2H3NO2Mn + H2SO4
CoI3 + Mn = Co + MnI2 =>
2 CoI3 + 3 Mn = 2 Co + 3 MnI2
C7H6O2 + C6H7NO = C13H11O2N + H2O =>
C7H6O2 + C6H7NO = C13H11O2N + H2O
NaOH + Cd = CdOH + Na =>
NaOH + Cd = CdOH + Na
FeSO4(aq) + H2O2(aq) = FeO2(s) + H2SO4(aq) =>
FeSO4(aq) + H2O2(aq) = FeO2(s) + H2SO4(aq)
Mn(CH3CO2)2 + Al2(SO4)3 = Al(CH3CO2)3 + MnSO4 =>
3 Mn(CH3CO2)2 + Al2(SO4)3 = 2 Al(CH3CO2)3 + 3 MnSO4
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