| Équations équilibrées la veille |
2 As + 5 NaClO + 6 NaOH = 2 Na3AsO4 + 5 NaCl + 3 H2O
Mg + CO = MgC + MgCO3 =>
3 Mg + 3 CO = 2 MgC + MgCO3
BaSO4 + Cu(OH)2 = CuSO4 + Ba(OH)2 =>
BaSO4 + Cu(OH)2 = CuSO4 + Ba(OH)2
H2SO4(l) + KCl(s) = K2SO4(l) + HCl(g) =>
H2SO4(l) + 2 KCl(s) = K2SO4(l) + 2 HCl(g)
Ba + BrO = Ba(BrO)2 =>
Ba + 2 BrO = Ba(BrO)2
AlCl3 + AgNO3 = AgCl + Al(NO3)3 =>
AlCl3 + 3 AgNO3 = 3 AgCl + Al(NO3)3
NaCO3 + CuSO4*5H2O = H2O + Cu(OH)2CO3 + CO2 + Na2SO4 =>
2 NaCO3 + CuSO4*5H2O = 4 H2O + Cu(OH)2CO3 + CO2 + Na2SO4
Mg + Fe2O3 = MgO + Fe =>
3 Mg + Fe2O3 = 3 MgO + 2 Fe
HCl + NaH2ClO3 = Cl + NaCl + H2O =>
4 HCl + NaH2ClO3 = 4 Cl + NaCl + 3 H2O
Cs + Fe{+3} = Cs{+} + Fe =>
3 Cs + Fe{+3} = 3 Cs{+} + Fe
CuSO4*5H2O + NH4OH = [Cu(NH3)4]SO4 + H2O =>
CuSO4*5H2O + 4 NH4OH = [Cu(NH3)4]SO4 + 9 H2O
Cr + Br2 = CrBr2 =>
Cr + Br2 = CrBr2
KY + H2O2 + HCl = Y + KCl + H2O =>
2 KY + H2O2 + 2 HCl = 2 Y + 2 KCl + 2 H2O
BeCl2 + NaOH = Na2BeO2 + HCl =>
BeCl2 + 2 NaOH = Na2BeO2 + 2 HCl
Fe(NO3)3 + AgNO3 = Ag(NO3)3 + FeNO3 =>
Fe(NO3)3 + AgNO3 = Ag(NO3)3 + FeNO3
Pb(NO2)2 + Li2CO3 = PbCO3 + LiNO2 =>
Pb(NO2)2 + Li2CO3 = PbCO3 + 2 LiNO2
Cr2O3 + CaO = Cr2CaO4 =>
Cr2O3 + CaO = Cr2CaO4
Al4C3 + (H2O) = Al(OH)3 + CH4 =>
Al4C3 + 12(H2O) = 4 Al(OH)3 + 3 CH4
AgSCN + Zn + CH3COOH = Ag + Zn(CH3COO)2 + HSCN =>
2 AgSCN + Zn + 2 CH3COOH = 2 Ag + Zn(CH3COO)2 + 2 HSCN
ZnH2SO4 = ZnSO4H2 =>
ZnH2SO4 = ZnSO4H2
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
Li2S + HBr = Li2H2 + SBr2 =>
Li2S + 2 HBr = Li2H2 + SBr2
ZnPb(NO3)2 = Zn(NO3)2Pb =>
ZnPb(NO3)2 = Zn(NO3)2Pb
COCl2 + CH3OH = CH3OCOOCH3 + HCl =>
COCl2 + 2 CH3OH = CH3OCOOCH3 + 2 HCl
C2H5OH + Na2CO3 = C2H5ONa + CO2 + H2O =>
2 C2H5OH + Na2CO3 = 2 C2H5ONa + CO2 + H2O
C6H8O7 + H2O2 = CO2 + H2O =>
C6H8O7 + 9 H2O2 = 6 CO2 + 13 H2O
FeSO4 + Pb(NO3)2 = Fe(NO3)2 + PbSO4 =>
FeSO4 + Pb(NO3)2 = Fe(NO3)2 + PbSO4
Zn(aq) + S(aq) = ZnS(s) =>
Zn(aq) + S(aq) = ZnS(s)
Mg + S = MgS = =>
Mg + S = MgS
Cl20FeFeFeFeFeFeFeFeFe9999 + Cl2 = FeCl3 =>
2 Cl20FeFeFeFeFeFeFeFeFe9999 + 30001 Cl2 = 20014 FeCl3
C4H8H2O = C4H10O =>
C4H8H2O = C4H10O
CuCl + HNO3 + H{+} = Cu2{+} + NOCl + Cl2 + H2O =>
12 CuCl + 2 HNO3 + 6 H{+} = 6 Cu2{+} + 2 NOCl + 5 Cl2 + 4 H2O
HCO3 = HO + CO2 =>
HCO3 = HO + CO2
K2SO4 = K + SO4 =>
K2SO4 = 2 K + SO4
Mn + F = MnF6 =>
Mn + 6 F = MnF6
HClO3 + CD(OH)2 = CD(ClO3)2 + H2O =>
2 HClO3 + CD(OH)2 = CD(ClO3)2 + 2 H2O
undecane + oxygen = carbondioxide + water =>
C11H24 + 17 O2 = 11 CO2 + 12 H2O
Al2(SO4)3 + HNO3 = Al(NO3)3 + H2SO4 =>
Al2(SO4)3 + 6 HNO3 = 2 Al(NO3)3 + 3 H2SO4
C6H8O7 + H2O = C6H7O7 + H3O =>
C6H8O7 + H2O = C6H7O7 + H3O
K2CrO4 + AgNO3 = Ag2CrO4 + KNO3 =>
K2CrO4 + 2 AgNO3 = Ag2CrO4 + 2 KNO3
PbO + KMnO4 + HCl = PbO2 + KCl + MnCl2 + H2O =>
5 PbO + 2 KMnO4 + 6 HCl = 5 PbO2 + 2 KCl + 2 MnCl2 + 3 H2O
Na + Al + H2O = Na[Al(OH)4] + H2 =>
Na + Al + 4 H2O = Na[Al(OH)4] + 2 H2
F2(g) + PbI4(aq) = PbF4(aq) + I2(s) =>
2 F2(g) + PbI4(aq) = PbF4(aq) + 2 I2(s)
AgNO3(aq) + NiCl(aq) = AgCl(s) + NiNO3(aq) =>
AgNO3(aq) + NiCl(aq) = AgCl(s) + NiNO3(aq)
Cr2O7{2-} + C3H7OH + H{+} = C2H5COOH + Cr{3+} + H2O =>
2 Cr2O7{2-} + 3 C3H7OH + 16 H{+} = 3 C2H5COOH + 4 Cr{3+} + 11 H2O
Pb(NO3)2 + Na2HPO4 = NaH2PO4 + NaNO3 + Pb3(PO4)2 =>
3 Pb(NO3)2 + 4 Na2HPO4 = 2 NaH2PO4 + 6 NaNO3 + Pb3(PO4)2
Fe{2+} + MnO2 + H = Fe + Mn{3+} + H2O{2+} =>
7 Fe{2+} + 2 MnO2 + 8 H = 7 Fe + 2 Mn{3+} + 4 H2O{2+}
Cu + O2 + H{+} = Cu{2+} + H2O =>
2 Cu + O2 + 4 H{+} = 2 Cu{2+} + 2 H2O
MgBr2 + Li3AsO4 = Mg3(AsO4)2 + LiBr =>
3 MgBr2 + 2 Li3AsO4 = Mg3(AsO4)2 + 6 LiBr
MgCO3 + HNO2 = Mg(NO2)2 + H2O + CO2 =>
MgCO3 + 2 HNO2 = Mg(NO2)2 + H2O + CO2
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