| Équations équilibrées la veille |
Sn(NO3)2 + 2 KI = 2 KNO3 + SnI2
Mn2 + PbO = MnO2 + Pb =>
Mn2 + 4 PbO = 2 MnO2 + 4 Pb
FeCl3(s) + Na(s) = Fe(s) + NaCl(s) =>
FeCl3(s) + 3 Na(s) = Fe(s) + 3 NaCl(s)
AgNO3 + AlCl3 = AgCl + Al(NO3)3 =>
3 AgNO3 + AlCl3 = 3 AgCl + Al(NO3)3
FeCO3 + H2SO4 = FeSO4 + CO2 + H2O =>
FeCO3 + H2SO4 = FeSO4 + CO2 + H2O
MgSO4(aq) + NaOH(aq) = Mg(OH)2 + Na2SO4 =>
MgSO4(aq) + 2 NaOH(aq) = Mg(OH)2 + Na2SO4
HBr + Na2Mo2O7 + H{+} + e = MoBr3 + NaBr + H2O =>
8 HBr + Na2Mo2O7 + 6 H{+} + 6e = 2 MoBr3 + 2 NaBr + 7 H2O
Na2S2O3 + Br2 + H2O = Na2SO4 + H2SO4 + HBr =>
Na2S2O3 + 4 Br2 + 5 H2O = Na2SO4 + H2SO4 + 8 HBr
FeSO4 + Cu3(PO4)2 = Fe3(PO4)2 + CuSO4 =>
3 FeSO4 + Cu3(PO4)2 = Fe3(PO4)2 + 3 CuSO4
HC2H3O2(aq) + Ca(OH)2 = Ca(C2H3O2)2 + H2O =>
2 HC2H3O2(aq) + Ca(OH)2 = Ca(C2H3O2)2 + 2 H2O
Na + H3Po4 = NaH2Po4 + H2 =>
2 Na + 2 H3Po4 = 2 NaH2Po4 + H2
Cr + S = CrS =>
Cr + S = CrS
NO3 + KOH + NH3 = H2O + KNO3 =>
8 NO3 + 9 KOH + NH3 = 6 H2O + 9 KNO3
BaSO4(s) = S(s) + BaO4(g) =>
BaSO4(s) = S(s) + BaO4(g)
Fe{2+}(aq) + NO(g) = Fe(NO){2+}(aq) =>
Fe{2+}(aq) + NO(g) = Fe(NO){2+}(aq)
CoCl2 + H2O + CaOCl2 + NaOH = Co(OH)3 + NaCl + CaCl2 =>
2 CoCl2 + H2O + CaOCl2 + 4 NaOH = 2 Co(OH)3 + 4 NaCl + CaCl2
H2O + C27H28Br2O5S + HCl = C27H31Br2O6SCl =>
H2O + C27H28Br2O5S + HCl = C27H31Br2O6SCl
CH3CH2CHCH2 + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
5 CH3CH2CHCH2 + 8 KMnO4 + 12 H2SO4 = 10 CH3COOH + 8 MnSO4 + 4 K2SO4 + 12 H2O
SO3CaCO3 = CaSO3CO3 =>
SO3CaCO3 = CaSO3CO3
NbO3 + H2 = Nb + H2O =>
NbO3 + 3 H2 = Nb + 3 H2O
CaSO4 + PbPO4 = Pb2(SO4)3 + Ca3(PO4)2 =>
3 CaSO4 + 2 PbPO4 = Pb2(SO4)3 + Ca3(PO4)2
Mg + O3 = MgO =>
3 Mg + O3 = 3 MgO
CuF2 + AgNO3 = Cu(NO3) + AgF2 =>
CuF2 + AgNO3 = Cu(NO3) + AgF2
HNO2 + CsOH = CsNO2 + H2O =>
HNO2 + CsOH = CsNO2 + H2O
Cr2O7{-2} + H{+} + I2 = Cr{+3} + IO{+3} + H2O =>
5 Cr2O7{-2} + 58 H{+} + 3 I2 = 10 Cr{+3} + 6 IO{+3} + 29 H2O
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
I2 = I =>
I2 = 2 I
K2CO3 + NHO3 = KNO3 + CO2 + H2O =>
K2CO3 + 2 NHO3 = 2 KNO3 + CO2 + H2O
ClO3{-} + C6H12O6 = Cl{-} + CO2 + H2O =>
4 ClO3{-} + C6H12O6 = 4 Cl{-} + 6 CO2 + 6 H2O
H2C2O4 + AgOH = H2O + Ag2C2O4 =>
H2C2O4 + 2 AgOH = 2 H2O + Ag2C2O4
N2 + NH4Br = Br2 + NH3 =>
N2 + 6 NH4Br = 3 Br2 + 8 NH3
CrS + HNO3 = Cr(NO3)2 + S + H2O + NO =>
3 CrS + 8 HNO3 = 3 Cr(NO3)2 + 3 S + 4 H2O + 2 NO
CrS + HNO3 = Cr(NO3)3 + H2SO4 + NO2 + H2O =>
CrS + 12 HNO3 = Cr(NO3)3 + H2SO4 + 9 NO2 + 5 H2O
CrS + HNO3 = Cr(NO3)3 + H2SO4 + NO + H2O =>
CrS + 6 HNO3 = Cr(NO3)3 + H2SO4 + 3 NO + 2 H2O
Al1 + Fe2O3 = Fe + Al2O3 =>
2 Al1 + Fe2O3 = 2 Fe + Al2O3
Cr2(C2O4) + NaOH + H2O2 = Na2CrO4 + Na2C2O4 + H2O =>
Cr2(C2O4) + 6 NaOH + 5 H2O2 = 2 Na2CrO4 + Na2C2O4 + 8 H2O
K4(Fe(SCN)6) + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + CO2 + H2O + K2SO4 + HNO =>
6 K4(Fe(SCN)6) + 72.999999999999K2Cr2O7 + 277 H2SO4 = 3 Fe2(SO4)3 + 72.999999999999Cr2(SO4)3 + 36 CO2 + 259 H2O + 84.999999999999K2SO4 + 36 HNO
FeCl3(s) + Na(s) = Fe(s) + NaCl(s) =>
FeCl3(s) + 3 Na(s) = Fe(s) + 3 NaCl(s)
KClO3 + Cl2H22O11 = KCl + ClO2 + H2O =>
4 KClO3 + 3 Cl2H22O11 = 4 KCl + 6 ClO2 + 33 H2O
C8H14 + HCI = C8H17CI + CI =>
C8H14 + 3 HCI = C8H17CI + 2 CI
Cr(OH)3 + NaOCl + NaOH = Na2CrO4 + NaCl + H2O =>
2 Cr(OH)3 + 3 NaOCl + 4 NaOH = 2 Na2CrO4 + 3 NaCl + 5 H2O
CuSO4 + NH4Cl = CuCl2 + NH4 + SO4 =>
CuSO4 + 2 NH4Cl = CuCl2 + 2 NH4 + SO4
CuOH2 + Br2 = CuBr2 + H2O =>
CuOH2 + Br2 = CuBr2 + H2O
CuBr2 + NH4OH = NH4Br + Cu(OH)2 =>
CuBr2 + 2 NH4OH = 2 NH4Br + Cu(OH)2
HI + SrO = H2O + SrI2 =>
2 HI + SrO = H2O + SrI2
NH4ClO4 + LiOH = LiClO4 + NH3 + H2O =>
NH4ClO4 + LiOH = LiClO4 + NH3 + H2O
F2 + FeI = I2 + FeF =>
F2 + 2 FeI = I2 + 2 FeF
NaHS + Cu(NO3)2 = NaNO3 + CuSO3 + NH =>
NaHS + Cu(NO3)2 = NaNO3 + CuSO3 + NH
C5H11COOH + H2O = HCOOH + C5H11OH =>
C5H11COOH + H2O = HCOOH + C5H11OH
Sc + O2 = Sc2O6 =>
2 Sc + 3 O2 = Sc2O6
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