| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Fe(OH)3 + 3 CO2 = Fe2(CO3)3 + 3 H2O
Al(OH)4{-} + H2SO4 = Al(OH)3 + H2O + SO4{-2} =>
2 Al(OH)4{-} + H2SO4 = 2 Al(OH)3 + 2 H2O + SO4{-2}
C6H5NH2 + Br2 = C6NH2BrH4 + HBr =>
C6H5NH2 + Br2 = C6NH2BrH4 + HBr
AgCl + Cl{-} = AgCl2{-} =>
AgCl + Cl{-} = AgCl2{-}
PbO + S = PbS + O2 =>
2 PbO + 2 S = 2 PbS + O2
CdOHCl + HNO3 = CdClNO3 + H2O =>
CdOHCl + HNO3 = CdClNO3 + H2O
Fe + Si4 = Fe2Si =>
8 Fe + Si4 = 4 Fe2Si
C22H46 + O2 = C + H2O =>
2 C22H46 + 23 O2 = 44 C + 46 H2O
H2SO3 + KI = K2SO4 + K2S + I2 + H2O =>
2 H2SO3 + 4 KI = K2SO4 + K2S + 2 I2 + 2 H2O
FePO4 + NaS = FeSO4 + NaP =>
FePO4 + NaS = FeSO4 + NaP
FeCl2 + K4[Fe(CN)6] = Fe[Fe(CN)6] + K2Cl =>
FeCl2 + K4[Fe(CN)6] = Fe[Fe(CN)6] + 2 K2Cl
As + H2SO4 = As(SO4)3 + SO2 + H2O =>
As + 6 H2SO4 = As(SO4)3 + 3 SO2 + 6 H2O
Na2S + MgCl2 = NaCl + MgS =>
Na2S + MgCl2 = 2 NaCl + MgS
CH4(g) + O4(g) = CO2(g) + H2O(g) =>
CH4(g) + O4(g) = CO2(g) + 2 H2O(g)
Cu + NH4Cl + H2O + O2 = CuCl2 + NH4OH =>
2 Cu + 4 NH4Cl + 2 H2O + O2 = 2 CuCl2 + 4 NH4OH
SiO2 + H2O + N2 = Si6H12O6 + HNO =>
6 SiO2 + 18 H2O + 12 N2 = Si6H12O6 + 24 HNO
Ca(HCO3)2 + NaCl = CaCO3 + HCl + Na2CO3 =>
Ca(HCO3)2 + 2 NaCl = CaCO3 + 2 HCl + Na2CO3
CaF2 = Ca2 + F4 =>
2 CaF2 = Ca2 + F4
Na2S + Na2Cr2O7 + HCl = S8 + CrCl2 + NaCl + H2O =>
8 Na2S + 2 Na2Cr2O7 + 28 HCl = S8 + 4 CrCl2 + 20 NaCl + 14 H2O
MgO + Cl = MgCl2 + O2 =>
2 MgO + 4 Cl = 2 MgCl2 + O2
NaNO2 + AlI3 = Al(NO2)3 + NaI =>
3 NaNO2 + AlI3 = Al(NO2)3 + 3 NaI
HOH = H2O =>
HOH = H2O
MgO + HNO3 = Mg(NO3)2 + H2O =>
MgO + 2 HNO3 = Mg(NO3)2 + H2O
K3[Cr(OH)6] + Cl2 = KCl + KClO3 + Cr(OH)3 + H2O =>
2 K3[Cr(OH)6] + 3 Cl2 = 5 KCl + KClO3 + 2 Cr(OH)3 + 3 H2O
BrCH2CH3 = Br + CH2CH3 =>
BrCH2CH3 = Br + CH2CH3
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
KBrO3 + HCl = Br2 + Cl2 + KCl + H2O =>
2 KBrO3 + 12 HCl = Br2 + 5 Cl2 + 2 KCl + 6 H2O
HICaCo3 = CaIHCo3 =>
HICaCo3 = CaIHCo3
Cr2O3 + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
Cr2O3 + 3 Br2 + 10 NaOH = 2 Na2CrO4 + 6 NaBr + 5 H2O
CH3CH3CH3OH + HCl = CH3CH3CH3Cl + H2O =>
CH3CH3CH3OH + HCl = CH3CH3CH3Cl + H2O
K2S + KClO + H2SO4 = K2SO4 + Cl2 + H2O =>
K2S + 8 KClO + 4 H2SO4 = 5 K2SO4 + 4 Cl2 + 4 H2O
C1H6 + O2 = H2O + CO2 =>
2 C1H6 + 5 O2 = 6 H2O + 2 CO2
Na2CO3 + Na2SO4 + H2O = NaOH + CSO5 =>
Na2CO3 + Na2SO4 + 2 H2O = 4 NaOH + CSO5
Cs2S = Cs + S8 =>
8 Cs2S = 16 Cs + S8
NiSO4*7H2O + NH3 + NH4Cl = [Ni(NH3)6]Cl2 + (NH4)2SO4 + H2O =>
NiSO4*7H2O + 6 NH3 + 2 NH4Cl = [Ni(NH3)6]Cl2 + (NH4)2SO4 + 7 H2O
MgO + Cl = MgCl2 + O2 =>
2 MgO + 4 Cl = 2 MgCl2 + O2
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + O2 =>
2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2O + 3 O2
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
As + H2SO4 = As(SO4)3 + SO2 + H2O =>
As + 6 H2SO4 = As(SO4)3 + 3 SO2 + 6 H2O
Na3VO4 + Na2SO3 + H2SO4 = VOSO4 + Na2SO4 + H2O =>
2 Na3VO4 + Na2SO3 + 5 H2SO4 = 2 VOSO4 + 4 Na2SO4 + 5 H2O
Fe2O3 + HNO3 = Fe(NO3)3 + H2O =>
Fe2O3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
Al2[SO4]3 + Ca[OH]2 = Al[OH]3 + CaSO4 =>
Al2[SO4]3 + 3 Ca[OH]2 = 2 Al[OH]3 + 3 CaSO4
Mn + PO4 = Mn3(PO4)2 =>
3 Mn + 2 PO4 = Mn3(PO4)2
CaCO3 + H2SiF6 = CaF2 + SiO2 + H2O + CO2 =>
3 CaCO3 + H2SiF6 = 3 CaF2 + SiO2 + H2O + 3 CO2
Ca(OH)2 + Mg(HCO3)2 = Ca(HCO3)2 + Mg(OH)2 =>
Ca(OH)2 + Mg(HCO3)2 = Ca(HCO3)2 + Mg(OH)2
C2O4{-2} + MnO4{-} + H{+} = Mn{+2} + CO2 + H2O =>
5 C2O4{-2} + 2 MnO4{-} + 16 H{+} = 2 Mn{+2} + 10 CO2 + 8 H2O
AlBr3 + ZnCl2 = ZnBr2 + AlCl3 =>
2 AlBr3 + 3 ZnCl2 = 3 ZnBr2 + 2 AlCl3
Zn(OH)2 + NH4OH = [Zn(NH3)](OH)2 + H2O =>
Zn(OH)2 + NH4OH = [Zn(NH3)](OH)2 + H2O
MgO + Cl = MgCl2 + O2 =>
2 MgO + 4 Cl = 2 MgCl2 + O2
Pb(NO3)2 + NaN3 = PbN6 + NaNO3 =>
Pb(NO3)2 + 2 NaN3 = PbN6 + 2 NaNO3
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