| Équations équilibrées la veille | Équations équilibrées le lendemain |
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
Ca(OH)2(aq) + CH3CO2H(aq) = H2O + Ca(CH3CO2)2 =>
Ca(OH)2(aq) + 2 CH3CO2H(aq) = 2 H2O + Ca(CH3CO2)2
BrCl = Cl2 + Br2 =>
2 BrCl = Cl2 + Br2
SmO = Sm + O2 =>
2 SmO = 2 Sm + O2
H2O2 + N2H4 = HNO3 + H2O =>
7 H2O2 + N2H4 = 2 HNO3 + 8 H2O
LiF + Cl2 = F2 + LiCl =>
2 LiF + Cl2 = F2 + 2 LiCl
Na2CO3(s) + HCl(l) = NaCl + H2O + CO2 =>
Na2CO3(s) + 2 HCl(l) = 2 NaCl + H2O + CO2
SiO2 + Mg(OH)2 = MgSiO3 + H2O =>
SiO2 + Mg(OH)2 = MgSiO3 + H2O
FeCl3 + HC2H3O2 = Fe(C2H3O2)3 + HCl =>
FeCl3 + 3 HC2H3O2 = Fe(C2H3O2)3 + 3 HCl
AlCl3 + H2O = AlOHCl2 + HCl =>
AlCl3 + H2O = AlOHCl2 + HCl
HClO + Ca(OH)2 = H2O + Ca(ClO)2 =>
2 HClO + Ca(OH)2 = 2 H2O + Ca(ClO)2
AlK(SO4)2*12H2O = Al2O3 + K2SO4 + H2O + SO3 =>
2 AlK(SO4)2*12H2O = Al2O3 + K2SO4 + 24 H2O + 3 SO3
Hg2S + HNO3 = NO + Hg(NO3)2 + SO2 + H2O =>
3 Hg2S + 20 HNO3 = 8 NO + 6 Hg(NO3)2 + 3 SO2 + 10 H2O
PbSO3 + H2S = PbS + H2SO4 =>
4 PbSO3 + 3 H2S = 4 PbS + 3 H2SO4
Al + I = AlI3 =>
Al + 3 I = AlI3
Br2 + O2 = Br2O6 =>
Br2 + 3 O2 = Br2O6
NaHCO3(s) = Na2CO3 + CO2(g) + H2O =>
2 NaHCO3(s) = Na2CO3 + CO2(g) + H2O
HNO3 + NaOH = H2O + NaNO3 =>
HNO3 + NaOH = H2O + NaNO3
SO2 + K2O = K2SO3 =>
SO2 + K2O = K2SO3
C2H2 + (Cu(NH3)2)Cl = Cu2C2 + NH4Cl + NH3 =>
C2H2 + 2(Cu(NH3)2)Cl = Cu2C2 + 2 NH4Cl + 2 NH3
SO2 + HNO3 = SO3 + HNO2 =>
SO2 + HNO3 = SO3 + HNO2
Al(OH)3 + HBr = Al(Br)3 + H2O =>
Al(OH)3 + 3 HBr = Al(Br)3 + 3 H2O
Au(C2H3O2)3 + CuCO3 = Au2(CO3)3 + Cu(C2H3O2)2 =>
2 Au(C2H3O2)3 + 3 CuCO3 = Au2(CO3)3 + 3 Cu(C2H3O2)2
Hg(NO3)2 + (NH4)2S = HgS + (NH4)(NO3) =>
Hg(NO3)2 + (NH4)2S = HgS + 2(NH4)(NO3)
Be + NaOH = Be(OH)2 + Na =>
Be + 2 NaOH = Be(OH)2 + 2 Na
MnO4{-} + H{+} + H2O2 = Mn{2+} + H2O + O2 =>
2 MnO4{-} + 6 H{+} + 5 H2O2 = 2 Mn{2+} + 8 H2O + 5 O2
CrBr3 + NaSiO3 = Cr(SiO3)3 + NaBr =>
CrBr3 + 3 NaSiO3 = Cr(SiO3)3 + 3 NaBr
H2O + K3[Fe(CN)6] = O2 + K4[Fe(CN)6] + K2H2[Fe(CN)6] =>
2 H2O + 4 K3[Fe(CN)6] = O2 + 2 K4[Fe(CN)6] + 2 K2H2[Fe(CN)6]
KBrO3 + Fe(CN)6K4 + HCl = KBr + Fe(CN)6K3 + KCl + H2O =>
KBrO3 + 6 Fe(CN)6K4 + 6 HCl = KBr + 6 Fe(CN)6K3 + 6 KCl + 3 H2O
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
SO2 + K(MnO4) + H2O = K(HSO4) + H2SO4 + Mn(SO4) =>
5 SO2 + 2 K(MnO4) + 2 H2O = 2 K(HSO4) + H2SO4 + 2 Mn(SO4)
*333CO3 + *25CaCl2 = CaCO3 + *25Cl3 =>
25*333CO3 + 333*25CaCl2 = 8325 CaCO3 + 222*25Cl3
BaCl2 + KHSO4 = BaSO4 + KCl + HCl =>
BaCl2 + KHSO4 = BaSO4 + KCl + HCl
Mg + C = MgC =>
Mg + C = MgC
NH4Br + AgNO3 = AgNH4 + BrNO3 =>
NH4Br + AgNO3 = AgNH4 + BrNO3
HCl + MnO2 + H2SO4 = H2O + MnSO4 + Cl2 =>
2 HCl + MnO2 + H2SO4 = 2 H2O + MnSO4 + Cl2
Nb2S5 = Nb2 + S5 =>
Nb2S5 = Nb2 + S5
Li3PO4 + MnO2 = Mn3(PO4)4 + Li2O =>
4 Li3PO4 + 3 MnO2 = Mn3(PO4)4 + 6 Li2O
H2CCH2 + NaOH = H2CCHNa + H2O =>
H2CCH2 + NaOH = H2CCHNa + H2O
BeCl2 + NaCl = BeNaCl3 =>
BeCl2 + NaCl = BeNaCl3
H2O + Cr + H{+} + CrO4{-2} = Cr(OH)3 =>
2 H2O + Cr + 2 H{+} + CrO4{-2} = 2 Cr(OH)3
KMnO4 + Zn + HCl = MnCl2 + OHK + ZnCl2 + H2O =>
2 KMnO4 + 5 Zn + 14 HCl = 2 MnCl2 + 2 OHK + 5 ZnCl2 + 6 H2O
HClO4 + S = SO3 + HCl =>
3 HClO4 + 4 S = 4 SO3 + 3 HCl
CO3 + CaCl2 = CaCO3 + *25Cl3 =>
75 CO3 + 75 CaCl2 = 75 CaCO3 + 2*25Cl3
At2O7 + Ga(OH)3 = At(OH)7 + Ga2O3 =>
3 At2O7 + 14 Ga(OH)3 = 6 At(OH)7 + 7 Ga2O3
HClO4 + S = SO3 + HCl =>
3 HClO4 + 4 S = 4 SO3 + 3 HCl
C6H5OH + CHCl3 + KOH = C6H4(CHO)OH + KCl + H2O =>
C6H5OH + CHCl3 + 3 KOH = C6H4(CHO)OH + 3 KCl + 2 H2O
C2H6O + O2 = C2H4O2 + HOH =>
C2H6O + O2 = C2H4O2 + HOH
HgCO3 + HNO3 = Hg(NO3)2 + H2CO3 =>
HgCO3 + 2 HNO3 = Hg(NO3)2 + H2CO3
(NH4)6Mo7O24*4H2O = MoO3 + NH3 + H2O =>
(NH4)6Mo7O24*4H2O = 7 MoO3 + 6 NH3 + 7 H2O
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Équations équilibrées sur04/21/25
Équations équilibrées sur05/21/24
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