| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NaOH() + CO2(g) = Na2CO3() + H2O(l)
Na(s) + HCl(l) = NaCl(aq) + H2(g) =>
2 Na(s) + 2 HCl(l) = 2 NaCl(aq) + H2(g)
CuCl2 + H2O + SO2 = CuCl + HCl + H2SO4 =>
2 CuCl2 + 2 H2O + SO2 = 2 CuCl + 2 HCl + H2SO4
Fe3O4 + O2 = Fe2O3 = =>
4 Fe3O4 + O2 = 6 Fe2O3
Ca(HCO3)2 + H3P = CO2 + H2O + Ca3P2 =>
3 Ca(HCO3)2 + 2 H3P = 6 CO2 + 6 H2O + Ca3P2
FeO4{2-} + H2O = Fe(OH)3 + O2 + OH{-} =>
4 FeO4{2-} + 10 H2O = 4 Fe(OH)3 + 3 O2 + 8 OH{-}
H2SO3K2S = H2SK2SO3 =>
H2SO3K2S = H2SK2SO3
Au(s) + KNO3(aq) = K + AuNO3 =>
Au(s) + KNO3(aq) = K + AuNO3
Cl2 + I2 + H2O = HCl + HIO3 =>
5 Cl2 + I2 + 6 H2O = 10 HCl + 2 HIO3
Ca(OH)2 + HCl = CaCl2(aq) + H2O(l) =>
Ca(OH)2 + 2 HCl = CaCl2(aq) + 2 H2O(l)
Al2S3 + H2O + O2 = Al(OH)3 + S =>
2 Al2S3 + 6 H2O + 3 O2 = 4 Al(OH)3 + 6 S
AlI3 + NO3 = Al(NO3)3 + I =>
AlI3 + 3 NO3 = Al(NO3)3 + 3 I
Fe(NO3)3 + Ca(OH)2 = Ca(NO3)2 + Fe(OH)3 =>
2 Fe(NO3)3 + 3 Ca(OH)2 = 3 Ca(NO3)2 + 2 Fe(OH)3
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
C = C53 =>
53 C = C53
FeCl3 + NH3 + H2O = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH3 + 3 H2O = Fe(OH)3 + 3 NH4Cl
H2TiCl6 + NaHCO3 = NaCl + CO2 + TiCl4 + H2O =>
H2TiCl6 + 2 NaHCO3 = 2 NaCl + 2 CO2 + TiCl4 + 2 H2O
KOH + Al(OH)3 = K3[Al(OH)6] =>
3 KOH + Al(OH)3 = K3[Al(OH)6]
(C2H6O) + K2Cr2O7 + (H2SO4) = (C2H4O) + Cr2(SO4)3 + K2SO4 + (H2O) =>
3(C2H6O) + K2Cr2O7 + 4(H2SO4) = 3(C2H4O) + Cr2(SO4)3 + K2SO4 + 7(H2O)
Ba(OH)2(H2O)8 + NH4SCN = Ba(SCN)2 + NH3 + H2O =>
Ba(OH)2(H2O)8 + 2 NH4SCN = Ba(SCN)2 + 2 NH3 + 10 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
S + KMnO4 + H2SO4 = MnSO4 + K2SO3 + H2O =>
2 S + 2 KMnO4 + H2SO4 = 2 MnSO4 + K2SO3 + H2O
Mg + Br2 + H2O = Mg(OH)2 + HBr =>
Mg + Br2 + 2 H2O = Mg(OH)2 + 2 HBr
MnO4{-} + NO2{-} + H{+} = Mn{2+} + NO3{-} + H2O =>
2 MnO4{-} + 5 NO2{-} + 6 H{+} = 2 Mn{2+} + 5 NO3{-} + 3 H2O
Li + C = Li2C2 =>
2 Li + 2 C = Li2C2
Na3PO3 + CuSO4 = CuPO3 + Na3SO4 =>
Na3PO3 + CuSO4 = CuPO3 + Na3SO4
Al + MnO2 = Al2O3 + Mn =>
4 Al + 3 MnO2 = 2 Al2O3 + 3 Mn
Cu + O2 + NH3 + H2O = [Cu(NH3)4](OH)2 =>
2 Cu + O2 + 8 NH3 + 2 H2O = 2[Cu(NH3)4](OH)2
KCN + H2O = OH + HKCN =>
KCN + H2O = OH + HKCN
C6H18N4 + KOH = C6H17N4K + H2O =>
C6H18N4 + KOH = C6H17N4K + H2O
NaCN + H2O = COONa + NH4 =>
NaCN + 2 H2O = COONa + NH4
Ca + Al = Ca3Al2 =>
3 Ca + 2 Al = Ca3Al2
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + 2 P
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
S8(s) + F2 = SF6(g) =>
S8(s) + 24 F2 = 8 SF6(g)
H2SO4(aq) + CaCO3(s) = CaSO4(s) + H2CO3(aq) =>
H2SO4(aq) + CaCO3(s) = CaSO4(s) + H2CO3(aq)
MgSO4 + H2O = Mg(OH)2 + H2SO4 =>
MgSO4 + 2 H2O = Mg(OH)2 + H2SO4
KOH(aq) + HCl2(g) = KClO3(aq) + KCl(s) + H2O(l) =>
12 KOH(aq) + 6 HCl2(g) = KClO3(aq) + 11 KCl(s) + 9 H2O(l)
NaCl2 + H2SO4 + MnO2 = NaHSO4 + MnSO4 + H2O + Cl2 =>
2 NaCl2 + 3 H2SO4 + MnO2 = 2 NaHSO4 + MnSO4 + 2 H2O + 2 Cl2
K2CrO4 + PH3 + H2SO4 = Cr2(SO4)3 + K2(SO4) + H3PO4 + H2O =>
8 K2CrO4 + 3 PH3 + 20 H2SO4 = 4 Cr2(SO4)3 + 8 K2(SO4) + 3 H3PO4 + 20 H2O
Zn + Cu(No3)2 = Zn(No3)2 + Cu =>
Zn + Cu(No3)2 = Zn(No3)2 + Cu
AlCl3 + KMnO4 + H2SO4 = Al2(SO4)3 + K2SO4 + MnSO4 + Cl2 + H2O =>
10 AlCl3 + 6 KMnO4 + 24 H2SO4 = 5 Al2(SO4)3 + 3 K2SO4 + 6 MnSO4 + 15 Cl2 + 24 H2O
ZnSO4*7H2O + (NH4)2C2O4*H2O = ZnC2O4 + (NH4)2SO4 + H2O =>
ZnSO4*7H2O + (NH4)2C2O4*H2O = ZnC2O4 + (NH4)2SO4 + 8 H2O
Mo2N + H2O = NH3 + H2 + MoO2 =>
2 Mo2N + 8 H2O = 2 NH3 + 5 H2 + 4 MoO2
Pb + FeI2 = Fe + PbI2 =>
Pb + FeI2 = Fe + PbI2
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
AgNo3(aq) + KBr(aq) = AgBr(s) + KNo3(aq) =>
AgNo3(aq) + KBr(aq) = AgBr(s) + KNo3(aq)
Ba(OH)2 + H2CO3 = BaCO3 + H2O =>
Ba(OH)2 + H2CO3 = BaCO3 + 2 H2O
C6H12O6 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + CO2 + K2SO4 + H2O =>
C6H12O6 + 4 K2Cr2O7 + 16 H2SO4 = 4 Cr2(SO4)3 + 6 CO2 + 4 K2SO4 + 22 H2O
NaOH + CaCO3 = Na2CO3 + Ca(OH)2 =>
2 NaOH + CaCO3 = Na2CO3 + Ca(OH)2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/23/24
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