| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 K2CrO4 + 5 SO2 + 2 H2O = 2 K2SO4 + Cr2(SO4)3 + 2 H2
NbCl5 + H2 + O2 = NbO2 + HCl =>
2 NbCl5 + 5 H2 + 2 O2 = 2 NbO2 + 10 HCl
CH3CH2CN + Cr2O7{2-} + H{+} = CO2 + NH3 + Cr{3+} + H2O =>
3 CH3CH2CN + 7 Cr2O7{2-} + 56 H{+} = 9 CO2 + 3 NH3 + 14 Cr{3+} + 31 H2O
Cu(SO4) + BaCl2 = BaSO4 + CuCl2 =>
Cu(SO4) + BaCl2 = BaSO4 + CuCl2
Mo + HF + HNO3 = H3[MoF7] + NO + H2O =>
3 Mo + 21 HF + 4 HNO3 = 3 H3[MoF7] + 4 NO + 8 H2O
C2H6O = CH3CH2OH =>
C2H6O = CH3CH2OH
Cu(SO4) + NaOH = Cu(OH)2 + Na2SO4 =>
Cu(SO4) + 2 NaOH = Cu(OH)2 + Na2SO4
KHCO3 + HCl = CO2 + H2O + KCl =>
KHCO3 + HCl = CO2 + H2O + KCl
Fe + PbNO{3+}2 = Pb + FeNO{3+}3 =>
Fe + PbNO{3+}2 = Pb + FeNO{3+}3
CaCl2 + NaSiO3 = Ca(SiO3)2 + NaCl =>
CaCl2 + 2 NaSiO3 = Ca(SiO3)2 + 2 NaCl
CaCl2 + Na2O2 + H2O + NaOH = Ca(OH)3 + NaCl =>
2 CaCl2 + Na2O2 + 2 H2O + 2 NaOH = 2 Ca(OH)3 + 4 NaCl
CaCl = Cl + Ca =>
CaCl = Cl + Ca
Cu2S(s) + Cu2O(s) = Cu(s) + SO2(s) =>
Cu2S(s) + 2 Cu2O(s) = 6 Cu(s) + SO2(s)
K2MnO4 + H2SO4 = KSO4 + MnSO4 + O2 + H2O =>
2 K2MnO4 + 6 H2SO4 = 4 KSO4 + 2 MnSO4 + O2 + 6 H2O
CaO + HF(g) = CaF2(s) + H2O(l) =>
CaO + 2 HF(g) = CaF2(s) + H2O(l)
FeO*Fe2O3 = Fe + O2 =>
FeO*Fe2O3 = 3 Fe + 2 O2
MoO4{2-} + CN{-} + BH4{-} + H{+} = [Mo(CN)8]{4-} + H2O + H3BO3 =>
4 MoO4{2-} + 32 CN{-} + BH4{-} + 25 H{+} = 4[Mo(CN)8]{4-} + 13 H2O + H3BO3
C6H10O4 + NH4 + H2 = C6H12N2 + H2O =>
C6H10O4 + 2 NH4 + H2 = C6H12N2 + 4 H2O
Ne + HCl = NeCl + H2 =>
2 Ne + 2 HCl = 2 NeCl + H2
K3PO4 + Cu(NO3)2 = KNO3 + Cu3(PO4)2 =>
2 K3PO4 + 3 Cu(NO3)2 = 6 KNO3 + Cu3(PO4)2
HS{-} + MnO4{-} + H{+} = HSO4{-} + Mn2{+} + H2O =>
13 HS{-} + 16 MnO4{-} + 24 H{+} = 13 HSO4{-} + 8 Mn2{+} + 12 H2O
Cu2 + NaOH = Cu2NaOH =>
Cu2 + NaOH = Cu2NaOH
Cu(s) + HNO3 = Cu(NO3)2(aq) + NO(gas) + H2O =>
3 Cu(s) + 8 HNO3 = 3 Cu(NO3)2(aq) + 2 NO(gas) + 4 H2O
MnO2 + Cu{2+} + OH{-} = MnO4{-} + Cu{+} + H2O =>
MnO2 + 3 Cu{2+} + 4 OH{-} = MnO4{-} + 3 Cu{+} + 2 H2O
Zinc + sulfuricacid = zincsulfate + hydrogen =>
Zn + H2SO4 = ZnSO4 + H2
Cl2 + NH4Cl = Cl3N + HCl =>
3 Cl2 + NH4Cl = Cl3N + 4 HCl
KMnO4 + NaCl + H2SO4 = MnSO4 + Cl2 + K2SO4 + Na2SO4 + H2O =>
2 KMnO4 + 10 NaCl + 8 H2SO4 = 2 MnSO4 + 5 Cl2 + K2SO4 + 5 Na2SO4 + 8 H2O
LiClO3NH4Cl = LiClNH4ClO3 =>
LiClO3NH4Cl = LiClNH4ClO3
*O2 + H2O = H2O2 =>
*O2 + 2 H2O = 2 H2O2
H2 + N2 = H5N7 =>
5 H2 + 7 N2 = 2 H5N7
HgCl2 + KOH = KCl + H2O + HgO =>
HgCl2 + 2 KOH = 2 KCl + H2O + HgO
NH4OH + OH = NH4(OH)2 =>
NH4OH + OH = NH4(OH)2
Zn + CH3COOH = Zn(CH3COO)2 + H2 =>
Zn + 2 CH3COOH = Zn(CH3COO)2 + H2
HNO3 + Cu = HCuO3 + NO2 + H2O =>
5 HNO3 + Cu = HCuO3 + 5 NO2 + 2 H2O
ZnO + Ag = Zn + AgO =>
ZnO + Ag = Zn + AgO
SiCl4(i) + H2O(l) = SiO2(s) + HCl(aq) =>
SiCl4(i) + 2 H2O(l) = SiO2(s) + 4 HCl(aq)
Al + CaCO3 = Al(CO3)3 + Ca =>
Al + 3 CaCO3 = Al(CO3)3 + 3 Ca
Fe(NH4)2SO4 + H2O2 + H2SO4 = Fe(SO4)3 + (NH4)2SO4 + H2O =>
Fe(NH4)2SO4 + 3 H2O2 + 3 H2SO4 = Fe(SO4)3 + (NH4)2SO4 + 6 H2O
FeSO4 + K3(Fe(CN)6) = KFeFe(CN)6 + K2SO4 =>
FeSO4 + K3(Fe(CN)6) = KFeFe(CN)6 + K2SO4
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
Zr + O2 = Zr2O4 =>
2 Zr + 2 O2 = Zr2O4
Na2Co3 + HCl = NaCl + NaHCo3 =>
Na2Co3 + HCl = NaCl + NaHCo3
[Ag(NH3)2]Cl + KCN = K[Ag(CN)2] + KCl + NH3 =>
[Ag(NH3)2]Cl + 2 KCN = K[Ag(CN)2] + KCl + 2 NH3
CH3COOMgBr + NaOH = CH3COONa + MgBrOH =>
CH3COOMgBr + NaOH = CH3COONa + MgBrOH
Al(ClO3)3 + Zn(OH)2 = Al(OH)3 + Zn(ClO3)2 =>
2 Al(ClO3)3 + 3 Zn(OH)2 = 2 Al(OH)3 + 3 Zn(ClO3)2
Ca(OH)2 + Na2O = CaO + NaOH =>
Ca(OH)2 + Na2O = CaO + 2 NaOH
CaCl2 + H3PO4 = Ca3(PO4)2 + HCl =>
3 CaCl2 + 2 H3PO4 = Ca3(PO4)2 + 6 HCl
HCl + Zn = H2 + ZnCl2 =>
2 HCl + Zn = H2 + ZnCl2
Fe(OH)2 + H2SO4 = FeSO4 + H2O =>
Fe(OH)2 + H2SO4 = FeSO4 + 2 H2O
Al(OH) + H2S = Al2S + H2O =>
2 Al(OH) + H2S = Al2S + 2 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/29/25
Équations équilibrées sur04/28/24
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