| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2Cr2O7 + 3 C5H12O + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 7 H2O + 3 C5H10O
KMnO4 + N2H6SO4 + H2SO4 = MnSO4 + K2SO4 + N2 + H2O =>
4 KMnO4 + 5 N2H6SO4 + H2SO4 = 4 MnSO4 + 2 K2SO4 + 5 N2 + 16 H2O
FeCl2 + Cl2 = FeCl3 =>
2 FeCl2 + Cl2 = 2 FeCl3
Na2SeO3 + HCl = NaCl + SeO2 + H2O =>
Na2SeO3 + 2 HCl = 2 NaCl + SeO2 + H2O
Zn + OH{-} + H2O = Zn(OH)4{2-} + H2 =>
Zn + 2 OH{-} + 2 H2O = Zn(OH)4{2-} + H2
Fe{2+} + H{+} + ClO4{-} = Fe{3+} + ClO3 + H2O =>
Fe{2+} + 2 H{+} + ClO4{-} = Fe{3+} + ClO3 + H2O
HIO3 + SO2 + H2O = H2SO4 + I =>
2 HIO3 + 5 SO2 + 4 H2O = 5 H2SO4 + 2 I
KMnO4 + NaNO2 + NaOH = K2MnO4 + NaMnO4 + NaNO3 + H2O =>
4 KMnO4 + NaNO2 + 2 NaOH = 2 K2MnO4 + 2 NaMnO4 + NaNO3 + H2O
CaCl2 + Na2SO4 = CaNa2 + SO4Cl2 =>
CaCl2 + Na2SO4 = CaNa2 + SO4Cl2
MnO2 + C2 = Mn + CO2 =>
2 MnO2 + C2 = 2 Mn + 2 CO2
Fe + HNO3 = Fe(NO3) + N2O + H2O =>
8 Fe + 10 HNO3 = 8 Fe(NO3) + N2O + 5 H2O
Cr2O7 + ClO = Cr + ClO3 =>
2 Cr2O7 + 7 ClO = 4 Cr + 7 ClO3
C3H6(g) + Br2(g) = C3H6Br2(g) =>
C3H6(g) + Br2(g) = C3H6Br2(g)
Cs + P4 = Cs3P =>
12 Cs + P4 = 4 Cs3P
Li(s) + N2(g) = Li3N(s) =>
6 Li(s) + N2(g) = 2 Li3N(s)
NaPbO2 + HCl = PbCl3 + NaCl + H2O =>
NaPbO2 + 4 HCl = PbCl3 + NaCl + 2 H2O
CH2Cl2 + O2 = CO2 + HCl =>
CH2Cl2 + O2 = CO2 + 2 HCl
I + KClO3 + NaOH = KI + HCl + NaO4 =>
I + KClO3 + NaOH = KI + HCl + NaO4
BaCO3 + HBr = BaBr2 + H2O + CO2 =>
BaCO3 + 2 HBr = BaBr2 + H2O + CO2
CaCH3COO + HCl = CaCl + CH3COOH =>
CaCH3COO + HCl = CaCl + CH3COOH
NH3 + O3 = N2 + H2O =>
2 NH3 + O3 = N2 + 3 H2O
CaOH + H2O = CaO3 + H3 =>
3 CaOH + 6 H2O = 3 CaO3 + 5 H3
Pb(NO3)3 + KI = PbI3 + KNO3 =>
Pb(NO3)3 + 3 KI = PbI3 + 3 KNO3
Fe3O4 + H3PO4 = FePO4 + Fe3(PO4)2 + H2O =>
3 Fe3O4 + 8 H3PO4 = 6 FePO4 + Fe3(PO4)2 + 12 H2O
HgO + HNO3 = Hg(NO3)2 + H2O =>
HgO + 2 HNO3 = Hg(NO3)2 + H2O
HCOOH + Cu2O = HCOOCu + H2O =>
2 HCOOH + Cu2O = 2 HCOOCu + H2O
CaOH + H2O = CaO3 + H3 =>
3 CaOH + 6 H2O = 3 CaO3 + 5 H3
Mg + H2O2 = Mg(OH)2 =>
Mg + H2O2 = Mg(OH)2
K2Cr2O7 + CH3CH2OH + HCl = CH3COOH + KCl + CrCl3 + H2O =>
2 K2Cr2O7 + 3 CH3CH2OH + 16 HCl = 3 CH3COOH + 4 KCl + 4 CrCl3 + 11 H2O
BaS + HCI = Ba(CI) + HS =>
BaS + HCI = Ba(CI) + HS
KS + MgSO = KSO + MgS =>
KS + MgSO = KSO + MgS
BaO + N2O5 = Ba(NO3)2 =>
BaO + N2O5 = Ba(NO3)2
Ca + H3Po4 = Ca5Po + H2 =>
40 Ca + 2 H3Po4 = 8 Ca5Po + 3 H2
MnCO3 + MnO4{-} + H2O = MnO2 + H3O{+} + CO3{2-} =>
3 MnCO3 + 2 MnO4{-} + 6 H2O = 5 MnO2 + 4 H3O{+} + 3 CO3{2-}
Cu2O + CO2 + H2O + O2 = CuCO3Cu(OH)2 =>
2 Cu2O + 2 CO2 + 2 H2O + O2 = 2 CuCO3Cu(OH)2
C3H6(g) + Br2(g) = C3H6Br2(g) =>
C3H6(g) + Br2(g) = C3H6Br2(g)
Na + AuCl3 = NaCl + Au =>
3 Na + AuCl3 = 3 NaCl + Au
Cu(NO3)2 + Na3PO4 = Cu3(PO4)2 + NaNO3 =>
3 Cu(NO3)2 + 2 Na3PO4 = Cu3(PO4)2 + 6 NaNO3
FH + O2 = OH + F2 =>
2 FH + O2 = 2 OH + F2
C3H6(g) + Br2(g) = C3H6Br2(g) =>
C3H6(g) + Br2(g) = C3H6Br2(g)
Br2 + FeO = FeBr2 + O2 =>
2 Br2 + 2 FeO = 2 FeBr2 + O2
CuSO4(aq) + (NH4)2CO3(aq) = CuCO3 + (NH4)2SO4 =>
CuSO4(aq) + (NH4)2CO3(aq) = CuCO3 + (NH4)2SO4
CrO + H2O = CrOH2O =>
CrO + H2O = CrOH2O
NaCl + MnSO4 = MnCl + NaSO4 =>
NaCl + MnSO4 = MnCl + NaSO4
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
MnCO3 + MnO4{-} + H2O = MnO2 + H3O{+} + CO3{2-} =>
3 MnCO3 + 2 MnO4{-} + 6 H2O = 5 MnO2 + 4 H3O{+} + 3 CO3{2-}
SI + O = SIO2 =>
SI + 2 O = SIO2
Au(OH)3 + Na2SiO3 = Au2(SiO3)3 + NaOH =>
2 Au(OH)3 + 3 Na2SiO3 = Au2(SiO3)3 + 6 NaOH
OH + CO2 = CO3 + H2O =>
2 OH + CO2 = CO3 + H2O
Br2 + FeO = FeBr2 + O2 =>
2 Br2 + 2 FeO = 2 FeBr2 + O2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur07/04/24
Équations équilibrées sur08/03/23
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