| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2O + Na2O + 2 SiO2 = 2 NaKSiO3
CaSO4 + NaCl = CaCl2 + Na2SO4 =>
CaSO4 + 2 NaCl = CaCl2 + Na2SO4
HMnO4 + H2S + H2SO4 = MnSO4 + H2O =>
8 HMnO4 + 5 H2S + 3 H2SO4 = 8 MnSO4 + 12 H2O
Ba(HCO3)2Na2SO4 = BaSO4Na2CO3CO2H2O =>
Ba(HCO3)2Na2SO4 = BaSO4Na2CO3CO2H2O
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
CoSO4(aq) + HCl(aq) = CoCl2 + H2SO4 =>
CoSO4(aq) + 2 HCl(aq) = CoCl2 + H2SO4
H3FeO3 = Fe2O3 + H2O =>
2 H3FeO3 = Fe2O3 + 3 H2O
C8H9NO2 + O2 = H2O + CO2 + N2 =>
4 C8H9NO2 + 37 O2 = 18 H2O + 32 CO2 + 2 N2
ClO4{-} + H2SO3 = Cl{-} + SO4{2-} + H{+} =>
ClO4{-} + 4 H2SO3 = Cl{-} + 4 SO4{2-} + 8 H{+}
KNO3 + K = K2O + N2 =>
2 KNO3 + 10 K = 6 K2O + N2
Cu2(HSO4)2 + NaNO2 = Cu(NO2)2 + Na2(HSO4) =>
Cu2(HSO4)2 + 4 NaNO2 = 2 Cu(NO2)2 + 2 Na2(HSO4)
KNO3 + K = K2O + N2 =>
2 KNO3 + 10 K = 6 K2O + N2
Pb(C2H3O2)2(aq) + CaCl2(aq) = PbCl2(s) + Ca(C2H3O2)2(aq) =>
Pb(C2H3O2)2(aq) + CaCl2(aq) = PbCl2(s) + Ca(C2H3O2)2(aq)
Br + F = BrF =>
Br + F = BrF
Bi(NO3)3*6H2O + CH4N2S = Bi2S3 + NH4NO3 + CO2 + H2O =>
2 Bi(NO3)3*6H2O + 3 CH4N2S = Bi2S3 + 6 NH4NO3 + 3 CO2 + 6 H2O
Ho + Cl2 = HoCl3 =>
2 Ho + 3 Cl2 = 2 HoCl3
Ca3(PO4)2 + H2O = Ca5(PO4)3OH + Ca(H2PO4)2 =>
7 Ca3(PO4)2 + 4 H2O = 4 Ca5(PO4)3OH + Ca(H2PO4)2
CH3CHCH3 + CuO = CH3COCH3 + H2O + Cu =>
2 CH3CHCH3 + 3 CuO = 2 CH3COCH3 + H2O + 3 Cu
Mg3N2 = Mg + N2 =>
Mg3N2 = 3 Mg + N2
NH4VO3 + Zn + HCl = VOCl2 + ZnCl2 + NH4Cl + H2O =>
2 NH4VO3 + Zn + 8 HCl = 2 VOCl2 + ZnCl2 + 2 NH4Cl + 4 H2O
Nb2O5 + H2O = Nb(OH)5 =>
Nb2O5 + 5 H2O = 2 Nb(OH)5
Pb(C2H3O2)2(aq) + CaCl2(aq) = PbCl2(s) + Ca(C2H3O2)2(aq) =>
Pb(C2H3O2)2(aq) + CaCl2(aq) = PbCl2(s) + Ca(C2H3O2)2(aq)
Co + NaOH = Co(OH)2 + Na =>
Co + 2 NaOH = Co(OH)2 + 2 Na
CaCl2O3 = CaCl2 + O2 =>
2 CaCl2O3 = 2 CaCl2 + 3 O2
HC2H2H3O2 + O2 = CO2 + H2O =>
2 HC2H2H3O2 + 5 O2 = 4 CO2 + 6 H2O
CH3CHCH3 + CuO = CH3COCH3 + H2O + Cu =>
2 CH3CHCH3 + 3 CuO = 2 CH3COCH3 + H2O + 3 Cu
C2H5OH + KMnO2 + H2SO4 = CH3COOH + Mn2SO4 + K2SO4 + H2O =>
C2H5OH + 2 KMnO2 + 2 H2SO4 = CH3COOH + Mn2SO4 + K2SO4 + 3 H2O
CuSO4(aq) + NaCl(aq) = CuCl(aq) + NaSO4(aq) =>
CuSO4(aq) + NaCl(aq) = CuCl(aq) + NaSO4(aq)
KOH + HNO3(roz) = KNO3 + H2O =>
KOH + HNO3(roz) = KNO3 + H2O
HNO3 + Mg(OH)2 = Mg(NO3)2 + H2O =>
2 HNO3 + Mg(OH)2 = Mg(NO3)2 + 2 H2O
K2CO3 + HNO3 = CO2 + H2O + KNO3 =>
K2CO3 + 2 HNO3 = CO2 + H2O + 2 KNO3
Fe + Al = Fe3Al =>
3 Fe + Al = Fe3Al
C18H37O2C2H5 + O2 = H2O + CO2 =>
2 C18H37O2C2H5 + 59 O2 = 42 H2O + 40 CO2
CrCl3 + K2CO3 = Cr2O3 + KCl + CO2 =>
2 CrCl3 + 3 K2CO3 = Cr2O3 + 6 KCl + 3 CO2
C + AgNO3 = C2NO3 + Ag =>
2 C + AgNO3 = C2NO3 + Ag
B + H2O = BO + H2 =>
B + H2O = BO + H2
Zn + Mg(NO3)2 = Mg + Zn(NO3)2 =>
Zn + Mg(NO3)2 = Mg + Zn(NO3)2
NaOH + Na2S = H2S + Na2O =>
2 NaOH + Na2S = H2S + 2 Na2O
KClO3 + C6H12O6 + H2SO4 = CO2 + H2O + Cl2 + K2SO4 =>
24 KClO3 + 5 C6H12O6 + 12 H2SO4 = 30 CO2 + 42 H2O + 12 Cl2 + 12 K2SO4
K4[Fe(SCN)6] + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4) + CO2 + H2O + K2SO4 + KNO3 =>
10 K4[Fe(SCN)6] + 97 K2Cr2O7 + 139 H2SO4 = 5 Fe2(SO4)3 + 97 Cr2(SO4) + 60 CO2 + 139 H2O + 87 K2SO4 + 60 KNO3
Zn(NO3)2 + Na2(CO3) = Na(NO3) + Zn(CO3) =>
Zn(NO3)2 + Na2(CO3) = 2 Na(NO3) + Zn(CO3)
CrCl3 + H2O = CrOHCl2 + HCl =>
CrCl3 + H2O = CrOHCl2 + HCl
P2 + O2 = P4O10 =>
2 P2 + 5 O2 = P4O10
(C4H10) + (O2) = (H2O) + (CO2) =>
2(C4H10) + 13(O2) = 10(H2O) + 8(CO2)
CaCO3 + NH4H2PO4 = Ca4O(PO4)2 + NH3 + CO2 + H2O =>
4 CaCO3 + 2 NH4H2PO4 = Ca4O(PO4)2 + 2 NH3 + 4 CO2 + 3 H2O
F2 + H2O = OF2 + HF =>
2 F2 + H2O = OF2 + 2 HF
Cu + SO4 = CuSO4 =>
Cu + SO4 = CuSO4
KMnO4 + C5H8O2 = Mn(C5H7O2)3 + O2 + KOH + H2O =>
KMnO4 + 3 C5H8O2 = Mn(C5H7O2)3 + O2 + KOH + H2O
Cu + N + O = Cu(NO3)2 =>
Cu + 2 N + 6 O = Cu(NO3)2
(NH4)2SO4 + NaCl = NH4Cl + Na2SO4 =>
(NH4)2SO4 + 2 NaCl = 2 NH4Cl + Na2SO4
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Équations équilibrées sur12/21/24
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