| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
S + O2* = SO2 =>
S + O2* = SO2
H3O + Ca(NO3)2(s) + (NH4)2HPO4(s) + NH3(aq) = Ca10(PO4)6(OH)2(s) + NH4NO3(aq) =>
16 H3O + 110 Ca(NO3)2(s) + 66(NH4)2HPO4(s) + 84 NH3(aq) = 11 Ca10(PO4)6(OH)2(s) + 218 NH4NO3(aq)
H2TPP + FeCl2 + O2 = Fe(TPP)Cl + H2O + HCl =>
4 H2TPP + 4 FeCl2 + O2 = 4 Fe(TPP)Cl + 2 H2O + 4 HCl
MnO2 + K2O + H2SO4 = MnSO4 + O2K2SO4 + H2O =>
2 MnO2 + K2O + 3 H2SO4 = 2 MnSO4 + O2K2SO4 + 3 H2O
NH3 + O2 = HNO3 + H2O =>
NH3 + 2 O2 = HNO3 + H2O
KClO3 + C12H11O11 = KCl + CO + H2O =>
13 KClO3 + 6 C12H11O11 = 13 KCl + 72 CO + 33 H2O
KMnO4 + HBr + H2SO4 = Br2 + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 10 HBr + 3 H2SO4 = 5 Br2 + 2 MnSO4 + K2SO4 + 8 H2O
CuCl2 + NH4OH = Cu(OH)2 + NH4Cl =>
CuCl2 + 2 NH4OH = Cu(OH)2 + 2 NH4Cl
K2Cr2O7 + NH4NO3 = KNO3 + (NH4)2Cr2O7 =>
K2Cr2O7 + 2 NH4NO3 = 2 KNO3 + (NH4)2Cr2O7
NaOH + Na2SO4 = SO4OH + Na =>
NaOH + Na2SO4 = SO4OH + 3 Na
Co(s) + H2O(l) = CoOH(s) + H2(g) =>
2 Co(s) + 2 H2O(l) = 2 CoOH(s) + H2(g)
SO2 + H2 = S + H2O =>
SO2 + 2 H2 = S + 2 H2O
KClO3 + HBr(aq) = Br2 + H2O + KCl =>
KClO3 + 6 HBr(aq) = 3 Br2 + 3 H2O + KCl
Au(s) + HNO3(aq) + HCl(aq) = HAuCl4(aq) + NO(g) + H2O(l) =>
Au(s) + HNO3(aq) + 4 HCl(aq) = HAuCl4(aq) + NO(g) + 2 H2O(l)
Na2Cr2O7 + FeSO4 + H2SO4 = Na2SO4 + Fe2(SO4)3 + Cr2(SO4)3 + H2O =>
Na2Cr2O7 + 6 FeSO4 + 7 H2SO4 = Na2SO4 + 3 Fe2(SO4)3 + Cr2(SO4)3 + 7 H2O
HNO3 + BaCl2 = Ba(NO3)2 + HCl =>
2 HNO3 + BaCl2 = Ba(NO3)2 + 2 HCl
TiCl4 + Mg = Ti + MgCl2 =>
TiCl4 + 2 Mg = Ti + 2 MgCl2
SO2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O =>
3 SO2 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O
(NH4)2SO4(aq) + SrCl2(aq) = NH4Cl + SrSO4 =>
(NH4)2SO4(aq) + SrCl2(aq) = 2 NH4Cl + SrSO4
Hg + HNO3 = NO + HgNO3 + H2O =>
3 Hg + 4 HNO3 = NO + 3 HgNO3 + 2 H2O
Ca + N2 = Ca3N2 =>
3 Ca + N2 = Ca3N2
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
HCl + Mg3P2 = MgCl2 + H3P =>
6 HCl + Mg3P2 = 3 MgCl2 + 2 H3P
CH3COONa + HNO3 = NaNO3 + C2H4O2 =>
CH3COONa + HNO3 = NaNO3 + C2H4O2
CH4(g) + Cl2(g) = CCl4(l) + HCl(g) =>
CH4(g) + 4 Cl2(g) = CCl4(l) + 4 HCl(g)
K4[Fe(CN)6] + Cl2 = K2[Fe(CN)6] + KCl =>
K4[Fe(CN)6] + Cl2 = K2[Fe(CN)6] + 2 KCl
Na2CO3 + C2H4O2 = C2H3O2Na + H2O + CO2 =>
Na2CO3 + 2 C2H4O2 = 2 C2H3O2Na + H2O + CO2
HNO2 + Ca(HCO3)2 = Ca(NO2)2 + CO2 + H2O =>
2 HNO2 + Ca(HCO3)2 = Ca(NO2)2 + 2 CO2 + 2 H2O
HCN + O2 = N2 + CO2 + H2O =>
4 HCN + 5 O2 = 2 N2 + 4 CO2 + 2 H2O
C2H4 + H2O2 = CH2OHCH2OH =>
C2H4 + H2O2 = CH2OHCH2OH
K + CaS = Ca + KS =>
K + CaS = Ca + KS
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
NaBrO3 + F2 + NaOH = NaBrO4 + HF + Na2O =>
NaBrO3 + F2 + 2 NaOH = NaBrO4 + 2 HF + Na2O
CO2 + NH3 = OC(NH2)2 + H2O =>
CO2 + 2 NH3 = OC(NH2)2 + H2O
KIHBrO = KBrOHI =>
KIHBrO = KBrOHI
{-}{-}camphor = {-}{-}Borneol =>
{-}{-}camphor = {-}{-}Borneol
Co3O4 + H2SO4 = CoSO4 + H2O + O2 =>
2 Co3O4 + 6 H2SO4 = 6 CoSO4 + 6 H2O + O2
Bi2O3(s) + C(s) = Bi(s) + CO(g) =>
Bi2O3(s) + 3 C(s) = 2 Bi(s) + 3 CO(g)
HNO2 + FeCl3 = Fe(NO2)3 + HCl =>
3 HNO2 + FeCl3 = Fe(NO2)3 + 3 HCl
Cu(NH3)4 + K4Fe(CN)6 = CuFe(CN)6 + NH3 + K =>
Cu(NH3)4 + K4Fe(CN)6 = CuFe(CN)6 + 4 NH3 + 4 K
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
Co3O4 + H2SO4 = CoSO4 + H2O + O2 =>
2 Co3O4 + 6 H2SO4 = 6 CoSO4 + 6 H2O + O2
HIO3 + FeSO2 + H2SO4 = I2 + Fe2(SO4)3 + H2O =>
2 HIO3 + 2 FeSO2 + H2SO4 = I2 + Fe2(SO4)3 + 2 H2O
Ln + Cl2 = LnCl2 =>
Ln + Cl2 = LnCl2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Co3O4 + H2SO4 = CoSO4 + H2O + O2 =>
2 Co3O4 + 6 H2SO4 = 6 CoSO4 + 6 H2O + O2
MgO + NO2 + O2 = Mg(NO3)2 =>
2 MgO + 4 NO2 + O2 = 2 Mg(NO3)2
H2O + CO2 = H2CO3 =>
H2O + CO2 = H2CO3
KI + KMnO4 + H2SO4 = K2SO4 + MnSO4 + I2 + H2O =>
10 KI + 2 KMnO4 + 8 H2SO4 = 6 K2SO4 + 2 MnSO4 + 5 I2 + 8 H2O
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