| Équations équilibrées la veille | Équations équilibrées le lendemain |
NH4(SO4) + Na(OH) = Na(SO4) + NH3 + H2O
AgS + HNO3 = S + NO + AgNO3 + H2O =>
3 AgS + 4 HNO3 = 3 S + NO + 3 AgNO3 + 2 H2O
Co(NO{3}){2} + NaOH = Co(OH){2} + NaNO{3} =>
Co(NO{3}){2} + NaOH = Co(OH){2} + NaNO{3}
Fe(OH)3 + CH3COOH = Fe3O4 + CO2 + H2O =>
24 Fe(OH)3 + CH3COOH = 8 Fe3O4 + 2 CO2 + 38 H2O
P{5+} + Cl{-} = PCl5 =>
P{5+} + 5 Cl{-} = PCl5
AgNO3 + NaH2PO4 = Ag3PO4 + NaNO3 + H3PO4 =>
3 AgNO3 + 3 NaH2PO4 = Ag3PO4 + 3 NaNO3 + 2 H3PO4
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
Zn + NaOH + NaNO3 + H2O = Na2[Zn(OH)4] + NO =>
3 Zn + 4 NaOH + 2 NaNO3 + 4 H2O = 3 Na2[Zn(OH)4] + 2 NO
Al2O3 + Cl = Al + Cl2O7 =>
7 Al2O3 + 6 Cl = 14 Al + 3 Cl2O7
FeCl2 + NH2CONH2 + H2O = Fe2O3 + NH4Cl + CO2 + H2 =>
2 FeCl2 + 2 NH2CONH2 + 5 H2O = Fe2O3 + 4 NH4Cl + 2 CO2 + H2
H + CCl4 = C + Cl{-} + H{+} =>
4 H + CCl4 = C + 4 Cl{-} + 4 H{+}
HClO4 + Mg = H2 + Mg(ClO4)2 =>
2 HClO4 + Mg = H2 + Mg(ClO4)2
BrO2(aq) + NaOH(aq) = NaBrO3(aq) + NaBr(aq) + H2O =>
6 BrO2(aq) + 6 NaOH(aq) = 5 NaBrO3(aq) + NaBr(aq) + 3 H2O
Al(SO4) + K = K(SO4) + Al =>
Al(SO4) + K = K(SO4) + Al
Pb + S = PbS =>
Pb + S = PbS
H2O + CrO4{2-} + Cu = Cr(OH)3 + Cu(OH)2 + OH{-} =>
8 H2O + 2 CrO4{2-} + 3 Cu = 2 Cr(OH)3 + 3 Cu(OH)2 + 4 OH{-}
Zr + Se = ZrSe3 =>
Zr + 3 Se = ZrSe3
CoCl2H12O6 + H2O2 + NH4OH + NH4Cl = CoCl10(NH3)71 + H2O =>
CoCl2H12O6 + 4 H2O2 + 63 NH4OH + 8 NH4Cl = CoCl10(NH3)71 + 77 H2O
Co(NO3)2 + NaB4O7 = CoB4O7 + NaNO3 + NO3 =>
Co(NO3)2 + NaB4O7 = CoB4O7 + NaNO3 + NO3
NH3 + O2 = NO32 + H2O =>
4 NH3 + 67 O2 = 4 NO32 + 6 H2O
Ca + O + H = Ca(OH)2 =>
Ca + 2 O + 2 H = Ca(OH)2
Al + Cd2SO4 = Al2(SO4)3 + Cd =>
2 Al + 3 Cd2SO4 = Al2(SO4)3 + 6 Cd
Ca(OH)2 + Al + H2O = Ca[Al(OH)4(H2O)2] + H2 =>
Ca(OH)2 + Al + 4 H2O = Ca[Al(OH)4(H2O)2] + H2
Fe3 = Fe5 =>
5 Fe3 = 3 Fe5
Mg + NHO3 = Mg(NO3)2 + H2 =>
Mg + 2 NHO3 = Mg(NO3)2 + H2
Al(NO3)3 + CaS = AlS + Ca(NO3)3 =>
Al(NO3)3 + CaS = AlS + Ca(NO3)3
Bi + HNO3 = Bi(NO3)3 + NO + H2O =>
Bi + 4 HNO3 = Bi(NO3)3 + NO + 2 H2O
CH3CH2OH + O = CH3COOH + H2O =>
CH3CH2OH + 2 O = CH3COOH + H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
BaCl2 + HPO3 = HCl + Ba(PO3)2 =>
BaCl2 + 2 HPO3 = 2 HCl + Ba(PO3)2
BaCl2 + NH4OH = Ba(OH)2 + ClNH4 =>
BaCl2 + 2 NH4OH = Ba(OH)2 + 2 ClNH4
BeSO4(s) = BeO(s) + SO3(g) =>
BeSO4(s) = BeO(s) + SO3(g)
CoCl2*6H2O + AlCl3 = CoAl2O4 + HCl + H2O =>
CoCl2*6H2O + 2 AlCl3 = CoAl2O4 + 8 HCl + 2 H2O
AgNO3 + I2 = AgI + AgIO3 + NO2 =>
6 AgNO3 + 3 I2 = 4 AgI + 2 AgIO3 + 6 NO2
(NH4)2Cr2O7 + Ca(OH)2 = NH4OH + CaCr2O7 =>
(NH4)2Cr2O7 + Ca(OH)2 = 2 NH4OH + CaCr2O7
K2O4CO = K2CO3O2 =>
K2O4CO = K2CO3O2
NaCl + KNO3 = NaNO3 + KCl =>
NaCl + KNO3 = NaNO3 + KCl
Cr6O3 + H2O = Cr(OH) =>
Cr6O3 + 3 H2O = 6 Cr(OH)
CuBr2 + H2S = H2Br2 + CuS =>
CuBr2 + H2S = H2Br2 + CuS
H2O + CrO4{2-} + Cu = Cr(OH)3 + Cu(OH)2 + OH{-} =>
8 H2O + 2 CrO4{2-} + 3 Cu = 2 Cr(OH)3 + 3 Cu(OH)2 + 4 OH{-}
KMnO4 + C6H12O6 + NaOH = C6H11O7Na + K2MnO4 + MnO2 + H2O =>
2 KMnO4 + 2 C6H12O6 + 2 NaOH = 2 C6H11O7Na + K2MnO4 + MnO2 + 2 H2O
Na2O + SO3 = Na2SO3 + O2 =>
2 Na2O + 2 SO3 = 2 Na2SO3 + O2
NH3 + O2 = NO32 + H2O =>
4 NH3 + 67 O2 = 4 NO32 + 6 H2O
CH4 + NO2 = C7H5N3O6 + H2 =>
14 CH4 + 6 NO2 = 2 C7H5N3O6 + 23 H2
KMnO4 + H2SO4 + Al(C2O4)3 = K2SO4 + MnSO4 + CO2 + Al2O3 + H2O =>
6 KMnO4 + 9 H2SO4 + 10 Al(C2O4)3 = 3 K2SO4 + 6 MnSO4 + 60 CO2 + 5 Al2O3 + 9 H2O
P4 + K(OH) + H2O = K(H2PO2) + PH3 =>
P4 + 3 K(OH) + 3 H2O = 3 K(H2PO2) + PH3
NaHSO4 + BaCO3 = Na2SO4 + BaSO4 + CO2 + H2O =>
2 NaHSO4 + BaCO3 = Na2SO4 + BaSO4 + CO2 + H2O
Al(H2O)6{3+} + SO4{2-} + K{+} + H2O = KAl(SO4)2*12H2O =>
Al(H2O)6{3+} + 2 SO4{2-} + K{+} + 6 H2O = KAl(SO4)2*12H2O
AsS + HNO3 + H2O = H2SO4 + H3AsO4 + NO =>
3 AsS + 11 HNO3 + 2 H2O = 3 H2SO4 + 3 H3AsO4 + 11 NO
NiS(g) + HCl(g) + HNO3(g) = NiCl2(g) + NO(g) + S(g) + H2O(g) =>
3 NiS(g) + 6 HCl(g) + 2 HNO3(g) = 3 NiCl2(g) + 2 NO(g) + 3 S(g) + 4 H2O(g)
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