| Équations équilibrées la veille |
MgOD2O = Mg(OD)2
Na2Cr2O7 + H2O + H2S = S + Cr(OH)3 + NaOH =>
Na2Cr2O7 + H2O + 3 H2S = 3 S + 2 Cr(OH)3 + 2 NaOH
Al(s) + H2SO4(ac) = H2(g) + Al2(SO4)3(ac) =>
2 Al(s) + 3 H2SO4(ac) = 3 H2(g) + Al2(SO4)3(ac)
NaBH4 + H2SO4 = B2H6 + H2 + NaSO4 =>
2 NaBH4 + 2 H2SO4 = B2H6 + 3 H2 + 2 NaSO4
MnO4{-} + SO2 + H2O = SO4{2-} + Mn{2+} + H{+} =>
2 MnO4{-} + 5 SO2 + 2 H2O = 5 SO4{2-} + 2 Mn{2+} + 4 H{+}
SIO2 + KOH = K2SIO4 + H2 =>
SIO2 + 2 KOH = K2SIO4 + H2
NH3 + Na2O = NaNH2 + H2O =>
2 NH3 + Na2O = 2 NaNH2 + H2O
B5H9 + C4H4 = C4H10B4 + B2H6 =>
2 B5H9 + 2 C4H4 = 2 C4H10B4 + B2H6
KClK2SO4 = K2ClKSO4 =>
KClK2SO4 = K2ClKSO4
MgSO4 + Na2HPO4 + NH4OH = Mg(NH4)PO4 + H2O + Na2SO4 =>
MgSO4 + Na2HPO4 + NH4OH = Mg(NH4)PO4 + H2O + Na2SO4
Fe(s)O2 = FeO2 =>
Fe(s)O2 = FeO2
Pb(NO3)2 + PI = PbI2 + P(NO3) =>
Pb(NO3)2 + 2 PI = PbI2 + 2 P(NO3)
C3H8O + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2CHO + H2O =>
3 C3H8O + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3CH2CHO + 7 H2O
Ba(NO3)2 = BaON2O5 =>
Ba(NO3)2 = BaON2O5
MnO + H2C2O4 = MnC2O4 + H2O =>
MnO + H2C2O4 = MnC2O4 + H2O
Fe + H3PO4 = FePO4 + H2 =>
2 Fe + 2 H3PO4 = 2 FePO4 + 3 H2
C4H10 + KMnO4 + H2SO4 = C7H6O2 + MnSO4 + K2SO4 + H2O =>
35 C4H10 + 62 KMnO4 + 93 H2SO4 = 20 C7H6O2 + 62 MnSO4 + 31 K2SO4 + 208 H2O
NaSO4 = NaS + O2 =>
NaSO4 = NaS + 2 O2
CuCl2 + Ca(No3)2 = Cu(No3)2 + CaCl2 =>
CuCl2 + Ca(No3)2 = Cu(No3)2 + CaCl2
Cu(OH)2 + HC1 = CuC2 + H2O =>
Cu(OH)2 + 2 HC1 = CuC2 + 2 H2O
Ag + FeSO4 = Fe + Ag2(SO4) =>
2 Ag + FeSO4 = Fe + Ag2(SO4)
Al2O3 + K2CO3 = CO2 + KAlO2 =>
Al2O3 + K2CO3 = CO2 + 2 KAlO2
LiNO3 + NaCl = NaNO3 + LiCl =>
LiNO3 + NaCl = NaNO3 + LiCl
Cu(NO3)2 + K2CO3 = Cu(CO3) + K(NO3) =>
Cu(NO3)2 + K2CO3 = Cu(CO3) + 2 K(NO3)
Zn + H2S = Zn2S + H2 =>
2 Zn + H2S = Zn2S + H2
AgNO3 + KO2PO4 = AgPO4 + KO2NO3 =>
AgNO3 + KO2PO4 = AgPO4 + KO2NO3
HNO2 + Co(OH)2 = Co(NO2)2 + H2O =>
2 HNO2 + Co(OH)2 = Co(NO2)2 + 2 H2O
Na2S + KMnO4 + H2SO4 = Na2SO4 + MnSO4 + K2SO4 + H2O =>
5 Na2S + 8 KMnO4 + 12 H2SO4 = 5 Na2SO4 + 8 MnSO4 + 4 K2SO4 + 12 H2O
CaOH2SiO3 = CaSiO3H2O =>
CaOH2SiO3 = CaSiO3H2O
CH3COOH + Be(OH)2 = Be(CH3COO)2 + H2O =>
2 CH3COOH + Be(OH)2 = Be(CH3COO)2 + 2 H2O
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
KHSO4 + SO2 = KHSO3 + SO4 =>
2 KHSO4 + SO2 = 2 KHSO3 + SO4
Sr(s) + HNO3(aq) = Sr(NO3)2(aq) + H2(g)(g) =>
Sr(s) + 2 HNO3(aq) = Sr(NO3)2(aq) + H2(g)(g)
CoCl2 + Li = LiCl + Co =>
CoCl2 + 2 Li = 2 LiCl + Co
HgCuO = CuHgO =>
HgCuO = CuHgO
HCl + NH4NO3 = NH3Cl + H2O + HNO3 =>
8 HCl + 7 NH4NO3 = 8 NH3Cl + 3 H2O + 6 HNO3
NH3 + H2SO4 = N2(SO4) + H2H3 =>
10 NH3 + 5 H2SO4 = 5 N2(SO4) + 8 H2H3
Mg + H2SO4 = H2 + MgSO4 =>
Mg + H2SO4 = H2 + MgSO4
RCOOH + NaOH = RCOONa + H2O =>
RCOOH + NaOH = RCOONa + H2O
Fe2(SO4)3 + RbOH = Fe(OH)3 + Rb2SO4 =>
Fe2(SO4)3 + 6 RbOH = 2 Fe(OH)3 + 3 Rb2SO4
Sr(s) + HNO3(aq) = Sr(NO3)2(aq) + H2(g)(g) =>
Sr(s) + 2 HNO3(aq) = Sr(NO3)2(aq) + H2(g)(g)
CaO(s) + CO2(g) = CaCO3(s)(classification) =>
CaO(s) + CO2(g) = CaCO3(s)(classification)
Sr(s) + HNO3(aq) = Sr(NO3)2(aq) + H2(g)(g) =>
Sr(s) + 2 HNO3(aq) = Sr(NO3)2(aq) + H2(g)(g)
NH3 + O2 = HNO3 + H2O =>
NH3 + 2 O2 = HNO3 + H2O
Fe + H3PO4 = Fe3(PO4)2 + H2 =>
3 Fe + 2 H3PO4 = Fe3(PO4)2 + 3 H2
Ce(OH)4 = CeO2 + H2O =>
Ce(OH)4 = CeO2 + 2 H2O
Ba(NO3)2 + H2SO4 = BaSO4 + HNO3 =>
Ba(NO3)2 + H2SO4 = BaSO4 + 2 HNO3
Al + FeSO4 = Al2(SO4) + Fe =>
2 Al + FeSO4 = Al2(SO4) + Fe
Fe3 + O2 = Fe3O4 =>
Fe3 + 2 O2 = Fe3O4
SFe = FeS =>
SFe = FeS
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