| Équations équilibrées la veille |
Li2O + HCl = Li2Cl + OH
H2O + S{2-} + MnO4{-} = S + MnS + OH{-} =>
8 H2O + 7 S{2-} + 2 MnO4{-} = 5 S + 2 MnS + 16 OH{-}
Ca(NO3)2 + Cr2(SO4)3 = CaSO4 + Cr(NO3)3 =>
3 Ca(NO3)2 + Cr2(SO4)3 = 3 CaSO4 + 2 Cr(NO3)3
Sn(s) + HCl(aq) = SnCl2(aq) + H2(g) =>
Sn(s) + 2 HCl(aq) = SnCl2(aq) + H2(g)
CrO6H6 = CrO3 + H2O =>
CrO6H6 = CrO3 + 3 H2O
KNO3 + KI + H2SO4 = I + NO + K2SO4 + H2O =>
KNO3 + 3 KI + 2 H2SO4 = 3 I + NO + 2 K2SO4 + 2 H2O
CUO + H = CU + HO =>
CUO + H = CU + HO
Mg(OH)2 + H(C2H3O2) = Mg(C2H3O2)2 + H2O =>
Mg(OH)2 + 2 H(C2H3O2) = Mg(C2H3O2)2 + 2 H2O
Al + FeN2O6 = Fe + AlN3O9 =>
2 Al + 3 FeN2O6 = 3 Fe + 2 AlN3O9
Cr2O7 + Br{-} + H{+} = Cr{3+} + H2O + Br2 =>
Cr2O7 + 8 Br{-} + 14 H{+} = 2 Cr{3+} + 7 H2O + 4 Br2
Al(ClO2)3 = Al + ClO2 =>
Al(ClO2)3 = Al + 3 ClO2
K(ClO3) + KI + H2O = KCl + I2 + KOH =>
K(ClO3) + 6 KI + 3 H2O = KCl + 3 I2 + 6 KOH
Fe2O3 + NO = Fe + NO2 =>
Fe2O3 + 3 NO = 2 Fe + 3 NO2
BaCl2 + CaCO3 = BaCO3 + CaCl2 =>
BaCl2 + CaCO3 = BaCO3 + CaCl2
CH4S(g) + O2(g) = CO2(g) + H2O(g) + SO2(g) =>
CH4S(g) + 3 O2(g) = CO2(g) + 2 H2O(g) + SO2(g)
Pb + H2SO3 = Pb(SO3)2 + H2 =>
Pb + 2 H2SO3 = Pb(SO3)2 + 2 H2
Fe(NO3)3 + Li2CrO4 = Li(NO3) + Fe2(CrO4)3 =>
2 Fe(NO3)3 + 3 Li2CrO4 = 6 Li(NO3) + Fe2(CrO4)3
Zn + Mg(OH)2 = MgZnO2 + H2 =>
Zn + Mg(OH)2 = MgZnO2 + H2
Na2ZnO2 = Zn + Na + O2 =>
Na2ZnO2 = Zn + 2 Na + O2
Ba(NO3)2 + Al2S3 = BaS3 + Al2(NO3)2 =>
Ba(NO3)2 + Al2S3 = BaS3 + Al2(NO3)2
NH4NO3 + Sn3P4 = (NH4)3P + Sn(NO3)4 =>
12 NH4NO3 + Sn3P4 = 4(NH4)3P + 3 Sn(NO3)4
Na2O + O2 = NaO2 =>
2 Na2O + 3 O2 = 4 NaO2
NaBO3 + HCl = NaCl + HBO3 =>
NaBO3 + HCl = NaCl + HBO3
Ca(OH)2 + H3PO4 = CaHPO4 + H2O =>
Ca(OH)2 + H3PO4 = CaHPO4 + 2 H2O
KCN + HBr = KBr + HCN =>
KCN + HBr = KBr + HCN
P2O3 + H2O = H3PO3 =>
P2O3 + 3 H2O = 2 H3PO3
HAc + NH3 = NH4Ac =>
HAc + NH3 = NH4Ac
BaO + S = Ba + SO3 =>
3 BaO + S = 3 Ba + SO3
PbS2 = PbS + S2 =>
2 PbS2 = 2 PbS + S2
CS2(l) + O = CO2 + SO2(g) =>
CS2(l) + 6 O = CO2 + 2 SO2(g)
CaCl2 + Cu(OH)2 = CuCl2 + Ca(OH)2 =>
CaCl2 + Cu(OH)2 = CuCl2 + Ca(OH)2
NaCH3COO + CH3COOH = NaH + CH3COO =>
NaCH3COO + CH3COOH = NaH + 2 CH3COO
Al + NH3 = AlH3 + N =>
Al + NH3 = AlH3 + N
Ba(ClO)2 + K2SO4 = KClO + BaSO4 =>
Ba(ClO)2 + K2SO4 = 2 KClO + BaSO4
K2PtCl4 + NH3 = KCl + PtCl2(NH3)2 =>
K2PtCl4 + 2 NH3 = 2 KCl + PtCl2(NH3)2
Se + Zn = SeZn =>
Se + Zn = SeZn
Na2CO3 + HIn = In{-} + Na{+} + H2CO3 =>
Na2CO3 + 2 HIn = 2 In{-} + 2 Na{+} + H2CO3
Ca + O22 = CaO =>
22 Ca + O22 = 22 CaO
Na2S2O3 + HOCl + H2O = H2SO4 + NaCl + HCl =>
Na2S2O3 + 4 HOCl + H2O = 2 H2SO4 + 2 NaCl + 2 HCl
Al + KClO + KOH = K3AlO3 + KCl + H2O =>
2 Al + 3 KClO + 6 KOH = 2 K3AlO3 + 3 KCl + 3 H2O
CrCl2 + H2O2 + NaOH = NaCrO4 + NaCl + H2O =>
2 CrCl2 + 5 H2O2 + 6 NaOH = 2 NaCrO4 + 4 NaCl + 8 H2O
NaI + Sr(NO3)2 = Na(NO3) + SrI2 =>
2 NaI + Sr(NO3)2 = 2 Na(NO3) + SrI2
Li + MgO = Li2O + Mg =>
2 Li + MgO = Li2O + Mg
PdCl2 + NH3 = [Pd(NH3)2Cl2] =>
PdCl2 + 2 NH3 = [Pd(NH3)2Cl2]
C4H7N + O2 = CO2 + H2O + N2 =>
4 C4H7N + 23 O2 = 16 CO2 + 14 H2O + 2 N2
Br + KCl = KBr + Cl =>
Br + KCl = KBr + Cl
Cu + K4Fe(CN)6 = Cu2Fe(CN)6 + K2 =>
2 Cu + K4Fe(CN)6 = Cu2Fe(CN)6 + 2 K2
C2H2 + AgNO3 = C2HAg + HNO3 =>
C2H2 + AgNO3 = C2HAg + HNO3
C5 + N2 = C5N3 =>
2 C5 + 3 N2 = 2 C5N3
C3H8O3 + OH = CO3 + H2O =>
C3H8O3 + 20 OH = 3 CO3 + 14 H2O
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