| Équations équilibrées la veille |
Na2S2O3 + 2 NH4OH + BaCl2 = 2 NaOH + 2 NH4Cl + BaS2O3
Fe(NO3)3 + NaSCN + H2O = [Fe(H2O)5SCN]{2+} + Na{+} + NO3{-} =>
Fe(NO3)3 + NaSCN + 5 H2O = [Fe(H2O)5SCN]{2+} + Na{+} + 3 NO3{-}
C4H6 + H2O = C4H10O2 =>
C4H6 + 2 H2O = C4H10O2
C3H8(g) + O2(g) = CO(g) + H2(g) =>
2 C3H8(g) + 3 O2(g) = 6 CO(g) + 8 H2(g)
Fe(NO3)3 + NaSCN + H2O = [Fe(H2O)5SCN]{2+} + Na{+} + NO3{-} =>
Fe(NO3)3 + NaSCN + 5 H2O = [Fe(H2O)5SCN]{2+} + Na{+} + 3 NO3{-}
Mg + Ca + Na = MgCaNa =>
Mg + Ca + Na = MgCaNa
Al2 + Br = AlBr2 =>
Al2 + 4 Br = 2 AlBr2
K2Cr2O7 + H2O + H2S = Cr(OH)3 + S + KOH =>
K2Cr2O7 + H2O + 3 H2S = 2 Cr(OH)3 + 3 S + 2 KOH
NaCl(aq) + Zn(NO3)2(aq) = NaNO3(aq) + ZnCl2(s) =>
2 NaCl(aq) + Zn(NO3)2(aq) = 2 NaNO3(aq) + ZnCl2(s)
KH2PO4 + MgCl2 = Mg(H2PO4)2 + KCl =>
2 KH2PO4 + MgCl2 = Mg(H2PO4)2 + 2 KCl
C2H4 + Cl2 + NaOH = C2Cl2H2 + H2O + NaCl =>
C2H4 + 2 Cl2 + 2 NaOH = C2Cl2H2 + 2 H2O + 2 NaCl
NaCl + K2(Cr2O7) + H2(SO4) = Cl2 + K2(SO4) + Na2(SO4) + Cr2O3 + H2O =>
6 NaCl + K2(Cr2O7) + 4 H2(SO4) = 3 Cl2 + K2(SO4) + 3 Na2(SO4) + Cr2O3 + 4 H2O
Al(OH)2Cl + HCl = AlOHCl2 + H2O =>
Al(OH)2Cl + HCl = AlOHCl2 + H2O
(CH3COO)3Fe + H2O = CH3COOFe(OH)2 + CH3COOH =>
(CH3COO)3Fe + 2 H2O = CH3COOFe(OH)2 + 2 CH3COOH
Cd(OH)2 = Cd2 + OH =>
2 Cd(OH)2 = Cd2 + 4 OH
H2S + HgCl2 = Hg2S2 + HCl =>
2 H2S + 2 HgCl2 = Hg2S2 + 4 HCl
H3NO3 + KOH = H2O + K3NO3 =>
H3NO3 + 3 KOH = 3 H2O + K3NO3
Na2CO3 + NaOH = NaOHNa2CO3 =>
Na2CO3 + NaOH = NaOHNa2CO3
Na(OH) + H(NO3) = H(OH) + Na(NO3) =>
Na(OH) + H(NO3) = H(OH) + Na(NO3)
Fe2(SO4)3 + Pb2 = PbSO4 + Fe3 =>
6 Fe2(SO4)3 + 9 Pb2 = 18 PbSO4 + 4 Fe3
CH2O + NO3{-} = HCO3{-} + N2 + H2O + CO2 =>
5 CH2O + 4 NO3{-} = 4 HCO3{-} + 2 N2 + 3 H2O + CO2
NaCo3KOH = NaOHKCo3 =>
NaCo3KOH = NaOHKCo3
KAl(SO4)2 + NaOH = KNaSO4 + Na2SO4 + NaAlO2 + H2O =>
KAl(SO4)2 + 4 NaOH = KNaSO4 + Na2SO4 + NaAlO2 + 2 H2O
FeS2 + H2O = Fe(OH)3 + SO4 + H =>
FeS2 + 11 H2O = Fe(OH)3 + 2 SO4 + 19 H
Cu(CH3COO)2 + K2S = CuS + KCH3COO =>
Cu(CH3COO)2 + K2S = CuS + 2 KCH3COO
NH3 + (CH3)2CO + H2 = C6H15N + H2O =>
NH3 + 2(CH3)2CO + 2 H2 = C6H15N + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
AgNO3KCl = KNO3AgCl =>
AgNO3KCl = KNO3AgCl
Cu + HNO5 = Cu(NO5)2 + H2O + NO2 =>
5 Cu + 12 HNO5 = 5 Cu(NO5)2 + 6 H2O + 2 NO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2SO3 + Li(OH) = LiHSO3 + H2O =>
H2SO3 + Li(OH) = LiHSO3 + H2O
HBr03 + HNO3 = HBrO3 + NO2 + H2O =>
HBr03 + 16 HNO3 = 3 HBrO3 + 16 NO2 + 7 H2O
Ga + NaOH + H2O = Na3[Ga(OH)6] + H2 =>
2 Ga + 6 NaOH + 6 H2O = 2 Na3[Ga(OH)6] + 3 H2
C2H4 + HCl = C2H5Cl =>
C2H4 + HCl = C2H5Cl
H2O + KI = HK + IHO =>
H2O + KI = HK + IHO
OH{-} + MnO2 + KClO3 = MnO4{-} + KCl + H2O =>
2 OH{-} + 2 MnO2 + KClO3 = 2 MnO4{-} + KCl + H2O
Fe(OH)2 + H(NO3) = Fe(NO3)2 + H(OH) =>
Fe(OH)2 + 2 H(NO3) = Fe(NO3)2 + 2 H(OH)
[Cu(NH3)4]SO4 + Na2S = CuS + NH3 + Na2SO4 =>
[Cu(NH3)4]SO4 + Na2S = CuS + 4 NH3 + Na2SO4
I2 + CuCl = Cl2 + CuI =>
I2 + 2 CuCl = Cl2 + 2 CuI
Cu3(OH)2(CO3)2 + H = Cu + H2O + HCO3 =>
Cu3(OH)2(CO3)2 + 4 H = 3 Cu + 2 H2O + 2 HCO3
KClO3 = KClO4 + K + Cl2 =>
8 KClO3 = 6 KClO4 + 2 K + Cl2
HF + CI = F2 + HCI =>
2 HF + 2 CI = F2 + 2 HCI
Na2HPO4 + H2SO4 = H3PO4 + Na2SO4 =>
Na2HPO4 + H2SO4 = H3PO4 + Na2SO4
C4H6 + O3 = CO2 + H2O =>
3 C4H6 + 11 O3 = 12 CO2 + 9 H2O
Na2SiO3 + AlCl3 = Al2(SiO3)3 + NaCl =>
3 Na2SiO3 + 2 AlCl3 = Al2(SiO3)3 + 6 NaCl
Cl2 + SO2 = SO2Cl2 =>
Cl2 + SO2 = SO2Cl2
AsO2{-} + MnO4{-} + H2O = Mn{2+} + AsO4{3-} + H{+} =>
5 AsO2{-} + 2 MnO4{-} + 2 H2O = 2 Mn{2+} + 5 AsO4{3-} + 4 H{+}
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
C4H6 + O3 = CO2 + H2O =>
3 C4H6 + 11 O3 = 12 CO2 + 9 H2O
HNo3 + Ca(OH)2 = Ca(No3)2 + H2O =>
2 HNo3 + Ca(OH)2 = Ca(No3)2 + 2 H2O
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Équations équilibrées sur11/20/24
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