| Équations équilibrées la veille |
CH4 + H2O = 3 H2 + CO
Mg(NO3)2 + K3PO4 = Mg3(PO4)2 + KNO3 =>
3 Mg(NO3)2 + 2 K3PO4 = Mg3(PO4)2 + 6 KNO3
Cr2O7{2-} + H2S + H{+} = Cr{3+} + S + H2O =>
Cr2O7{2-} + 3 H2S + 8 H{+} = 2 Cr{3+} + 3 S + 7 H2O
C6H5NHNH2 + N2O4 = CO2 + H2O + N2 =>
C6H5NHNH2 + 4 N2O4 = 6 CO2 + 4 H2O + 5 N2
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
PbCl2 + Br2 + KOH = K2PbO4 + KBr + KCl + H2O =>
PbCl2 + 2 Br2 + 8 KOH = K2PbO4 + 4 KBr + 2 KCl + 4 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Fe + F = FeF3 =>
Fe + 3 F = FeF3
LiH + H3PO4 = LiPO4 + H2 =>
LiH + H3PO4 = LiPO4 + 2 H2
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Mg + F = MgF2 =>
Mg + 2 F = MgF2
Cr2(SO4)3 + KHCO3 = Cr(OH)3 + K2SO4 + CO2 =>
Cr2(SO4)3 + 6 KHCO3 = 2 Cr(OH)3 + 3 K2SO4 + 6 CO2
X2SiCl2 + H2O = X2Si(OH)2 + HCl =>
X2SiCl2 + 2 H2O = X2Si(OH)2 + 2 HCl
Al(OH)3 + HClO3 = (ClO3)3Al + H2O =>
Al(OH)3 + 3 HClO3 = (ClO3)3Al + 3 H2O
C6H5OH + KOH = C6H5OK + H2O =>
C6H5OH + KOH = C6H5OK + H2O
MgO + HNO3 = Mg(NO3)2 + H2O =>
MgO + 2 HNO3 = Mg(NO3)2 + H2O
Fe + Br3 + LiOH = LiBr3 + Fe(OH)3 =>
Fe + 3 Br3 + 3 LiOH = 3 LiBr3 + Fe(OH)3
SnCl2 + H2O = HCl + SnOHCl =>
SnCl2 + H2O = HCl + SnOHCl
C12H26S2 + O2 = SO2 + H2O + CO2 =>
2 C12H26S2 + 41 O2 = 4 SO2 + 26 H2O + 24 CO2
AlBr3 + Cl2 = AlCl3 + Br2 =>
2 AlBr3 + 3 Cl2 = 2 AlCl3 + 3 Br2
Al + KNO3 + KOH = K3AlO3 + NH3 + H2O =>
8 Al + 3 KNO3 + 21 KOH = 8 K3AlO3 + 3 NH3 + 6 H2O
S + HNO3 = H2SO4 + NO =>
S + 2 HNO3 = H2SO4 + 2 NO
B + F2 = BF3 =>
2 B + 3 F2 = 2 BF3
H3C{-}C = C{-}H + H2 =>
2 H3C{-}C = 2 C{-}H + 3 H2
FeS2 + Na2O2 = Fe2O3 + Na2SO4 + Na2O =>
2 FeS2 + 15 Na2O2 = Fe2O3 + 4 Na2SO4 + 11 Na2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
K2Cr2O7 + HClO4 + HI = Cr(ClO4)3 + KClO4 + I + H2O =>
K2Cr2O7 + 8 HClO4 + 6 HI = 2 Cr(ClO4)3 + 2 KClO4 + 6 I + 7 H2O
Pb(CH3COO)2 + KOH = Pb(OH)2 + K(CH3COO) =>
Pb(CH3COO)2 + 2 KOH = Pb(OH)2 + 2 K(CH3COO)
Co(H2O)6{2+} + SCN{-} = Co(SCN)4{2-} + H2O =>
Co(H2O)6{2+} + 4 SCN{-} = Co(SCN)4{2-} + 6 H2O
Zr + N2 = Zr3N4 =>
3 Zr + 2 N2 = Zr3N4
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
FeO + Ca(H2PO4)2 = FePO4 + Ca + O + H =>
2 FeO + Ca(H2PO4)2 = 2 FePO4 + Ca + 2 O + 4 H
KOH + Ca(NO3)2 = KNO3 + Ca(OH)2 =>
2 KOH + Ca(NO3)2 = 2 KNO3 + Ca(OH)2
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Ca(OH)2 + Na2O2 = Na2O + CaO2 + H2O =>
Ca(OH)2 + Na2O2 = Na2O + CaO2 + H2O
KMnO4 + NaOH + Na2SO3 = KOH + MnO4 + Na3SO3 =>
KMnO4 + NaOH + Na2SO3 = KOH + MnO4 + Na3SO3
NaOH + CrCl3 = NaCl + Cr(OH)3 =>
3 NaOH + CrCl3 = 3 NaCl + Cr(OH)3
PCl3 + O2 = POCl3 =>
2 PCl3 + O2 = 2 POCl3
Na2SO3 + KMnO4 + NaOH = K2MnO4 + Na2MnO4 + Na2SO4 + H2O =>
Na2SO3 + 2 KMnO4 + 2 NaOH = K2MnO4 + Na2MnO4 + Na2SO4 + H2O
MgO + NaOH = Na2O + Mg(OH)2 =>
MgO + 2 NaOH = Na2O + Mg(OH)2
CuBr2 + H2SO4 = Cu2SO4 + Br + SO2 + H2O =>
2 CuBr2 + 2 H2SO4 = Cu2SO4 + 4 Br + SO2 + 2 H2O
Hg2Cl2 = Hg2 + Cl =>
Hg2Cl2 = Hg2 + 2 Cl
K + H2 = KH =>
2 K + H2 = 2 KH
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe2O5 + C = Fe3O4 + CO =>
3 Fe2O5 + 7 C = 2 Fe3O4 + 7 CO
Ni(O2)3 + Cl = Ni2(Cl4)3 + ClO2 =>
2 Ni(O2)3 + 18 Cl = Ni2(Cl4)3 + 6 ClO2
MgO + NaOH = Na2O + Mg(OH)2 =>
MgO + 2 NaOH = Na2O + Mg(OH)2
MnO2 + Al = Al2O3 + Mn =>
3 MnO2 + 4 Al = 2 Al2O3 + 3 Mn
H2O2 + KOH + CrCl3 = K2CrO4 + KCl3 + H2O =>
5 H2O2 + 6 KOH + 2 CrCl3 = 2 K2CrO4 + 2 KCl3 + 8 H2O
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Équations équilibrées sur10/22/24
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