| Équations équilibrées la veille |
Na2B4O7 + 7 H2O = 4 H3BO3 + 2 NaOH
SO2 + H2 = H2S + H2O =>
SO2 + 3 H2 = H2S + 2 H2O
Na + HCl = H2 + NaCl =>
2 Na + 2 HCl = H2 + 2 NaCl
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
MgNH4PO4(s) = Mg2P2O7(s) + NH3(g) + H2O(g) =>
2 MgNH4PO4(s) = Mg2P2O7(s) + 2 NH3(g) + H2O(g)
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
Zn + NaOH + HOH = NaZn(OH)4 + H2 =>
2 Zn + 2 NaOH + 6 HOH = 2 NaZn(OH)4 + 3 H2
H2Se + Mg(OH)2 = MgSe + H2O =>
H2Se + Mg(OH)2 = MgSe + 2 H2O
Ac + CoO = Ac2O3 + Co =>
2 Ac + 3 CoO = Ac2O3 + 3 Co
MgCO3(s) + H2SO4(aq) = CO2 + H2O + MgSO4 =>
MgCO3(s) + H2SO4(aq) = CO2 + H2O + MgSO4
FePO4 + HCl = HPO4 + FeCl =>
FePO4 + HCl = HPO4 + FeCl
Cr(OH)3 + HO2 + NaOH = Na2CrO4 + H2O =>
Cr(OH)3 + HO2 + 2 NaOH = Na2CrO4 + 3 H2O
NCl3 + NaOH = N2 + NaCl + HOCl =>
2 NCl3 + 3 NaOH = N2 + 3 NaCl + 3 HOCl
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
PCl5 = Cl + P2 =>
2 PCl5 = 10 Cl + P2
Rb + H2O = Rb2O2 + H2 =>
2 Rb + 2 H2O = Rb2O2 + 2 H2
Cu2O + HCl + Al = Cu + AlCl3 + H2O =>
3 Cu2O + 6 HCl + 2 Al = 6 Cu + 2 AlCl3 + 3 H2O
KBr + K2CrO7 + H2SO4 = Br2 + Cr(SO4)3 + K2SO4 + H2O =>
6 KBr + K2CrO7 + 7 H2SO4 = 3 Br2 + Cr(SO4)3 + 4 K2SO4 + 7 H2O
PtCl4 + F2 = FCl4 + Pt =>
2 PtCl4 + F2 = 2 FCl4 + 2 Pt
Mg + Cu2SO4 = MgSO4 + Cu2 =>
Mg + Cu2SO4 = MgSO4 + Cu2
CuSO4 + Na2SO3 + KI = CuI + K2SO4 + Na2S4O6 + NaI =>
6 CuSO4 + 10 Na2SO3 + 24 KI = 6 CuI + 12 K2SO4 + Na2S4O6 + 18 NaI
POCl3 + KOH = K3PO4 + KCl + H2O =>
POCl3 + 6 KOH = K3PO4 + 3 KCl + 3 H2O
Cu(NO3)2 + Na2SO4 = CuSO4 + NaNO3 =>
Cu(NO3)2 + Na2SO4 = CuSO4 + 2 NaNO3
Cu + FeO = CuO + Fe =>
Cu + FeO = CuO + Fe
C4H3O + O2 = CO2 + H2O =>
4 C4H3O + 17 O2 = 16 CO2 + 6 H2O
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
Sr2 + P4 = Sr2P =>
4 Sr2 + P4 = 4 Sr2P
Fe2O3 + I{-} + H{+} = Fe{2+} + I2 + H2O =>
Fe2O3 + 2 I{-} + 6 H{+} = 2 Fe{2+} + I2 + 3 H2O
C3H8O + O2 = C3H6O3 + H2 =>
C3H8O + O2 = C3H6O3 + H2
Al{-}(ClO{3+}){3+} = Al{-}Cl{3+}O{+2} =>
Al{-}(ClO{3+}){3+} = Al{-}Cl{3+}O{+2}
Fe2(SO4)3 + H2S = FeSO4 + S + H2SO4 =>
Fe2(SO4)3 + H2S = 2 FeSO4 + S + H2SO4
BaO2 + HCl = BaCl + H2O + Cl2 =>
2 BaO2 + 8 HCl = 2 BaCl + 4 H2O + 3 Cl2
Cr2(SO4)3 + Na2CO3 + H2O = Na2SO4 + Cr(OH)3 + NaHCO3 =>
Cr2(SO4)3 + 6 Na2CO3 + 6 H2O = 3 Na2SO4 + 2 Cr(OH)3 + 6 NaHCO3
H3C6H5O7 + NaOH = Na3C6H5O7 + H2O =>
H3C6H5O7 + 3 NaOH = Na3C6H5O7 + 3 H2O
C9H23NO3Si + H2O = NH2Si(OH)3 + C11H33O + CH3COOH =>
62 C9H23NO3Si + 198 H2O = 62 NH2Si(OH)3 + 36 C11H33O + 81 CH3COOH
Fe4[Fe(cn)6]3 + PbCrO4 = Fe2(CrO4)3 + Pb2[Fe(cn)6] =>
Fe4[Fe(cn)6]3 + 6 PbCrO4 = 2 Fe2(CrO4)3 + 3 Pb2[Fe(cn)6]
O2 + FeCl3 = Fe2O3 + Cl2 =>
3 O2 + 4 FeCl3 = 2 Fe2O3 + 6 Cl2
FeCl2(H2O)4 + H2C2O4 = FeC2O4(H2O)2 + H2O + HCl =>
FeCl2(H2O)4 + H2C2O4 = FeC2O4(H2O)2 + 2 H2O + 2 HCl
RCl{-} + NaOH = ROH{-} + NaCl =>
RCl{-} + NaOH = ROH{-} + NaCl
LiHSO3 + HBr = H2SO3 + LiBr =>
LiHSO3 + HBr = H2SO3 + LiBr
H2SO4(aq) + CaCO3(s) = H2O(l) + CaSO4(s) + CO2(g) =>
H2SO4(aq) + CaCO3(s) = H2O(l) + CaSO4(s) + CO2(g)
SO3H2SO4 = H2SO4*SO3 =>
SO3H2SO4 = H2SO4*SO3
FrOH + HF = FrF + H2O =>
FrOH + HF = FrF + H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
*Fe + AgNO3 = Ag + Fe(NO3)2 =>
*Fe + 2 AgNO3 = 2 Ag + Fe(NO3)2
HNO2 + H2O2 = HNO3 + H2O =>
HNO2 + H2O2 = HNO3 + H2O
C3H7ClO2 + NaOH = C3H8O3 + NaCl =>
C3H7ClO2 + NaOH = C3H8O3 + NaCl
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Cu(SO4) + NaCl = CuCl2 + Na2(SO4) =>
Cu(SO4) + 2 NaCl = CuCl2 + Na2(SO4)
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