| Équations équilibrées la veille |
4 B2H9 + 15 O2 = 4 B2O3 + 18 H2O
NaCl(aq) + Hg2(C2H3O2)2(aq) = HgCl + Na(C2H3O2)(aq) =>
2 NaCl(aq) + Hg2(C2H3O2)2(aq) = 2 HgCl + 2 Na(C2H3O2)(aq)
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
H2O2 + Cr(OH)6{-3} = OH{-} + CrO4{-2} + H2O =>
3 H2O2 + 2 Cr(OH)6{-3} = 2 OH{-} + 2 CrO4{-2} + 8 H2O
MnO4{-}(aq) + S2{-}(aq) + H2O = MnO2 + S(s) + (OH{-}) =>
MnO4{-}(aq) + 3 S2{-}(aq) + 2 H2O = MnO2 + 6 S(s) + 4(OH{-})
KI + MnO2 + H3PO4 = K3PO4 + Mn3(PO4)2 + H2O + I2 =>
6 KI + 3 MnO2 + 4 H3PO4 = 2 K3PO4 + Mn3(PO4)2 + 6 H2O + 3 I2
Fe2O3 + Cu = Cu2O + Fe =>
Fe2O3 + 6 Cu = 3 Cu2O + 2 Fe
Fe2O3 + Cu = Cu2O3 + Fe =>
Fe2O3 + 2 Cu = Cu2O3 + 2 Fe
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
CH3CH2CH3C3 + O2 = CO2 + H2O =>
CH3CH2CH3C3 + 8 O2 = 6 CO2 + 4 H2O
NH2 + O2 = N2 + H2O =>
2 NH2 + O2 = N2 + 2 H2O
K2Cr2O7 + HCl + H2S = KCl + CrCl3 + S + H2O =>
K2Cr2O7 + 8 HCl + 3 H2S = 2 KCl + 2 CrCl3 + 3 S + 7 H2O
Zn + OH{-} + H2O = Zn(OH)4{-} + H2 =>
2 Zn + 2 OH{-} + 6 H2O = 2 Zn(OH)4{-} + 3 H2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
P + O2 = PO5 =>
2 P + 5 O2 = 2 PO5
C6H6O + Cl2 = C6Cl5OH + HCl =>
C6H6O + 5 Cl2 = C6Cl5OH + 5 HCl
(NH4)2SO4 + NaHCO3 = NH4HCO3 + Na2SO4 =>
(NH4)2SO4 + 2 NaHCO3 = 2 NH4HCO3 + Na2SO4
Ba(C2H3O2)2 + Na2(CrO4) = BaCrO4 + NaC2H3O2 =>
Ba(C2H3O2)2 + Na2(CrO4) = BaCrO4 + 2 NaC2H3O2
HNO3 + NH4(OH) = H2O + NH4(NO3) =>
HNO3 + NH4(OH) = H2O + NH4(NO3)
Pb(NO3)2 + CrBr3 = PbBr3 + Cr(NO3)2 =>
Pb(NO3)2 + CrBr3 = PbBr3 + Cr(NO3)2
Ca(NO3)2 + Na2(CO3) = Ca(CO3) + Na(NO3) =>
Ca(NO3)2 + Na2(CO3) = Ca(CO3) + 2 Na(NO3)
Na + C2H2 = NaHC2 + H2 =>
2 Na + 2 C2H2 = 2 NaHC2 + H2
Fe2 + H2S = FeS + H2 =>
Fe2 + 2 H2S = 2 FeS + 2 H2
ZnO(s) + C(s) = Zn(s) + CO2(g) =>
2 ZnO(s) + C(s) = 2 Zn(s) + CO2(g)
Mn + O = MnO2 =>
Mn + 2 O = MnO2
MgAl + H2O = Mg(OH) + AlH =>
MgAl + H2O = Mg(OH) + AlH
Fe(s) + F(g) = Fe3F(s) =>
3 Fe(s) + F(g) = Fe3F(s)
K2CO3 + PbCO3 + SiO2 = CO2 + K2O*PbO*SiO2 =>
K2CO3 + PbCO3 + SiO2 = 2 CO2 + K2O*PbO*SiO2
Fe(ClO4)3 + Na2O = Fe2O3 + Na(ClO4) =>
2 Fe(ClO4)3 + 3 Na2O = Fe2O3 + 6 Na(ClO4)
(NH4)2CO3(aq) + K2CrO4(aq) = (NH4)2CrO4 + K2CO3 =>
(NH4)2CO3(aq) + K2CrO4(aq) = (NH4)2CrO4 + K2CO3
BaCl2(aq) + Na2(CO3)(aq) = Ba(CO3)(s) + NaCl(aq) =>
BaCl2(aq) + Na2(CO3)(aq) = Ba(CO3)(s) + 2 NaCl(aq)
FeCl3 + Pb(NO3)2 = Fe(NO3)2 + Pb(Cl3) =>
FeCl3 + Pb(NO3)2 = Fe(NO3)2 + Pb(Cl3)
CH2O + KMnO4 + H2SO4 = HCOOH + MnSO4 + K2SO4 + H2O =>
5 CH2O + 2 KMnO4 + 3 H2SO4 = 5 HCOOH + 2 MnSO4 + K2SO4 + 3 H2O
NaOH + KH = KOH + NaH =>
NaOH + KH = KOH + NaH
Mn + O = MnO =>
Mn + O = MnO
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Na2CrO4 + Na2SO3 + H2O = Cr2O3 + Na2SO4 + NaOH =>
2 Na2CrO4 + 3 Na2SO3 + 2 H2O = Cr2O3 + 3 Na2SO4 + 4 NaOH
K3[Cr(OH)6] + HCl = CrCl3 + KCl + H2O =>
K3[Cr(OH)6] + 6 HCl = CrCl3 + 3 KCl + 6 H2O
KHC6H4O4 + NaOH = KNaC6H4O4 + H2O =>
KHC6H4O4 + NaOH = KNaC6H4O4 + H2O
FeCl3 + H2O = Fe(OH)3 + Cl2 + H2 =>
2 FeCl3 + 6 H2O = 2 Fe(OH)3 + 3 Cl2 + 3 H2
Ba2(CO3)2 + HNO3 = Ba(NO3)2 + CO2 + H2O =>
Ba2(CO3)2 + 4 HNO3 = 2 Ba(NO3)2 + 2 CO2 + 2 H2O
H2S + FeBr3 = FeBr2 + S + HBr =>
H2S + 2 FeBr3 = 2 FeBr2 + S + 2 HBr
Al + HOH = Al(OH)3 + H2 =>
2 Al + 6 HOH = 2 Al(OH)3 + 3 H2
Na2(s)SO4(aq) + BaCl2(aq) = NaCl(aq) + BaSO4(s) =>
Na2(s)SO4(aq) + BaCl2(aq) = 2 NaCl(aq) + BaSO4(s)
NaOH(aq) + SrCl2(aq) = Sr(OH)2 + NaCl(aq) =>
2 NaOH(aq) + SrCl2(aq) = Sr(OH)2 + 2 NaCl(aq)
Al2(SO4)3 + Na(HCO3) = Al(OH)3 + Na2(SO4) + CO2 =>
Al2(SO4)3 + 6 Na(HCO3) = 2 Al(OH)3 + 3 Na2(SO4) + 6 CO2
Na2C2 + H2O = NaOH + CH =>
Na2C2 + 2 H2O = 2 NaOH + 2 CH
C4H4O4 + KMnO4 = MnO2 + CH3COOK + CO2 + H2O =>
11 C4H4O4 + 12 KMnO4 = 12 MnO2 + 12 CH3COOK + 20 CO2 + 4 H2O
Fe(NO3)3(aq) + Na3PO4(aq) = FePO4(s) + NaNO3(aq) =>
Fe(NO3)3(aq) + Na3PO4(aq) = FePO4(s) + 3 NaNO3(aq)
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