| Équations équilibrées la veille |
2 Fe + 3 Cl2 = 2 FeCl3
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
nitricacid + Berylliumhydroxide = Be(NO3)2 + H2O =>
2 HNO3 + Be(OH)2 = Be(NO3)2 + 2 H2O
ClO3 + Fe(OH)3 = FeO4 + Cl + H2 =>
2 ClO3 + 6 Fe(OH)3 = 6 FeO4 + 2 Cl + 9 H2
RCOONa + HCl = RCOOH + NaCl =>
RCOONa + HCl = RCOOH + NaCl
GeO2 + H2 = Ge + H2O =>
GeO2 + 2 H2 = Ge + 2 H2O
BaCl2 + HNO3 = Ba(NO3)2 + HCl =>
BaCl2 + 2 HNO3 = Ba(NO3)2 + 2 HCl
KNO2 + Mn2O7 + H2O = N2O5 + MnO2 + KOH =>
6 KNO2 + 2 Mn2O7 + 3 H2O = 3 N2O5 + 4 MnO2 + 6 KOH
Mg2 + Cu2O2 = Cu + MgO =>
Mg2 + Cu2O2 = 2 Cu + 2 MgO
CH3C(CH3)(OH)(COOH) + Na2CO3 = CH3C(CH3)(ONa)(COONa) + CO2 + H2O =>
CH3C(CH3)(OH)(COOH) + Na2CO3 = CH3C(CH3)(ONa)(COONa) + CO2 + H2O
Ca3(PO4)2 + C + SiO2 = CO + P4 + CaSiO3 =>
2 Ca3(PO4)2 + 10 C + 6 SiO2 = 10 CO + P4 + 6 CaSiO3
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Ca(NO3)2 + C10H14O5V + NH4NO3 = CaVO3 + H2O + CO2 + N2 =>
Ca(NO3)2 + C10H14O5V + 19 NH4NO3 = CaVO3 + 45 H2O + 10 CO2 + 20 N2
I2 + KOH = KI + H2 + O2 =>
I2 + 2 KOH = 2 KI + H2 + O2
CaCl2 + H2O = Cl2H2 + Ca(OH)2 =>
CaCl2 + 2 H2O = Cl2H2 + Ca(OH)2
Pb + CuF = PbF + Cu =>
Pb + CuF = PbF + Cu
PbO2 = Pb3O4 + O2 =>
3 PbO2 = Pb3O4 + O2
Zn + H3AsO3 + H{+} = Zn2{+} + As + H2O =>
6 Zn + H3AsO3 + 3 H{+} = 3 Zn2{+} + As + 3 H2O
Fe + S = FeS =>
Fe + S = FeS
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
Ca(OH)2 + HCI = Ca(CI)2 + H2O =>
Ca(OH)2 + 2 HCI = Ca(CI)2 + 2 H2O
Ni2O3 + Ca = CaO + Ni =>
Ni2O3 + 3 Ca = 3 CaO + 2 Ni
ZnO + Cl2 = ZnCl2 + O2 =>
2 ZnO + 2 Cl2 = 2 ZnCl2 + O2
KIO3 + NaOH + Cl2 = KIO4 + NaCl + H2O =>
KIO3 + 2 NaOH + Cl2 = KIO4 + 2 NaCl + H2O
I2 + OH{-} = I{-} + IO3{-} + H2O =>
3 I2 + 6 OH{-} = 5 I{-} + IO3{-} + 3 H2O
AgNO3 + Na2CO3 = Ag2CO3 + NaNO3 =>
2 AgNO3 + Na2CO3 = Ag2CO3 + 2 NaNO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
MgSO3 + AlPO4 = Mg3(PO4)2 + Al2(SO3)3 =>
3 MgSO3 + 2 AlPO4 = Mg3(PO4)2 + Al2(SO3)3
Cr2O7{2-} + OH{-} = CrO4{2-} + H2O =>
Cr2O7{2-} + 2 OH{-} = 2 CrO4{2-} + H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
KCl(aq) + NaBr(aq) = NaCl(aq) + KBr(aq) =>
KCl(aq) + NaBr(aq) = NaCl(aq) + KBr(aq)
Pb(NO3)2 + H2S = PbS + HNO3 =>
Pb(NO3)2 + H2S = PbS + 2 HNO3
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
KMnO4(s) + C3H5(OH)3(l) = K2CO3(s) + Mn2O3(s) + CO2(g) + H2O(l) =>
14 KMnO4(s) + 4 C3H5(OH)3(l) = 7 K2CO3(s) + 7 Mn2O3(s) + 5 CO2(g) + 16 H2O(l)
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
NiCl2(aq) + NaOH(aq) = Ni(OH)2(aq) + NaCl(aq) =>
NiCl2(aq) + 2 NaOH(aq) = Ni(OH)2(aq) + 2 NaCl(aq)
Ag + MgSO4 = Ag2SO4 + Mg =>
2 Ag + MgSO4 = Ag2SO4 + Mg
PbO2 = Pb3O4 + O2 =>
3 PbO2 = Pb3O4 + O2
I2 + OH{-} = I{-} + IO3{-} + H2O =>
3 I2 + 6 OH{-} = 5 I{-} + IO3{-} + 3 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Co(H2O)6 + Cl = CoCl2 + H2O =>
Co(H2O)6 + 2 Cl = CoCl2 + 6 H2O
CN2 + O2 = CO2 + N2 =>
CN2 + O2 = CO2 + N2
Eu2O3 + Eu = EuO =>
Eu2O3 + Eu = 3 EuO
Sb2S3(s) + O2(g) = Sb2O3(s) + SO2(g) =>
2 Sb2S3(s) + 9 O2(g) = 2 Sb2O3(s) + 6 SO2(g)
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
NH4SO4 + CaOH = NH3 + CaSO4 + H2O =>
NH4SO4 + CaOH = NH3 + CaSO4 + H2O
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