| Équations équilibrées la veille |
Fe2O3 + 3 CO = 2 Fe + 3 CO2
KI + Cl2 + H2O = HIO3 + KCl + HCl =>
KI + 3 Cl2 + 3 H2O = HIO3 + KCl + 5 HCl
Na2CO3(s) + HCl(aq) = H2CO3(l) + NaCl(aq) =>
Na2CO3(s) + 2 HCl(aq) = H2CO3(l) + 2 NaCl(aq)
Ag + Cu(SO4) = Cu + Ag2(SO4) =>
2 Ag + Cu(SO4) = Cu + Ag2(SO4)
Ag(NH3)2Cl + HNO3 = AgCl(s) + NH4NO3 =>
Ag(NH3)2Cl + 2 HNO3 = AgCl(s) + 2 NH4NO3
(NH4)2C2O4 + KMnO4 + H2SO4 = MnSO4 + K2SO4 + CO2 + (NH4)2SO4 + H2O =>
5(NH4)2C2O4 + 2 KMnO4 + 8 H2SO4 = 2 MnSO4 + K2SO4 + 10 CO2 + 5(NH4)2SO4 + 8 H2O
Sb + Au2(CrO4)3 = Sb2(CrO4)5 + Au =>
6 Sb + 5 Au2(CrO4)3 = 3 Sb2(CrO4)5 + 10 Au
Na2Cr2O7(s) + HCl = CrO2Cl2 + NaCl + H2O =>
Na2Cr2O7(s) + 6 HCl = 2 CrO2Cl2 + 2 NaCl + 3 H2O
OH + Mn = MnO + H2O =>
2 OH + Mn = MnO + H2O
Ni(OH)2 + CO2 = NiCO3 + H2O =>
Ni(OH)2 + CO2 = NiCO3 + H2O
NH4I + Hg(CH3COO)2 = NH4(CH3COO) + HgI2 =>
2 NH4I + Hg(CH3COO)2 = 2 NH4(CH3COO) + HgI2
K3PO4 + Ag(NO3)2 = KNO3 + Ag3(PO4)2 =>
2 K3PO4 + 3 Ag(NO3)2 = 6 KNO3 + Ag3(PO4)2
Re + HNO2 = HReO4 + NO + H2O =>
Re + 7 HNO2 = HReO4 + 7 NO + 3 H2O
MnO4 + HCl = MnCl15 + H15O + Cl2 =>
2 MnO4 + 120 HCl = 2 MnCl15 + 8 H15O + 45 Cl2
Na2HPO4 + (NH4)2MoO4 + HNO3 = (NH4)3PMo12O40 + NaNO3 + NH4NO3 + H2O =>
Na2HPO4 + 12(NH4)2MoO4 + 23 HNO3 = (NH4)3PMo12O40 + 2 NaNO3 + 21 NH4NO3 + 12 H2O
NaCl + Zn = NaZn + Cl =>
NaCl + Zn = NaZn + Cl
CO2 + H2O + N2 = C3H8 + N2O4 =>
6 CO2 + 8 H2O + 5 N2 = 2 C3H8 + 5 N2O4
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Fe2(SO4)3 + K2[Fe(CN)6] = Fe2[Fe(CN)6]3 + K2SO4 =>
Fe2(SO4)3 + 3 K2[Fe(CN)6] = Fe2[Fe(CN)6]3 + 3 K2SO4
Cl2(g) + NaOH(aq) = H2O(l) + NaCl(aq) + NaClO3(aq) =>
3 Cl2(g) + 6 NaOH(aq) = 3 H2O(l) + 5 NaCl(aq) + NaClO3(aq)
CaPO4 + Si2O4 + C = CaSiO3 + CO + P4 =>
4 CaPO4 + 2 Si2O4 + 12 C = 4 CaSiO3 + 12 CO + P4
NaOH + HC2H302 = H2O + Na + C =>
303 NaOH + HC2H302 = 303 H2O + 303 Na + 2 C
PbI2 + HNO3 = Pb(NO3)2 + I2 + NO + H2O =>
3 PbI2 + 8 HNO3 = 3 Pb(NO3)2 + 3 I2 + 2 NO + 4 H2O
Pb(CH3COO)2 + BaCl2 = PbCl2 + Ba(CH3COO)2 =>
Pb(CH3COO)2 + BaCl2 = PbCl2 + Ba(CH3COO)2
SrO + CO = SrCO2 =>
SrO + CO = SrCO2
KMnO + NaOH + H2O2 = NaKO2 + MnO + H2O =>
2 KMnO + 2 NaOH + 3 H2O2 = 2 NaKO2 + 2 MnO + 4 H2O
Na2B4O7 + H2O = Na{+} + B4H4O9{-2} =>
Na2B4O7 + 2 H2O = 2 Na{+} + B4H4O9{-2}
C4H8O2H2 + H2O2 = C4H6O2 + H2O =>
C4H8O2H2 + 2 H2O2 = C4H6O2 + 4 H2O
CH3COCH3 + K2Cr2O7 + H2SO4 = CH3COOH + K2SO4 + Cr2(SO4)3 + H2O =>
6 CH3COCH3 + 4 K2Cr2O7 + 16 H2SO4 = 9 CH3COOH + 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
BaBr + H2SO4 = Ba2SO4 + Br2 + H2 =>
2 BaBr + H2SO4 = Ba2SO4 + Br2 + H2
Ni(OH)2 + HNO3 + H2O = Ni(NO3)2*6H2O =>
Ni(OH)2 + 2 HNO3 + 4 H2O = Ni(NO3)2*6H2O
H2SO4(aq) + Ca(OH)2(aq) = H2O(l) + CaSO4 =>
H2SO4(aq) + Ca(OH)2(aq) = 2 H2O(l) + CaSO4
Si + HNO3 = SiO + NO + H2O =>
3 Si + 2 HNO3 = 3 SiO + 2 NO + H2O
(NH4)3PO4(aq) + CaCl2(aq) = CaPO4(s) + (NH4)3Cl2(aq) =>
(NH4)3PO4(aq) + CaCl2(aq) = CaPO4(s) + (NH4)3Cl2(aq)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
FeCl3 + K3[Fe(CN)6] = Fe[Fe(CN)6] + KCl =>
FeCl3 + K3[Fe(CN)6] = Fe[Fe(CN)6] + 3 KCl
H3PO4 + ZnO = H2O + Zn3(PO4)2 =>
2 H3PO4 + 3 ZnO = 3 H2O + Zn3(PO4)2
MnO2 + SO4 = MnO4 + SO3 =>
MnO2 + 2 SO4 = MnO4 + 2 SO3
CO2 + H2 = C2H6 + O2 =>
2 CO2 + 3 H2 = C2H6 + 2 O2
Pb + Hg + O2 = PbHgO =>
2 Pb + 2 Hg + O2 = 2 PbHgO
CaCl2 + C2H2O4*3H2O = HCl + C2CaO4 + H2O =>
CaCl2 + C2H2O4*3H2O = 2 HCl + C2CaO4 + 3 H2O
C6H10O5 + H2O = CH4 + CO2 =>
C6H10O5 + H2O = 3 CH4 + 3 CO2
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
HMnO4 + HBr = Br2 + MnO + H2O =>
2 HMnO4 + 10 HBr = 5 Br2 + 2 MnO + 6 H2O
HI + Na = H2 + INa =>
2 HI + 2 Na = H2 + 2 INa
CO(OH)2 + HCl = COCl2 + H2O =>
CO(OH)2 + 2 HCl = COCl2 + 2 H2O
Cu + HNO3 = Cu(NO3)2 + HOH + N2 =>
5 Cu + 12 HNO3 = 5 Cu(NO3)2 + 6 HOH + N2
KCrO4 + HCl = H(CrO4) + KCl =>
KCrO4 + HCl = H(CrO4) + KCl
Mn + H2O = Mn(OH)6 + H2 =>
Mn + 6 H2O = Mn(OH)6 + 3 H2
AgNO3 + Li = Ag + Li2NO3 =>
AgNO3 + 2 Li = Ag + Li2NO3
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