| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 Mg(s) + CrCl3(aq) = 3 MgCl(aq) + Cr(s)
PbO2 + KI + H2SO4 = I2 + K2SO4 + PbSO4 + H2O =>
PbO2 + 2 KI + 2 H2SO4 = I2 + K2SO4 + PbSO4 + 2 H2O
C6H5NO2 + Zn + HCl = C6H8NCl + ZnCl2 + H2O =>
C6H5NO2 + 3 Zn + 7 HCl = C6H8NCl + 3 ZnCl2 + 2 H2O
NaHS + HgO = HgS + NaOH =>
NaHS + HgO = HgS + NaOH
KCNS + Fe + HCl = FeCl3 + NH4Cl + H2S + C + KCl =>
3 KCNS + 4 Fe + 18 HCl = 4 FeCl3 + 3 NH4Cl + 3 H2S + 3 C + 3 KCl
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Na2S + Na2SO3 + HCl = S + NaCl + H2O =>
2 Na2S + Na2SO3 + 6 HCl = 3 S + 6 NaCl + 3 H2O
CH2OHCHOHCH2OH + HNO3 = H2O + CH2ONO2CHONO2CH2ONO2 =>
CH2OHCHOHCH2OH + 3 HNO3 = 3 H2O + CH2ONO2CHONO2CH2ONO2
Cu + HNO3 = CuH2O6 + NO + H2O =>
3 Cu + 10 HNO3 = 3 CuH2O6 + 10 NO + 2 H2O
Sn + KI = K + SnI4 =>
Sn + 4 KI = 4 K + SnI4
Na2Cr2O7 + H2SO4 + C6H12O6 = Cr(OH)SO4 + Na2SO4 + H2O + CO2 =>
4 Na2Cr2O7 + 12 H2SO4 + C6H12O6 = 8 Cr(OH)SO4 + 4 Na2SO4 + 14 H2O + 6 CO2
Mn(OH)4 + H2SO4 = H2O + Mn2(SO4)4 =>
2 Mn(OH)4 + 4 H2SO4 = 8 H2O + Mn2(SO4)4
H2O2 + H2O = H(OH)2 =>
H2O2 + 2 H2O = 2 H(OH)2
Ni3O4 + HClO4 = Ni(ClO4)2 + Ni(ClO4)3 + H2O =>
Ni3O4 + 8 HClO4 = Ni(ClO4)2 + 2 Ni(ClO4)3 + 4 H2O
P3(BO3)4 + NBr2 = PBr4 + N3(BO3)2 =>
P3(BO3)4 + 6 NBr2 = 3 PBr4 + 2 N3(BO3)2
S + KOH(aq) = K2S + H2O + O =>
S + 2 KOH(aq) = K2S + H2O + O
Mg + AuCl3 = MgAuCl3 =>
Mg + AuCl3 = MgAuCl3
Zn + P2O5 = ZnO + P =>
5 Zn + P2O5 = 5 ZnO + 2 P
BaCl2(ag) + Al2(SO4)3(aq) = BaSO4(s) + AlCl3(ag) =>
3 BaCl2(ag) + Al2(SO4)3(aq) = 3 BaSO4(s) + 2 AlCl3(ag)
Cu*CO3*Cu(OH)2 = CuO + H2O + CO2 =>
Cu*CO3*Cu(OH)2 = 2 CuO + H2O + CO2
HBr + AgNO3 = HNO3 + Ag + Br2 =>
2 HBr + 2 AgNO3 = 2 HNO3 + 2 Ag + Br2
KNO3 + Fe(OH)2 = Fe(NO3)2 + KOH =>
2 KNO3 + Fe(OH)2 = Fe(NO3)2 + 2 KOH
Ba(ClO4)2(aq) + Na2SO4(aq) = NaClO4 + (aq)BaSO4(s) =>
Ba(ClO4)2(aq) + Na2SO4(aq) = 2 NaClO4 + (aq)BaSO4(s)
Cl2 + e = Cl{-} =>
Cl2 + 2e = 2 Cl{-}
C3H6(OH)2 + H2O = C2H6O + CH2O2 =>
4 C3H6(OH)2 + H2O = 5 C2H6O + 2 CH2O2
C + Na2Cr2O7 = Cr2O3 + Na2O + CO =>
3 C + Na2Cr2O7 = Cr2O3 + Na2O + 3 CO
Mg3N2 + HCl = MgCl2 + H3N =>
Mg3N2 + 6 HCl = 3 MgCl2 + 2 H3N
Mg(SO4) + Na(CO3)2 = Mg(CO3) + Na(SO4)2 =>
2 Mg(SO4) + Na(CO3)2 = 2 Mg(CO3) + Na(SO4)2
Cu2(NO3)4*5H2O + Co(C5H7O2)3 + C4H6O3 = Co(C5H6NO4)3 + Cu + C2H3O2 + H2O =>
3 Cu2(NO3)4*5H2O + 4 Co(C5H7O2)3 + 6 C4H6O3 = 4 Co(C5H6NO4)3 + 6 Cu + 12 C2H3O2 + 21 H2O
Ba3P2 = Ba + P2 =>
Ba3P2 = 3 Ba + P2
N2O4 + HMnO4 + H2O = NHO3 + Mn(NO3)2 =>
5 N2O4 + 2 HMnO4 + 2 H2O = 6 NHO3 + 2 Mn(NO3)2
K2CrO4 + NaC2H3 = Na2CrO4 + KC2H3 =>
K2CrO4 + 2 NaC2H3 = Na2CrO4 + 2 KC2H3
Fe(OH)3 + H3PO4 = FePO4 + H2O(l) =>
Fe(OH)3 + H3PO4 = FePO4 + 3 H2O(l)
Mg(OH)2 + CO = H2O + C + MgCO3 =>
Mg(OH)2 + 2 CO = H2O + C + MgCO3
KSCN + FeCl = KSCl + FeCN =>
KSCN + FeCl = KSCl + FeCN
Ni(HSO4)2 + Cd = Cd(HSO4)2 + Ni =>
Ni(HSO4)2 + Cd = Cd(HSO4)2 + Ni
Na2S(ac) + Pb(C2H3O2)2(ac) = PbS + NaC2H3O2 =>
Na2S(ac) + Pb(C2H3O2)2(ac) = PbS + 2 NaC2H3O2
(NH4)2CrO4 + (NH4)3Po4 = (NH4)2Po4 + (NH4)3CrO4 =>
(NH4)2CrO4 + (NH4)3Po4 = (NH4)2Po4 + (NH4)3CrO4
NH4NO3 + LiCl = LiNO3 + NH4Cl =>
NH4NO3 + LiCl = LiNO3 + NH4Cl
C7H10O7 + O2 = CO2 + H2O =>
C7H10O7 + 6 O2 = 7 CO2 + 5 H2O
Na(OH)(aq) + CaBr2(s) = Ca(OH)2(s) + NaBr(aq) =>
2 Na(OH)(aq) + CaBr2(s) = Ca(OH)2(s) + 2 NaBr(aq)
N2H4(l) + N2O4(g) = N(g) + H2O(g) =>
2 N2H4(l) + N2O4(g) = 6 N(g) + 4 H2O(g)
H2S + Ba(OH)2 = Ba2S2 + H2O =>
2 H2S + 2 Ba(OH)2 = Ba2S2 + 4 H2O
NaSO4 + KI = NaI2 + K2SO4 =>
NaSO4 + 2 KI = NaI2 + K2SO4
FeS + H3P = H2S + Fe3P2 =>
3 FeS + 2 H3P = 3 H2S + Fe3P2
Ca + KOH = Ca(KOH)2 =>
Ca + 2 KOH = Ca(KOH)2
C54H108 + O2 = CO2 + H2O =>
C54H108 + 81 O2 = 54 CO2 + 54 H2O
Ca(s) + H2O = Ca(OH) + H2 =>
2 Ca(s) + 2 H2O = 2 Ca(OH) + H2
FeCl3(s) + Pb(NO3)2(aq) = Fe(NO3)3(aq) + PbCl2(s) =>
2 FeCl3(s) + 3 Pb(NO3)2(aq) = 2 Fe(NO3)3(aq) + 3 PbCl2(s)
KCNS + Fe(NO3)3 = KNO3 + K3[Fe(CNS)6] =>
6 KCNS + Fe(NO3)3 = 3 KNO3 + K3[Fe(CNS)6]
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Équations équilibrées sur01/08/25
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