| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Zn + N2 = 2 ZnN
NaClO3 + Cl2 = NaCl + Cl2O7 =>
7 NaClO3 + 3 Cl2 = 7 NaCl + 3 Cl2O7
C5H9NO + O2 = CO2 + H2O + HNO3 =>
C5H9NO + 8 O2 = 5 CO2 + 4 H2O + HNO3
Ba(OH)2 + Fe2(SO4)3 = Fe(OH)3 + BaSO4 =>
3 Ba(OH)2 + Fe2(SO4)3 = 2 Fe(OH)3 + 3 BaSO4
I{-} + Cr2O7{-}2 + H{+} = Cr3{+} + I2 + H2O =>
74 I{-} + 6 Cr2O7{-}2 + 84 H{+} = 4 Cr3{+} + 37 I2 + 42 H2O
Hg + HNO3 = H2O + NO + Hg(NO3)2 =>
3 Hg + 8 HNO3 = 4 H2O + 2 NO + 3 Hg(NO3)2
Zn(s) + Pb(NO3)2(ac) = Pb(ac) + Zn(NO3)2(ac) =>
Zn(s) + Pb(NO3)2(ac) = Pb(ac) + Zn(NO3)2(ac)
Al + KNO3 = AlKNO3 =>
Al + KNO3 = AlKNO3
C6H12O2 + NaOH = C2H4O2 + C4H10O + Na =>
5 C6H12O2 + 8 NaOH = 7 C2H4O2 + 4 C4H10O + 8 Na
FeS(s) + O2(g) = Fe(s) + SO3(g) =>
2 FeS(s) + 3 O2(g) = 2 Fe(s) + 2 SO3(g)
CrO4{2-} + S2O4{2-} + H2O + OH{-} = Cr(OH)3 + SO3{2-} =>
2 CrO4{2-} + 3 S2O4{2-} + 2 H2O + 2 OH{-} = 2 Cr(OH)3 + 6 SO3{2-}
Ba + KSCN = Ba(KSCN)2 =>
Ba + 2 KSCN = Ba(KSCN)2
C7H8 + NO3 = CO2 + H2O + N2 =>
C7H8 + 6 NO3 = 7 CO2 + 4 H2O + 3 N2
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
CH4 + Cl2 = C2038H2580Cl1800 + HCl =>
2038 CH4 + 3686 Cl2 = C2038H2580Cl1800 + 5572 HCl
Ba(OH)2 + HCl = BaCl2 + H2(OH)2 =>
Ba(OH)2 + 2 HCl = BaCl2 + H2(OH)2
(NaHCO3) + (CH3COOH) = (NaCH3COO) + CO2 + H2O =>
(NaHCO3) + (CH3COOH) = (NaCH3COO) + CO2 + H2O
CaO + NO2 = Ca(NO3)2 + Ca(NO2)2 =>
2 CaO + 4 NO2 = Ca(NO3)2 + Ca(NO2)2
H2O2 + I = HI + O2 =>
H2O2 + 2 I = 2 HI + O2
AlH3O3 + H3PO4 = AlPO4 + H2O =>
AlH3O3 + H3PO4 = AlPO4 + 3 H2O
Pb(NO3)2 + Na2CrO7 = PbCrO7 + Na2(NO3)2 =>
Pb(NO3)2 + Na2CrO7 = PbCrO7 + Na2(NO3)2
Cu + KClO3 = Cu(ClO3)2 + K =>
Cu + 2 KClO3 = Cu(ClO3)2 + 2 K
NaCH3CO2 + BaCl2 = Ba(CH3CO2)2 + NaCl =>
2 NaCH3CO2 + BaCl2 = Ba(CH3CO2)2 + 2 NaCl
Ca + Au(ClO4)3 = Au + Ca(ClO4)2 =>
3 Ca + 2 Au(ClO4)3 = 2 Au + 3 Ca(ClO4)2
K2O + CuCl2 = CuO + KCl =>
K2O + CuCl2 = CuO + 2 KCl
C8H5KO4 + NaOH = NaK(C8H4O4) + H2O =>
C8H5KO4 + NaOH = NaK(C8H4O4) + H2O
Fe2O3 + H2O = Fe(OH)4 + H2 =>
Fe2O3 + 5 H2O = 2 Fe(OH)4 + H2
HgO + Sb + O = Hg2Sb2O7 =>
2 HgO + 2 Sb + 5 O = Hg2Sb2O7
PH3 + HClO3 = H3PO4 + HCl =>
3 PH3 + 4 HClO3 = 3 H3PO4 + 4 HCl
NaCl + Li2SO4 = NaLi2ClSO4 =>
NaCl + Li2SO4 = NaLi2ClSO4
Ca + H2SO4 = SO2 + CaSO4 + H2O =>
Ca + 2 H2SO4 = SO2 + CaSO4 + 2 H2O
CH4 + LiOH = LiCH3 + H2O =>
CH4 + LiOH = LiCH3 + H2O
Na2S + Zn2SO4 = Zn2S + Na2SO4 =>
Na2S + Zn2SO4 = Zn2S + Na2SO4
Co{2+} + ClO4{-} + H{+} = Co{3+} + ClO2 + H2O =>
3 Co{2+} + ClO4{-} + 4 H{+} = 3 Co{3+} + ClO2 + 2 H2O
Mg3 + S = MgS =>
Mg3 + 3 S = 3 MgS
NH4Cl + MgCO3 + Na3PO4 = MgCl + (NH4)3PO4 + NaCO3 =>
3 NH4Cl + 3 MgCO3 + Na3PO4 = 3 MgCl + (NH4)3PO4 + 3 NaCO3
H2C2O4 + BO(OH)2 = BOOH(s) + H2O(l) + CO2(g) =>
H2C2O4 + 2 BO(OH)2 = 2 BOOH(s) + 2 H2O(l) + 2 CO2(g)
CrCl2 + NH4(OH) = Cr(OH)2 + NH4Cl =>
CrCl2 + 2 NH4(OH) = Cr(OH)2 + 2 NH4Cl
Cu(s) + Cl2(l) = CuCl2(aq) =>
Cu(s) + Cl2(l) = CuCl2(aq)
NO3{-} + Fe{2+} + H3O{+} = Fe{3+} + NO + H2O =>
NO3{-} + 3 Fe{2+} + 4 H3O{+} = 3 Fe{3+} + NO + 6 H2O
K2Cr2O7 = K + Cr2O7 =>
K2Cr2O7 = 2 K + Cr2O7
Cr2O3 + NO3{-} + (CO3){-2} = (CrO4){-2} + NO2{-} + CO2 =>
Cr2O3 + 3 NO3{-} + 2(CO3){-2} = 2(CrO4){-2} + 3 NO2{-} + 2 CO2
NaHCO3 + CHC3OOH = NaCHC3OO + H2O + CO2 =>
NaHCO3 + CHC3OOH = NaCHC3OO + H2O + CO2
CuCl2(l) + Zn(s) = ZnCl2(s) + Cu(l) =>
CuCl2(l) + Zn(s) = ZnCl2(s) + Cu(l)
HCNO + NO = N2 + CO2 + H2O =>
4 HCNO + 6 NO = 5 N2 + 4 CO2 + 2 H2O
NaClO + NaI + H2SO4 = I + NaCl + Na2SO4 + H2O =>
NaClO + 2 NaI + H2SO4 = 2 I + NaCl + Na2SO4 + H2O
Pb(OH)2 + KI = PbI2 + K(OH) =>
Pb(OH)2 + 2 KI = PbI2 + 2 K(OH)
Fe + C13 = FeC13 =>
Fe + C13 = FeC13
Na2HPO4 + NaCl = NaHPO4 + Na2Cl =>
Na2HPO4 + NaCl = NaHPO4 + Na2Cl
Zn + Sn(SO4) = Sn + Zn(SO4) =>
Zn + Sn(SO4) = Sn + Zn(SO4)
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/20/25
Équations équilibrées sur03/22/24
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