| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 SmCl3 = 2 Sm + 3 Cl2
PbCO3(s) + H2SO4(aq) = PbSO4(s) + H2CO3(aq) =>
PbCO3(s) + H2SO4(aq) = PbSO4(s) + H2CO3(aq)
C3H6O3 + NaOH = NaC3H5O3 + H2O =>
C3H6O3 + NaOH = NaC3H5O3 + H2O
Ba + H2O = Ba(HO)2 + H2 =>
Ba + 2 H2O = Ba(HO)2 + H2
KMnO4 + HNO + H2SO4 = K2SO4 + MnSO4 + HNO3 + H2O =>
4 KMnO4 + 5 HNO + 6 H2SO4 = 2 K2SO4 + 4 MnSO4 + 5 HNO3 + 6 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
C2H5OH(l) + O2(g) = CO2(g) + H2O(v) =>
C2H5OH(l) + 3 O2(g) = 2 CO2(g) + 3 H2O(v)
K4[Fe(CN)6] = KCN + FeC2 + N2 =>
K4[Fe(CN)6] = 4 KCN + FeC2 + N2
SOCl2 + NaOH = Na2SO3 + HCl =>
SOCl2 + 2 NaOH = Na2SO3 + 2 HCl
AgCl + H2SO4 = Ag2SO4 + SO2 + H2O + Cl =>
2 AgCl + 2 H2SO4 = Ag2SO4 + SO2 + 2 H2O + 2 Cl
NaOH(s) + Cu(II)Cl(aq) = Cu(II)OH + NaCl =>
NaOH(s) + Cu(II)Cl(aq) = Cu(II)OH + NaCl
LiH + CH3OH = CH4 + H2O + Li =>
2 LiH + CH3OH = CH4 + H2O + 2 Li
CH3NH3Cl + Ca(OH)2 = CH3NH2 + CaCl2 + H2O =>
2 CH3NH3Cl + Ca(OH)2 = 2 CH3NH2 + CaCl2 + 2 H2O
Cu + HNO3 = Cu(NO3)2 + H2O + NO2 =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 H2O + 2 NO2
iron + copper(II)chloride = iron(II)chloride + copper =>
Fe + CuCl2 = FeCl2 + Cu
K2Cr2O7 + KI + HCl = CrCl3 + I2 + KCl + H2O =>
K2Cr2O7 + 6 KI + 14 HCl = 2 CrCl3 + 3 I2 + 8 KCl + 7 H2O
AgCl + H2SO4 = Ag2SO4 + SO2 + H2O + Cl =>
2 AgCl + 2 H2SO4 = Ag2SO4 + SO2 + 2 H2O + 2 Cl
C6H5CHCH2 + K2Cr2O7 + H2O = C6H5COOH + Cr(OH)3 + KOH =>
21 C6H5CHCH2 + 20 K2Cr2O7 + 68 H2O = 24 C6H5COOH + 40 Cr(OH)3 + 40 KOH
C2H3N + O2 = CO2 + H2O + N2 =>
4 C2H3N + 11 O2 = 8 CO2 + 6 H2O + 2 N2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
P3 + O2 = P3O2 =>
P3 + O2 = P3O2
C2O4H2 + H2O = C2H2OH2 + O2 =>
C2O4H2 + H2O = C2H2OH2 + 2 O2
Ba(OH2) + Pb(ClO3) = Pb(OH2) + Ba(ClO3) =>
Ba(OH2) + Pb(ClO3) = Pb(OH2) + Ba(ClO3)
Pb(NO3)2 + H2SO4 = PbSO4 + H2(NO3)2 =>
Pb(NO3)2 + H2SO4 = PbSO4 + H2(NO3)2
Rb3PO4 + H2O = Rb(OH) + H3PO4 =>
Rb3PO4 + 3 H2O = 3 Rb(OH) + H3PO4
AgCl + H2SO4 = Ag2SO4 + SO2 + H2O + Cl =>
2 AgCl + 2 H2SO4 = Ag2SO4 + SO2 + 2 H2O + 2 Cl
FeCO3(s) + H2SO4(aq) = FeSO4(aq) + CO2(g) + H2O(l) =>
FeCO3(s) + H2SO4(aq) = FeSO4(aq) + CO2(g) + H2O(l)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CuCO3 + H2SO4 = CuSO4 + H2CO3 = CuSO4 + H2O + CO2 =>
CuCO3 + H2SO4 = CuSO4 + H2CO3
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
C2H5Cl + O2 = Cl2 + CO2 + H2O =>
4 C2H5Cl + 13 O2 = 2 Cl2 + 8 CO2 + 10 H2O
Na2S2O8 + Na2S2O3 = Na2SO4 + Na2S4O6 =>
Na2S2O8 + 2 Na2S2O3 = 2 Na2SO4 + Na2S4O6
Mg(s) + Na2(g) = Mg3Na2(s) =>
3 Mg(s) + Na2(g) = Mg3Na2(s)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
iron + copper(II)chloride = iron(II)chloride + copper =>
Fe + CuCl2 = FeCl2 + Cu
Zn(OH)2 + Na2SO4 = NaOH + ZnSO4 =>
Zn(OH)2 + Na2SO4 = 2 NaOH + ZnSO4
NH4C2H3O2 + RbNO3 = RbC2H3O2 + NH4NO3 =>
NH4C2H3O2 + RbNO3 = RbC2H3O2 + NH4NO3
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
K2S2O8 + KCN + NaOH = KOCN + Na2SO4 + K2SO4 + H2O =>
K2S2O8 + KCN + 2 NaOH = KOCN + Na2SO4 + K2SO4 + H2O
V(OH)4 + HCl = HClO3 + VO + H2O =>
3 V(OH)4 + HCl = HClO3 + 3 VO + 6 H2O
NH4NO3 + HNO3 = HNH4 + NO3 =>
NH4NO3 + HNO3 = HNH4 + 2 NO3
C5H12 + O2 = C + OH =>
C5H12 + 6 O2 = 5 C + 12 OH
Cr2S3 + NaOH = Cr(OH)3 + Na2S =>
Cr2S3 + 6 NaOH = 2 Cr(OH)3 + 3 Na2S
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Ag(NO3) + Na2(CrO4) = Ag(CrO4) + Na2(NO3) =>
Ag(NO3) + Na2(CrO4) = Ag(CrO4) + Na2(NO3)
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
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Équations équilibrées sur12/22/24
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