| Équations équilibrées la veille |
NaOH + NiCl2 = Na + 2 Cl + NiOH
Ba(NO3)2 + K2SO4 = BaSO4 + KNO3 =>
Ba(NO3)2 + K2SO4 = BaSO4 + 2 KNO3
Na2S(aq) + Pb(CH3COO)2(aq) = NaCH3COO(aq) + PbS(s) =>
Na2S(aq) + Pb(CH3COO)2(aq) = 2 NaCH3COO(aq) + PbS(s)
HgO(c) = Hg(i) + O2(g) =>
2 HgO(c) = 2 Hg(i) + O2(g)
Fe(SCN)3 + Na2S2O3 = Na2S4O6 + Fe(SCN)2 + NaSCN =>
2 Fe(SCN)3 + 2 Na2S2O3 = Na2S4O6 + 2 Fe(SCN)2 + 2 NaSCN
CH3(CHCl)CH2ClH2O = CH3(CHOH)CH2ClHCl =>
CH3(CHCl)CH2ClH2O = CH3(CHOH)CH2ClHCl
CuCl2 + Br2 = BrCu + Cl =>
2 CuCl2 + Br2 = 2 BrCu + 4 Cl
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Cu2O + H2SO4 = CuSO4 + Cu + H2O =>
Cu2O + H2SO4 = CuSO4 + Cu + H2O
PbPd(NO3)2 = Pb(NO3)2Pd =>
PbPd(NO3)2 = Pb(NO3)2Pd
CU(OH)2 = CUOH2O =>
CU(OH)2 = CUOH2O
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
K2Cr2O7 + FeSO4 + H2SO4 = Fe2(SO4)3 + H2O + Cr2(SO4)3 + K2SO4 =>
K2Cr2O7 + 6 FeSO4 + 7 H2SO4 = 3 Fe2(SO4)3 + 7 H2O + Cr2(SO4)3 + K2SO4
Al(s) + O2(g) = Al2O3(s) =>
4 Al(s) + 3 O2(g) = 2 Al2O3(s)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
KMnO4 + K2HPO3 + H2O = MnO2 + KOH + K2HPO4 =>
2 KMnO4 + 3 K2HPO3 + H2O = 2 MnO2 + 2 KOH + 3 K2HPO4
Cr2O2 + SO3 = Cr + SO4 =>
Cr2O2 + 2 SO3 = 2 Cr + 2 SO4
Al2(SO4)3 + CuS = Al2S3 + CuSO4 =>
Al2(SO4)3 + 3 CuS = Al2S3 + 3 CuSO4
NaCl + KNO{3} = NaNO{3} + KCl =>
NaCl + KNO{3} = NaNO{3} + KCl
CH3CHO(aq) + H2O(l) = C2H6O2 =>
CH3CHO(aq) + H2O(l) = C2H6O2
KMnO4 + HBr + FeBr2 = MnBr2 + KBr + FeBr3 + H2O =>
KMnO4 + 8 HBr + 5 FeBr2 = MnBr2 + KBr + 5 FeBr3 + 4 H2O
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
MgH2 + Cl = MgCl2 + H2 =>
MgH2 + 2 Cl = MgCl2 + H2
CrO3 + SO2 = Cr2(SO4)3 =>
2 CrO3 + 3 SO2 = Cr2(SO4)3
BaCO3 + LiNO3 = Ba(NO3)2 + Li2CO3 =>
BaCO3 + 2 LiNO3 = Ba(NO3)2 + Li2CO3
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
MnSO4 = MnOSO3 =>
MnSO4 = MnOSO3
Li + HCl = Li2Cl2 + H =>
2 Li + 2 HCl = Li2Cl2 + 2 H
Al(s) + HF(aq) = AlF3(aq) + H2(g) =>
2 Al(s) + 6 HF(aq) = 2 AlF3(aq) + 3 H2(g)
HBrO3 + NO2 + H2O = HNO3 + Br2 =>
2 HBrO3 + 10 NO2 + 4 H2O = 10 HNO3 + Br2
HOCl + Br2 + H = BrCl + H2O =>
2 HOCl + Br2 + 2 H = 2 BrCl + 2 H2O
Ag2O + NaCO3 = Na2O + AgCO3 =>
Ag2O + 2 NaCO3 = Na2O + 2 AgCO3
LiBr(aq) + KNO3(aq) = LiNO3(aq) + KBr(aq) =>
LiBr(aq) + KNO3(aq) = LiNO3(aq) + KBr(aq)
Cl12 + NaOH = NaClO3 + NaCl + H2O =>
Cl12 + 12 NaOH = 2 NaClO3 + 10 NaCl + 6 H2O
Ba(NO3)2 + Na2(SO4) = Ba(SO4) + Na(NO3) =>
Ba(NO3)2 + Na2(SO4) = Ba(SO4) + 2 Na(NO3)
KJ + KJO3 + H2SO4 = J2 + K2SO4 + H2O =>
5 KJ + KJO3 + 3 H2SO4 = 3 J2 + 3 K2SO4 + 3 H2O
HgCl2 + NH3 = Hg(NH2)Cl + NH4Cl =>
HgCl2 + 2 NH3 = Hg(NH2)Cl + NH4Cl
Cr2(SO4)3 + KMnO4 + KOH = MnO2 + K2Cr2O7 + K2SO4 + H2O =>
Cr2(SO4)3 + 2 KMnO4 + 6 KOH = 2 MnO2 + K2Cr2O7 + 3 K2SO4 + 3 H2O
Mg3P2 + Na = MgNa2 + P4 =>
2 Mg3P2 + 12 Na = 6 MgNa2 + P4
N2O + H2O = NH4 + HNO3 =>
9 N2O + 21 H2O = 8 NH4 + 10 HNO3
(Ag3)3AsO4 + Zn + H2SO4 = AsH3 + Ag + ZnSO4 + H2O =>
2(Ag3)3AsO4 + 11 Zn + 11 H2SO4 = 2 AsH3 + 18 Ag + 11 ZnSO4 + 8 H2O
CHCl3 + O = HCl + COCl2 =>
CHCl3 + O = HCl + COCl2
Na + Cl4 = Na2Cl4 =>
2 Na + Cl4 = Na2Cl4
Pb(NO3)2 + Na2(SO4) = Pb(SO4) + Na(NO3) =>
Pb(NO3)2 + Na2(SO4) = Pb(SO4) + 2 Na(NO3)
C3H8O3 + C2H3O2 = C2H6O + CO2 =>
3 C3H8O3 + 6 C2H3O2 = 7 C2H6O + 7 CO2
C6H5COOH + NaHCO3 = C6H5COONa + H2O + CO3 =>
21 C6H5COOH + 22 NaHCO3 = 22 C6H5COONa + 19 H2O + 15 CO3
NH4Cl + K2Cr2O7 + H2SO4 = (NH4)2SO4 + K2SO4 + CrO2Cl2 + H2O =>
4 NH4Cl + K2Cr2O7 + 3 H2SO4 = 2(NH4)2SO4 + K2SO4 + 2 CrO2Cl2 + 3 H2O
Ag(NO3) + Na2(SO4) = Ag2(SO4) + Na(NO3) =>
2 Ag(NO3) + Na2(SO4) = Ag2(SO4) + 2 Na(NO3)
PbCl4 + Br2 = PbBr4 + Cl2 =>
PbCl4 + 2 Br2 = PbBr4 + 2 Cl2
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