| Équations équilibrées la veille |
2 Re + 7 CO2 = Re2O7 + 7 CO
K2CrO4 + ZnCl2 = K2Cl2 + ZnCrO4 =>
K2CrO4 + ZnCl2 = K2Cl2 + ZnCrO4
(C2H5O)3PO + O2 = P2O5 + CO2 + H2O =>
2(C2H5O)3PO + 18 O2 = P2O5 + 12 CO2 + 15 H2O
Fe2(CO3)3 + Ca(OH)2 = Fe(OH)3 + CaCO3 =>
Fe2(CO3)3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 CaCO3
BaSO4 + AgNO3 = Ag2SO4 + Ba(NO3)2 =>
BaSO4 + 2 AgNO3 = Ag2SO4 + Ba(NO3)2
Cu(NH3)4 + NH4OH = Cu(OH)2 + H2 + N2 =>
Cu(NH3)4 + 2 NH4OH = Cu(OH)2 + 10 H2 + 3 N2
AgCl(s) + NO(g) + H2O(l) = Ag(s) + Cl{-}(aq) + NO3{-}(aq) + H{+} =>
3 AgCl(s) + NO(g) + 2 H2O(l) = 3 Ag(s) + 3 Cl{-}(aq) + NO3{-}(aq) + 4 H{+}
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C13H30OH + O2 = CO2 + H2O =>
4 C13H30OH + 81 O2 = 52 CO2 + 62 H2O
CoCl2 + Na2HPO4 = Co3(PO4)2 + HCl + NaCl =>
3 CoCl2 + 2 Na2HPO4 = Co3(PO4)2 + 2 HCl + 4 NaCl
Cd2 + Au(NO3)3 = Cd(NO3)2 + Au =>
3 Cd2 + 4 Au(NO3)3 = 6 Cd(NO3)2 + 4 Au
N2O5 + KOH = N(OH)5 + K2O =>
N2O5 + 10 KOH = 2 N(OH)5 + 5 K2O
P + Cl2 = PCl5 =>
2 P + 5 Cl2 = 2 PCl5
Br2O + OH = BrO3 + H2O =>
Br2O + 10 OH = 2 BrO3 + 5 H2O
Ag3N = Ag + N2 =>
2 Ag3N = 6 Ag + N2
NaCl + Pb2NO3 = NaNO3 + Pb2Cl =>
NaCl + Pb2NO3 = NaNO3 + Pb2Cl
Al + Ba(NO3) = Al2O3 + BaO + N2 =>
8 Al + 6 Ba(NO3) = 4 Al2O3 + 6 BaO + 3 N2
Pb(NO3)2 + NaOH + NaOCl = NaNO3 + NaCl + PbO2 + H2O =>
Pb(NO3)2 + 2 NaOH + NaOCl = 2 NaNO3 + NaCl + PbO2 + H2O
KBr + MnO2 + H2SO4 = K2SO4 + MnSO4 + H2O + Br2 =>
2 KBr + MnO2 + 2 H2SO4 = K2SO4 + MnSO4 + 2 H2O + Br2
P + O4 = PO4 =>
P + O4 = PO4
C31H64 = C11H24 + C10H20 =>
C31H64 = C11H24 + 2 C10H20
Ag3N = Ag + N2 =>
2 Ag3N = 6 Ag + N2
H3PO4 + (NH4)2MoO4 + HNO3 = (NH4)3(PO4)*12MoO3 + NH4NO3 + H2O =>
H3PO4 + 12(NH4)2MoO4 + 21 HNO3 = (NH4)3(PO4)*12MoO3 + 21 NH4NO3 + 12 H2O
NH3 + FeCl3 = Cl + FeNH3 =>
NH3 + FeCl3 = 3 Cl + FeNH3
CaCO3 + CH3COOH = Ca + CO2 + H2O =>
4 CaCO3 + CH3COOH = 4 Ca + 6 CO2 + 2 H2O
Mg + Cu3N2 = Mg3N2 + Cu =>
3 Mg + Cu3N2 = Mg3N2 + 3 Cu
CaCO3 = CaO + C(O)2 =>
CaCO3 = CaO + C(O)2
NaHCO3 + HI = HCO3 + NaHI =>
NaHCO3 + HI = HCO3 + NaHI
Mg + Al2O3 = Al + MgO =>
3 Mg + Al2O3 = 2 Al + 3 MgO
Rb2S + NaOH = RbOH + Na2S =>
Rb2S + 2 NaOH = 2 RbOH + Na2S
HgS + HCl = HS + HgCl =>
HgS + HCl = HS + HgCl
Pb + P = Pb3P2 =>
3 Pb + 2 P = Pb3P2
Be(OH)2 + Na2 + O2 = Na2BeO2 + H2O =>
2 Be(OH)2 + 2 Na2 + O2 = 2 Na2BeO2 + 2 H2O
Po + Al + NaOH = Na2Po + Al(OH)3 =>
3 Po + 2 Al + 6 NaOH = 3 Na2Po + 2 Al(OH)3
Pb(aq) + Cl(aq) = PbCl(s) =>
Pb(aq) + Cl(aq) = PbCl(s)
AlCl3 + NaHCO3 = HCl + Al2(CO3)3 + Na2CO3 =>
2 AlCl3 + 6 NaHCO3 = 6 HCl + Al2(CO3)3 + 3 Na2CO3
Ag2S(s) + KCN(aq) + O2(g) + H2O(ell) = KAg(CN)2(aq) + S(s) + KOH(aq) =>
2 Ag2S(s) + 8 KCN(aq) + O2(g) + 2 H2O(ell) = 4 KAg(CN)2(aq) + 2 S(s) + 4 KOH(aq)
FeS + HCl = Fe(HCl)2 + S =>
FeS + 2 HCl = Fe(HCl)2 + S
Ca(OH)2 + CO2 = CaOH + HCO3 =>
Ca(OH)2 + CO2 = CaOH + HCO3
MgCl2*6H2O = Mg(OH)2 + HCl + H2O =>
MgCl2*6H2O = Mg(OH)2 + 2 HCl + 4 H2O
K2CrO4 + Hg + H2SO4 = Cr2(SO4)3 + K2SO4 + HgSO4 + H2O =>
2 K2CrO4 + 3 Hg + 8 H2SO4 = Cr2(SO4)3 + 2 K2SO4 + 3 HgSO4 + 8 H2O
Mg + H2(PO4)2 = Mg2(PO4)2 + H2 =>
2 Mg + H2(PO4)2 = Mg2(PO4)2 + H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2O2 + FeCl3 = FeCl2 + HCl + O2 =>
H2O2 + 2 FeCl3 = 2 FeCl2 + 2 HCl + O2
CuSO4*5H2O = CuSO4 + H2O =>
CuSO4*5H2O = CuSO4 + 5 H2O
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
K3 + Cl2 = K3Cl2 =>
K3 + Cl2 = K3Cl2
Pb + Ar2 = PbAr2 =>
Pb + Ar2 = PbAr2
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