| Équations équilibrées la veille | Équations équilibrées le lendemain |
2(R3NH)2SO4 + UO2(SO4)3 = (R3NH)4UO2(SO4)3 + 2(SO4)
Zn(No3)2(aq) + K4Fe(CN)6(aq) = Zn2Fe(CN)6(aq) + KNo3(aq) =>
2 Zn(No3)2(aq) + K4Fe(CN)6(aq) = Zn2Fe(CN)6(aq) + 4 KNo3(aq)
Sn + (MgNO3)4 = Mg + (SnNO3) =>
4 Sn + (MgNO3)4 = 4 Mg + 4(SnNO3)
Na2S + HNO3 = Na2NO3 + SH =>
Na2S + HNO3 = Na2NO3 + SH
Al2O3(s) + HCl(ac) = AlCl3(ac) + H2O(l) =>
Al2O3(s) + 6 HCl(ac) = 2 AlCl3(ac) + 3 H2O(l)
SnCl4 + H2O = HCl + Sn5O5Cl2(OH)8 =>
5 SnCl4 + 13 H2O = 18 HCl + Sn5O5Cl2(OH)8
AgNO3(aq) + Na2CO3(aq) = Ag2CO3(s) + NaNO3(s) =>
2 AgNO3(aq) + Na2CO3(aq) = Ag2CO3(s) + 2 NaNO3(s)
NaOH + F = NaF + O2 + H2O =>
4 NaOH + 4 F = 4 NaF + O2 + 2 H2O
CaC2(s) + H2O(i) = C2H2(g) + Ca(OH)2(aq) =>
CaC2(s) + 2 H2O(i) = C2H2(g) + Ca(OH)2(aq)
NH4ReO4 = ReO2 + N2 + H2O =>
2 NH4ReO4 = 2 ReO2 + N2 + 4 H2O
C11H15O3N + O2 = CO2 + H2O + NO3 =>
4 C11H15O3N + 59 O2 = 44 CO2 + 30 H2O + 4 NO3
Pb3O4 + CO = CO2 + PbO =>
Pb3O4 + CO = CO2 + 3 PbO
Ag(NH3)2OH + C6H10 = C6H9Ag + NH3 + H2O =>
Ag(NH3)2OH + C6H10 = C6H9Ag + 2 NH3 + H2O
NiO2 + Cd + H2O = Ni(OH) + Cd(OH)2 =>
2 NiO2 + 3 Cd + 4 H2O = 2 Ni(OH) + 3 Cd(OH)2
NaCl(aq) + AgC2H3O2(aq) = NaC2H3O2(aq) + AgCl(s) =>
NaCl(aq) + AgC2H3O2(aq) = NaC2H3O2(aq) + AgCl(s)
C5H10 + Br2 = C2H4Br =>
4 C5H10 + 5 Br2 = 10 C2H4Br
Cu3(PO4)2 + Zn(NO3)2 = Zn3(PO4)2 + Cu(NO3)2 =>
Cu3(PO4)2 + 3 Zn(NO3)2 = Zn3(PO4)2 + 3 Cu(NO3)2
C4H10O2 + NaOH = C4H9O2Na + H2O =>
C4H10O2 + NaOH = C4H9O2Na + H2O
Ar + Kr = ArKr =>
Ar + Kr = ArKr
NaOH + CH3OOH = Na{+} + H2O + CH3OO{-} =>
NaOH + CH3OOH = Na{+} + H2O + CH3OO{-}
Fe(s) + AgNO3 = Fe(NO3)2 + Ag(s) =>
Fe(s) + 2 AgNO3 = Fe(NO3)2 + 2 Ag(s)
CaBr2 + (NH4)2SO4 = CaSO4 + NH4Br =>
CaBr2 + (NH4)2SO4 = CaSO4 + 2 NH4Br
H3PO4(aq) + NaOH(aq) = Na2HPO4(aq) + H2O(l) =>
H3PO4(aq) + 2 NaOH(aq) = Na2HPO4(aq) + 2 H2O(l)
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
Pb(ClO3)2 + Ca(OH)2 = Pb(OH)2 + Ca(ClO3)2 =>
Pb(ClO3)2 + Ca(OH)2 = Pb(OH)2 + Ca(ClO3)2
C6H6N2O2 + C7H6O = C13H10N2O2 + H2O =>
C6H6N2O2 + C7H6O = C13H10N2O2 + H2O
Na2C204 + KMnO4 + HCl = CO2 + MnCl2 + KCl + NaCl + H2O =>
5 Na2C204 + 818 KMnO4 + 2464 HCl = 1020 CO2 + 818 MnCl2 + 818 KCl + 10 NaCl + 1232 H2O
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
C2H3Cl + CuO = Cu + CuCl + CO2 + H2O =>
2 C2H3Cl + 11 CuO = 9 Cu + 2 CuCl + 4 CO2 + 3 H2O
SiO2(s) + HF(aq) = SiF4(g) + H2O(l) =>
SiO2(s) + 4 HF(aq) = SiF4(g) + 2 H2O(l)
(NH4)2CO3 + Ba + OH = H2O + NH3 + BaCO3 =>
(NH4)2CO3 + Ba + 2 OH = 2 H2O + 2 NH3 + BaCO3
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
CrSO4 + NaOH = Cr(OH)2 + Na2SO4 =>
CrSO4 + 2 NaOH = Cr(OH)2 + Na2SO4
Mg + H3AsO3 + H2SO4 = MgSO4 + AsH3 + H2O =>
3 Mg + H3AsO3 + 3 H2SO4 = 3 MgSO4 + AsH3 + 3 H2O
Mn2O3 + H = Mn + H2O =>
Mn2O3 + 6 H = 2 Mn + 3 H2O
HNO3 + PbS = Pb(NO3)2 + S8 + NO + H2O =>
64 HNO3 + 24 PbS = 24 Pb(NO3)2 + 3 S8 + 16 NO + 32 H2O
CaCl2 + NH4OH = Ca + OH + NH4Cl =>
CaCl2 + 2 NH4OH = Ca + 2 OH + 2 NH4Cl
VCl + Na + CO = V(CO)5 + NaCl =>
VCl + Na + 5 CO = V(CO)5 + NaCl
NaCr2 + Br + NaOH = NaBr + Na2CrO4 + H2O =>
NaCr2 + 13 Br + 16 NaOH = 13 NaBr + 2 Na2CrO4 + 8 H2O
NaOH + CuI + I2 = Cu(OH)2 + NaI =>
4 NaOH + 2 CuI + I2 = 2 Cu(OH)2 + 4 NaI
(Co(NH3)5(H2O))Cl3 + NaNO2 = (Co(NH3)5(ONO))Cl2 + NaCl + H2O =>
(Co(NH3)5(H2O))Cl3 + NaNO2 = (Co(NH3)5(ONO))Cl2 + NaCl + H2O
BaCl2 + Na2SO3 = Ba2SO3 + NaCl2 =>
2 BaCl2 + Na2SO3 = Ba2SO3 + 2 NaCl2
Sn + HBr5 = SnBr2 + H2 =>
5 Sn + 2 HBr5 = 5 SnBr2 + H2
CH3COCl + C2H5COONa = C5H8O3 + NaCl =>
CH3COCl + C2H5COONa = C5H8O3 + NaCl
KNO2 + H2SO4 = K2SO4 + HNO2 =>
2 KNO2 + H2SO4 = K2SO4 + 2 HNO2
CO + H2 = CH + O =>
2 CO + H2 = 2 CH + 2 O
PbSO3 + H2O2 = PbSO42 + H2O =>
PbSO3 + 39 H2O2 = PbSO42 + 39 H2O
CuOH2 + TiO2 = Cu4TiO2 + H2O =>
4 CuOH2 + TiO2 = Cu4TiO2 + 4 H2O
ZnBr2 + H2O = Zn(OH)2 + H + Br =>
ZnBr2 + 2 H2O = Zn(OH)2 + 2 H + 2 Br
C12H22O11 + KClO3 = H2O + C2O + KCl =>
C12H22O11 + 2 KClO3 = 11 H2O + 6 C2O + 2 KCl
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