| Équations équilibrées la veille | Équations équilibrées le lendemain |
Br + F5 = BrF5
C7H5OCl + H2O2 + NaOH = C14H10O4 + NaCl + H2O =>
2 C7H5OCl + H2O2 + 2 NaOH = C14H10O4 + 2 NaCl + 2 H2O
Na3[Al(C2O4)3]*5H2O + MgSO4*7H2O = NaMg[Al(C2O4)3]*8H2O + Na2SO4 + H2O =>
Na3[Al(C2O4)3]*5H2O + MgSO4*7H2O = NaMg[Al(C2O4)3]*8H2O + Na2SO4 + 4 H2O
ZnSO4 + Ba(NO3)2 = BaSO4 + Zn(NO3)2 =>
ZnSO4 + Ba(NO3)2 = BaSO4 + Zn(NO3)2
FeCl3 + NH4CNS = Fe(CNS)3 + NH4Cl =>
FeCl3 + 3 NH4CNS = Fe(CNS)3 + 3 NH4Cl
Cd(HCO3)2(s) = CdCO3(s)CO2(g)H2O(l) =>
Cd(HCO3)2(s) = CdCO3(s)CO2(g)H2O(l)
NaNO3(s) = NaNO2(s) + O2(g) =>
2 NaNO3(s) = 2 NaNO2(s) + O2(g)
NH4 + HCl = NH4Cl + H =>
NH4 + HCl = NH4Cl + H
C24H36O4 + O2 = CO2 + H2O =>
C24H36O4 + 31 O2 = 24 CO2 + 18 H2O
Ca(CO3) + H2SO4 = Ca2(SO4)2 + H2O + CO2 =>
2 Ca(CO3) + 2 H2SO4 = Ca2(SO4)2 + 2 H2O + 2 CO2
K2Cr2O7 + H2SO4 + NaCl = CrO2Cl2 + Na2SO4 + K2SO4 + H2O =>
K2Cr2O7 + 3 H2SO4 + 4 NaCl = 2 CrO2Cl2 + 2 Na2SO4 + K2SO4 + 3 H2O
NO2(g) + O2(g) + H2O(l) = HNO3(g) =>
4 NO2(g) + O2(g) + 2 H2O(l) = 4 HNO3(g)
SO4 + HNO3 = NO3 + H2SO4 =>
SO4 + 2 HNO3 = 2 NO3 + H2SO4
NaOH + SIO2 = Na4SIO4 + H2O =>
4 NaOH + SIO2 = Na4SIO4 + 2 H2O
CaCl2 + KHCO3 = CaCO3 + KCl + H2O + CO2 =>
CaCl2 + 2 KHCO3 = CaCO3 + 2 KCl + H2O + CO2
PH + HNO3 = NO2 + H3PO4 + H2O =>
PH + 6 HNO3 = 6 NO2 + H3PO4 + 2 H2O
H2So4(aq) + NaOH(sol) = Na2So4(aq) + H2O(l) =>
H2So4(aq) + 2 NaOH(sol) = Na2So4(aq) + 2 H2O(l)
Zn(No3)2 + Ca(OH)2 = Zn(OH)2 + Ca(No3)2 =>
Zn(No3)2 + Ca(OH)2 = Zn(OH)2 + Ca(No3)2
CH3NH3Cl + NaOH = CH3NH3 + NaCl + OH =>
CH3NH3Cl + NaOH = CH3NH3 + NaCl + OH
Ba + H2SO3 = Ba2(SO3)2 + H2 =>
2 Ba + 2 H2SO3 = Ba2(SO3)2 + 2 H2
C7H6O + C4H8O2 = C11H12O2 + OH =>
26 C7H6O + 15 C4H8O2 = 22 C11H12O2 + 12 OH
AgNO3HCl = AgClHNO3 =>
AgNO3HCl = AgClHNO3
NaOH + Fe(SO4)2 = NaSO4 + Fe(OH)2 =>
2 NaOH + Fe(SO4)2 = 2 NaSO4 + Fe(OH)2
Na2CO3 + HNO3 = CO2 + H2O + NaNO3 =>
Na2CO3 + 2 HNO3 = CO2 + H2O + 2 NaNO3
AgNO3HCl = HNO3AgCl =>
AgNO3HCl = HNO3AgCl
Ag + HCl = HClAg =>
Ag + HCl = HClAg
IO = I2 + O2 =>
2 IO = I2 + O2
Zn(s) + HNO3(aq) = Zn(NO3)2 + N2O + H2O(g) =>
4 Zn(s) + 10 HNO3(aq) = 4 Zn(NO3)2 + N2O + 5 H2O(g)
Si + KNO3 + KOH = K2SiO3 + NH3 =>
2 Si + KNO3 + 3 KOH = 2 K2SiO3 + NH3
NaOH + Fe(SO4)2 = NaSO4 + Fe(OH)2 =>
2 NaOH + Fe(SO4)2 = 2 NaSO4 + Fe(OH)2
Mg(s) + O2(g) = MgO2(g) =>
Mg(s) + O2(g) = MgO2(g)
Li3PO4 + CoCl2 = Co3(PO4)2 + LiCl =>
2 Li3PO4 + 3 CoCl2 = Co3(PO4)2 + 6 LiCl
NaOH(s) = NaOH(aq) =>
NaOH(s) = NaOH(aq)
(NH4)2S(aq) + Mn(NO3)2(aq) = NH4NO3(aq) + MnS(s) =>
(NH4)2S(aq) + Mn(NO3)2(aq) = 2 NH4NO3(aq) + MnS(s)
Ni(NO3)2(aq) + Na2SO4(aq) = Ni2(SO4)2(aq) + NaNO3(aq) =>
2 Ni(NO3)2(aq) + 2 Na2SO4(aq) = Ni2(SO4)2(aq) + 4 NaNO3(aq)
FeSO4 + H2SO4 + KIO4 = I2 + K2SO4 + Fe2(SO4)3 + H2O =>
14 FeSO4 + 8 H2SO4 + 2 KIO4 = I2 + K2SO4 + 7 Fe2(SO4)3 + 8 H2O
AgNO3 + NaCO3 = Ag2CO3 + Na + NO3 =>
2 AgNO3 + NaCO3 = Ag2CO3 + Na + 2 NO3
CoCl2Na2C2O4 = CoC2O4Na2Cl2 =>
CoCl2Na2C2O4 = CoC2O4Na2Cl2
HBr + CO2 = BrCO2 + H2 =>
2 HBr + 2 CO2 = 2 BrCO2 + H2
SiO2 + NaHCO3 = Si(CO3) + Na(HO2) =>
SiO2 + NaHCO3 = Si(CO3) + Na(HO2)
LiOH + O3 = LiO + H2O =>
6 LiOH + O3 = 6 LiO + 3 H2O
Na2CO3 + CH3CO2K = CH3CO2Na + K2CO3 =>
Na2CO3 + 2 CH3CO2K = 2 CH3CO2Na + K2CO3
HOC6H4COOH3 + H2O = HOC6H4COOH + CH3OH =>
7 HOC6H4COOH3 + 4 H2O = 6 HOC6H4COOH + 7 CH3OH
Ca(HCO3)3 + Ca = CaCO3 + H2 =>
2 Ca(HCO3)3 + 4 Ca = 6 CaCO3 + 3 H2
S2O3{-} + H2O + Cl2 = SO42{-} + Cl{-} + H{+} =>
2 S2O3{-} + 162 H2O + 161 Cl2 = 4 SO42{-} + 322 Cl{-} + 324 H{+}
MgCO3 + H2SO4 = MgSO4 + CO2 + H2O =>
MgCO3 + H2SO4 = MgSO4 + CO2 + H2O
C6H5CO2H(s) = C(s) + CO2(g) + H2(g) =>
C6H5CO2H(s) = 6 C(s) + CO2(g) + 3 H2(g)
CrO7{2-} + Fe{2+} + H{+} = Fe{3+} + Cr{3+} + H2O =>
CrO7{2-} + 9 Fe{2+} + 14 H{+} = 9 Fe{3+} + Cr{3+} + 7 H2O
Fe2(SO4)3 + Li3PO4 = FePO4 + Li2SO4 =>
Fe2(SO4)3 + 2 Li3PO4 = 2 FePO4 + 3 Li2SO4
AlCl3 + NH3 + H2O = Al(OH)3 + ClNH4 =>
AlCl3 + 3 NH3 + 3 H2O = Al(OH)3 + 3 ClNH4
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Équations équilibrées sur11/22/24
Équations équilibrées sur12/22/23
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