| Équations équilibrées la veille |
2 C6H8O7 + 3 Be = C12H10Be3O14 + 3 H2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
MgCO3 + C = MgC2 + CO =>
MgCO3 + 4 C = MgC2 + 3 CO
La(IO3)3 + OH{-} = LaOH{-} + IO3 =>
La(IO3)3 + OH{-} = LaOH{-} + 3 IO3
K3[Sc(OH)6] + K2S2O7 = K2SO4 + Sc2(SO4)3 + H2SO4 =>
2 K3[Sc(OH)6] + 12 K2S2O7 = 15 K2SO4 + Sc2(SO4)3 + 6 H2SO4
NiC2O4*2(H2O) + O2 = NiO + H2O + CO2 =>
2 NiC2O4*2(H2O) + O2 = 2 NiO + 4 H2O + 4 CO2
(Ag2)S + CuCl2 = AgCl + CuS =>
(Ag2)S + CuCl2 = 2 AgCl + CuS
Al(No3)3 + KOH = K[Al(OH)4] + KNo3 =>
Al(No3)3 + 4 KOH = K[Al(OH)4] + 3 KNo3
CaC2 + MnO2 = CaO + Mn + CO =>
2 CaC2 + 3 MnO2 = 2 CaO + 3 Mn + 4 CO
ZnS + H2O = H2S + Zn(OH)2 =>
ZnS + 2 H2O = H2S + Zn(OH)2
Zn(HCl) = Zn2(Cl)2 + H2 =>
2 Zn(HCl) = Zn2(Cl)2 + H2
KCIO = KCI + KCIO2 =>
2 KCIO = KCI + KCIO2
H2OCa(NO3) + SrCO3 + C6H8O4 = CaSrO + H2O + CO2 + N2 =>
4 H2OCa(NO3) + 4 SrCO3 + C6H8O4 = 4 CaSrO + 8 H2O + 10 CO2 + 2 N2
SnCl2 + FeCl3 = SnCl4 + FeCl2 =>
SnCl2 + 2 FeCl3 = SnCl4 + 2 FeCl2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
KBrO3 + NH3OHCl + H2O = KBr + NO3{-} + Cl{-} + H3O{+} =>
KBrO3 + NH3OHCl + H2O = KBr + NO3{-} + Cl{-} + 2 H3O{+}
Ba(ClO4)2(aq) + K3PO4(aq) = Ba3(PO4)2(s) + KClO4(aq) =>
3 Ba(ClO4)2(aq) + 2 K3PO4(aq) = Ba3(PO4)2(s) + 6 KClO4(aq)
CuS + H2SO3 = CuSO3 + H2S =>
CuS + H2SO3 = CuSO3 + H2S
As2S5 + NaNO3 + HCl = H3As5O4 + NaHSO4 + NO2 + H2O + NaCl =>
5 As2S5 + 160 NaNO3 + 135 HCl = 2 H3As5O4 + 25 NaHSO4 + 160 NO2 + 52 H2O + 135 NaCl
NO2 + Cu(OH)2 = Cu(NO3)2 + Cu(NO2)2 + H2O =>
4 NO2 + 2 Cu(OH)2 = Cu(NO3)2 + Cu(NO2)2 + 2 H2O
NaOH + H2(SO4) = Na2(SO4) + H2O =>
2 NaOH + H2(SO4) = Na2(SO4) + 2 H2O
H3SO4 + Fe(OH)3 = FeSO4 + H2O =>
H3SO4 + Fe(OH)3 = FeSO4 + 3 H2O
Pb(NO3)2 + NH4OH = Pb(OH)2 + NH4NO3 =>
Pb(NO3)2 + 2 NH4OH = Pb(OH)2 + 2 NH4NO3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Zn(OH)2 + H3PO4 = Zn3(PO4)2 + H2O =>
3 Zn(OH)2 + 2 H3PO4 = Zn3(PO4)2 + 6 H2O
CH3OH + K2CrO7 + H2SO4 = HCOOH + Cr2(SO4)3 + K2SO4 + H2O =>
9 CH3OH + 4 K2CrO7 + 10 H2SO4 = 9 HCOOH + 2 Cr2(SO4)3 + 4 K2SO4 + 19 H2O
Na2SO4 + C2 = Na2S + CO2 =>
Na2SO4 + C2 = Na2S + 2 CO2
ZnO2(s) + C2(s) = Zn(g) + CO2(g) =>
2 ZnO2(s) + C2(s) = 2 Zn(g) + 2 CO2(g)
BeO + LiSO4 = LiO + BeSO4 =>
BeO + LiSO4 = LiO + BeSO4
AgNO3 + CuCl2 = AgCl + Cu(NO3)2 =>
2 AgNO3 + CuCl2 = 2 AgCl + Cu(NO3)2
NaI + HClO4 = NaIO3 + HCl =>
4 NaI + 3 HClO4 = 4 NaIO3 + 3 HCl
Mg(OH)2 + HF = H2O + MgF2 =>
Mg(OH)2 + 2 HF = 2 H2O + MgF2
NO + NaOH = NaO + N(OH) =>
NO + NaOH = NaO + N(OH)
CaSO4 + Ni3P2 = Ca3P2 + NiSO4 =>
3 CaSO4 + Ni3P2 = Ca3P2 + 3 NiSO4
PbSO4 = PbSO3 + O2 =>
2 PbSO4 = 2 PbSO3 + O2
Zn + NaVO3 + HCl = VCl3 + ZnCl2 + NaCl + H2O =>
Zn + NaVO3 + 6 HCl = VCl3 + ZnCl2 + NaCl + 3 H2O
BaNa2 = Ba(Na)2 =>
BaNa2 = Ba(Na)2
Cl2 + NaOH = NaClONaCl + H2O =>
Cl2 + 2 NaOH = NaClONaCl + H2O
CuNO3 + Fe = Fe(NO3)2 + Cu =>
2 CuNO3 + Fe = Fe(NO3)2 + 2 Cu
AgNO3 + NaHSO4 = Ag2SO4 + NaH + NO3 =>
2 AgNO3 + NaHSO4 = Ag2SO4 + NaH + 2 NO3
Al2(SO4)3 + KI + KIO3 + H2O = Al(OH)3 + I2 + K2(SO4) =>
Al2(SO4)3 + 5 KI + KIO3 + 3 H2O = 2 Al(OH)3 + 3 I2 + 3 K2(SO4)
C6H10O5 + H2O = C2H5OH + CO2 =>
C6H10O5 + H2O = 2 C2H5OH + 2 CO2
KCIO = KCI + KCIO2 =>
2 KCIO = KCI + KCIO2
MgS + HNO3 = Mg(NO3)2 + H2S =>
MgS + 2 HNO3 = Mg(NO3)2 + H2S
C6H12O7 + NaOH = HOCH2(CHOH)4COONa + H2O =>
C6H12O7 + NaOH = HOCH2(CHOH)4COONa + H2O
Na + CoCrO4 = Na2CrO4 + Co2 =>
4 Na + 2 CoCrO4 = 2 Na2CrO4 + Co2
FeCl3 + Na3(PO4) = Fe3(PO4)3 + NaCl =>
3 FeCl3 + 3 Na3(PO4) = Fe3(PO4)3 + 9 NaCl
HCl(aq) + Mn3O4(s) = MnCl2(aq) + H2O(l) + Cl2(g) =>
8 HCl(aq) + Mn3O4(s) = 3 MnCl2(aq) + 4 H2O(l) + Cl2(g)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Mg + FeF3 = Fe + MgF2 =>
3 Mg + 2 FeF3 = 2 Fe + 3 MgF2
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