| Équations équilibrées la veille |
2 C + S = SC2
Pb(CH3COO)2 + NaOH = Pb(OH)2 + CH3COONa =>
Pb(CH3COO)2 + 2 NaOH = Pb(OH)2 + 2 CH3COONa
HC2H3O2 + CaCO3 = H3C4H6O4 + Ca(C2H2O2)2 + H2CO3 =>
6 HC2H3O2 + CaCO3 = 2 H3C4H6O4 + Ca(C2H2O2)2 + H2CO3
Kl + Cu = Kl2Cu =>
2 Kl + Cu = Kl2Cu
Pb(s) + CuSO4(aq) = PbSO4(aq) + Cu(s) =>
Pb(s) + CuSO4(aq) = PbSO4(aq) + Cu(s)
NH4NO3 + Na3PO4 = (NH4)3PO4 + NaNO3 =>
3 NH4NO3 + Na3PO4 = (NH4)3PO4 + 3 NaNO3
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Ca(HCO3)2 + (CO) = CaO + CO2 + H2 =>
Ca(HCO3)2 + (CO) = CaO + 3 CO2 + H2
BCl3 + NaOH = NaCl + H3BO3 =>
BCl3 + 3 NaOH = 3 NaCl + H3BO3
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
PbOH + KOH = PbOK + H2O =>
PbOH + KOH = PbOK + H2O
Cr2(SO4)3 + K2S + H2O = Cr(OH)3 + H2S + K2SO4 =>
Cr2(SO4)3 + 3 K2S + 6 H2O = 2 Cr(OH)3 + 3 H2S + 3 K2SO4
Pb + HNO3 = PbNO3 + N2O + H2O =>
8 Pb + 10 HNO3 = 8 PbNO3 + N2O + 5 H2O
K + MgCl2 = KCl + Mg =>
2 K + MgCl2 = 2 KCl + Mg
Pb + HNO3 = PbNO3 + N2O + H2O =>
8 Pb + 10 HNO3 = 8 PbNO3 + N2O + 5 H2O
KMnO4 + KOH + K2SO3 = K2MnO3 + K2SO4 + H2O =>
2 KMnO4 + 2 KOH + 3 K2SO3 = 2 K2MnO3 + 3 K2SO4 + H2O
HF + Mg(NO3)2 = MgF2 + HNO3 =>
2 HF + Mg(NO3)2 = MgF2 + 2 HNO3
KJ + Pb(NO3)2 = PbJ + K(NO3)2 =>
KJ + Pb(NO3)2 = PbJ + K(NO3)2
Fe2O3 + Na2S + H2SO4 = FeSO4 + H2O + Na2SO4 =>
4 Fe2O3 + Na2S + 8 H2SO4 = 8 FeSO4 + 8 H2O + Na2SO4
Pb + HNO3 = Pb(NO3)2 + NO2 + H2O =>
Pb + 4 HNO3 = Pb(NO3)2 + 2 NO2 + 2 H2O
Na2SeO3 + SnCl2 + H2SO4 = SnCl4 + Sn(SO4)2 + Se + Na2SO4 + H2O =>
Na2SeO3 + 2 SnCl2 + 3 H2SO4 = SnCl4 + Sn(SO4)2 + Se + Na2SO4 + 3 H2O
Pb + HNO3 = PbNO3 + N2O + H2O =>
8 Pb + 10 HNO3 = 8 PbNO3 + N2O + 5 H2O
ZnCO3(s) + H2SO4(aq) = CO2 + H2O + ZnSO4 =>
ZnCO3(s) + H2SO4(aq) = CO2 + H2O + ZnSO4
NiCuSO4 = NiSO4Cu =>
NiCuSO4 = NiSO4Cu
SnN2O6 + Na2CO3 + H2O = CO2 + Sn3O10H4N2 + NaNO3 =>
3 SnN2O6 + 2 Na2CO3 + 2 H2O = 2 CO2 + Sn3O10H4N2 + 4 NaNO3
As2S3 + HCO3{-} + O2 = AsCO3{+} + H{+} + SO4{2-} =>
As2S3 + 2 HCO3{-} + 6 O2 = 2 AsCO3{+} + 2 H{+} + 3 SO4{2-}
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
Pb + HNO3 = PbNO3 + N2O + H2O =>
8 Pb + 10 HNO3 = 8 PbNO3 + N2O + 5 H2O
BH3 + O2 = B2O3 + H2O =>
2 BH3 + 3 O2 = B2O3 + 3 H2O
NiCuCl2 = NiCl2Cu =>
NiCuCl2 = NiCl2Cu
C3H6 + Br2 = C3H4Br + H2Br =>
C3H6 + Br2 = C3H4Br + H2Br
Pb + HNO3 = PbNO3 + N2O + H2O =>
8 Pb + 10 HNO3 = 8 PbNO3 + N2O + 5 H2O
CH3N2 + O2 = CO2 + H2O + N2 =>
4 CH3N2 + 7 O2 = 4 CO2 + 6 H2O + 4 N2
ZnClO3 + MgI2 = ZnI + Mg(ClO3)2 =>
2 ZnClO3 + MgI2 = 2 ZnI + Mg(ClO3)2
K + B2O = K2O + B =>
2 K + B2O = K2O + 2 B
SO2 + H{+} + MnO4 = Mn{3+} + H2O + SO4 =>
5 SO2 + 12 H{+} + 4 MnO4 = 4 Mn{3+} + 6 H2O + 5 SO4
K2SiO3 + H2SO4 = K2SO4 + SiO2 + H2O =>
K2SiO3 + H2SO4 = K2SO4 + SiO2 + H2O
Pb + HNO3 = PbNO3 + N2O + H2O =>
8 Pb + 10 HNO3 = 8 PbNO3 + N2O + 5 H2O
Pb + HNO3 = Pb(NO3)2 + H2 =>
Pb + 2 HNO3 = Pb(NO3)2 + H2
CrCl3 + H2SO4 = Cr2(SO4)3 + HCl =>
2 CrCl3 + 3 H2SO4 = Cr2(SO4)3 + 6 HCl
NaOH + HB = H2O + NaB =>
NaOH + HB = H2O + NaB
Pb + HNO3 = PbNO3 + N2O + H2O =>
8 Pb + 10 HNO3 = 8 PbNO3 + N2O + 5 H2O
Pb(C2H3O2)2(aq) + BaCl2(aq) = PbCl2(s) + Ba(C2H3O2)2(aq) =>
Pb(C2H3O2)2(aq) + BaCl2(aq) = PbCl2(s) + Ba(C2H3O2)2(aq)
W + H2SO4 = WSO4 + H2O + H2S =>
4 W + 5 H2SO4 = 4 WSO4 + 4 H2O + H2S
Ba(OH)2 + SO2 = Ba2(SO3)2 + H2O =>
2 Ba(OH)2 + 2 SO2 = Ba2(SO3)2 + 2 H2O
Pb + HNO3 = PbNO3 + N2O + H2O =>
8 Pb + 10 HNO3 = 8 PbNO3 + N2O + 5 H2O
Zn(s) + CuSO4(aq) = Zn(SO4)2 + Cu(s) =>
Zn(s) + 2 CuSO4(aq) = Zn(SO4)2 + 2 Cu(s)
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
Fe2O + C = CO2 + Fe =>
2 Fe2O + C = CO2 + 4 Fe
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Équations équilibrées sur01/13/25
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