| Équations équilibrées la veille |
Zn + 2 HCl = ZnCl2 + H2
NaF(aq) + MgCl2(aq) = NaCl(aq) + MgF2(s) =>
2 NaF(aq) + MgCl2(aq) = 2 NaCl(aq) + MgF2(s)
K + BeO = K2O + Be =>
2 K + BeO = K2O + Be
Ni(ClO3)2 = NiCl2 + O2 =>
Ni(ClO3)2 = NiCl2 + 3 O2
V(OH)3 = V2O3 + H2O =>
2 V(OH)3 = V2O3 + 3 H2O
Cr2O3 + NH3 = Cr + N2 + H2O =>
Cr2O3 + 2 NH3 = 2 Cr + N2 + 3 H2O
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
SO2 + KO = KSO3 =>
SO2 + KO = KSO3
CuOH2 = Cu2 + H2O =>
2 CuOH2 = Cu2 + 2 H2O
Zn + KOH + KNO2 + H2O = K(Zn(OH)3) + NH3 =>
3 Zn + 2 KOH + KNO2 + 5 H2O = 3 K(Zn(OH)3) + NH3
CaF2 + H3O{+} = HF + Ca{2+} + H2O =>
CaF2 + 2 H3O{+} = 2 HF + Ca{2+} + 2 H2O
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
NaNO2 + H2SO4 = H2O + HNO3 + NO + Na2SO4 =>
6 NaNO2 + 3 H2SO4 = 2 H2O + 2 HNO3 + 4 NO + 3 Na2SO4
AgI(s) + Na2S(aq) = Ag2S(aq) + NaI(aq) =>
2 AgI(s) + Na2S(aq) = Ag2S(aq) + 2 NaI(aq)
KO2 + CO2 = K2CO3 + (O2) =>
4 KO2 + 2 CO2 = 2 K2CO3 + 3(O2)
KOH + H2S = K2S(aq) + H2O =>
2 KOH + H2S = K2S(aq) + 2 H2O
KMnO4 + H2SO4 + CH3CHO = K2SO4 + MnSO4 + CH3COOH + H2O = naoh =>
2 KMnO4 + 3 H2SO4 + 5 CH3CHO = K2SO4 + 2 MnSO4 + 5 CH3COOH + 3 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
KFeO2 = Fe2O3 + K2O =>
2 KFeO2 = Fe2O3 + K2O
CrH(CO3)2 + KOH = KCr(CO3)2 + H2O =>
CrH(CO3)2 + KOH = KCr(CO3)2 + H2O
Hg(NO3)2 = Hg + NO2 + O2 =>
Hg(NO3)2 = Hg + 2 NO2 + O2
Pb(No3)2 + Na2S = PbS(s) + NaNo3 =>
Pb(No3)2 + Na2S = PbS(s) + 2 NaNo3
S8 + H2 = H2S =>
S8 + 8 H2 = 8 H2S
CuCl2(aq) + Na2SO4(aq) = CuSO4 + NaCl =>
CuCl2(aq) + Na2SO4(aq) = CuSO4 + 2 NaCl
NiCl2 = Ni + Cl =>
NiCl2 = Ni + 2 Cl
Fe + HNO3(conc) = Fe(NO3)3 + N2 + H2O =>
10 Fe + 36 HNO3(conc) = 10 Fe(NO3)3 + 3 N2 + 18 H2O
Cr15O3 = Cr + O2 =>
2 Cr15O3 = 30 Cr + 3 O2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
AlBr3 + Fe2O3 = Al2O3 + FeBr3 =>
2 AlBr3 + Fe2O3 = Al2O3 + 2 FeBr3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
MgCl2 + K2CO3 = KCl + MgCO3 =>
MgCl2 + K2CO3 = 2 KCl + MgCO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NaNO3(s) = NaNO2(s) + O2(g) =>
2 NaNO3(s) = 2 NaNO2(s) + O2(g)
Cl2(g) + KI(aq) = KCl(aq) + I2(g) =>
Cl2(g) + 2 KI(aq) = 2 KCl(aq) + I2(g)
Na(OH)2 = Na + OH =>
Na(OH)2 = Na + 2 OH
Fe + HCIO4 = Fe(CIO4)3 + H2 =>
2 Fe + 6 HCIO4 = 2 Fe(CIO4)3 + 3 H2
H3O + OH = H2O =>
H3O + OH = 2 H2O
P + CuSO4 = Cu + PSO4 =>
P + CuSO4 = Cu + PSO4
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + (H2O) =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6(H2O)
Sb2O3 + NaOH + H2O = Na3[Sb(OH)6] =>
Sb2O3 + 6 NaOH + 3 H2O = 2 Na3[Sb(OH)6]
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Fe + HCIO4 = FeCIO4 + H2 =>
2 Fe + 2 HCIO4 = 2 FeCIO4 + H2
C3H4N2 + H2O = OH + HC3H4N2 =>
C3H4N2 + H2O = OH + HC3H4N2
CaCo3 + AlF3 = CaF2 + Al2(Co3)3 =>
3 CaCo3 + 2 AlF3 = 3 CaF2 + Al2(Co3)3
Na2CO3 + Cr2O3 = CO2 + NaCrO2 =>
Na2CO3 + Cr2O3 = CO2 + 2 NaCrO2
MnO2 + HC1 = MnC2 + H2O + C =>
MnO2 + 4 HC1 = MnC2 + 2 H2O + 2 C
HClO + H2C2O4 = CO2 + Cl2 + H2O =>
2 HClO + H2C2O4 = 2 CO2 + Cl2 + 2 H2O
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Équations équilibrées sur12/23/24
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