| Équations équilibrées la veille |
2 H2S(s) + H2SO3(s) = 3 H2O(s) + 3 S(s)
CuSO4(aq) + NaOH(aq) = Cu(OH)2 + Na2SO4 =>
CuSO4(aq) + 2 NaOH(aq) = Cu(OH)2 + Na2SO4
NH4VO3 + Zn + HCl = ZnCl2 + VCl3 + NH4Cl + H2O =>
NH4VO3 + Zn + 6 HCl = ZnCl2 + VCl3 + NH4Cl + 3 H2O
FeO4{2-} + H{+} + e = Fe{2+} + H2O =>
FeO4{2-} + 8 H{+} + 4e = Fe{2+} + 4 H2O
Fe2(O)3 + C = Fe + CO2 =>
2 Fe2(O)3 + 3 C = 4 Fe + 3 CO2
SrCl2 + Na2C2O4 = SrC2O4 + Na2Cl2 =>
SrCl2 + Na2C2O4 = SrC2O4 + Na2Cl2
KI + (NH4)2S2O8 = K2S2O8 + NH4I =>
2 KI + (NH4)2S2O8 = K2S2O8 + 2 NH4I
Fe2(O)3 + C = Fe + CO2 =>
2 Fe2(O)3 + 3 C = 4 Fe + 3 CO2
Al2O3 + SiO2 = Al2(SiO3)3 =>
Al2O3 + 3 SiO2 = Al2(SiO3)3
Cu + SO3 = CuSO4 + SO2 =>
Cu + 2 SO3 = CuSO4 + SO2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
NH4VO3 + Zn + HCl = NH3 + VO + ZnCl2 + H2O =>
2 NH4VO3 + 3 Zn + 6 HCl = 2 NH3 + 2 VO + 3 ZnCl2 + 4 H2O
C6H10O4 + C6H16N2 = C12H22O2N2 + H2O =>
C6H10O4 + C6H16N2 = C12H22O2N2 + 2 H2O
SrCl2 + Na2C2O4 = SrC2O4 + NaCl =>
SrCl2 + Na2C2O4 = SrC2O4 + 2 NaCl
Na2S + HNO3 = S + NO + NaNO3 + H2O =>
3 Na2S + 8 HNO3 = 3 S + 2 NO + 6 NaNO3 + 4 H2O
CaCl2 + HNO3 = Ca(NO3)2 + HCl =>
CaCl2 + 2 HNO3 = Ca(NO3)2 + 2 HCl
Pb + Ba(OH)2 = Pb(OH) + Ba =>
2 Pb + Ba(OH)2 = 2 Pb(OH) + Ba
NaC1 + AgF = NaF + AgC1 =>
NaC1 + AgF = NaF + AgC1
N2H2 + H2O = N2H4 + O2 =>
2 N2H2 + 2 H2O = 2 N2H4 + O2
Au(s) + NaBr(aq) = Au2Br + Na =>
2 Au(s) + NaBr(aq) = Au2Br + Na
NaClO = NaCl + O2 =>
2 NaClO = 2 NaCl + O2
N2H2 + H2O = N2H4 + O2 =>
2 N2H2 + 2 H2O = 2 N2H4 + O2
KIO3 + H2SO3 = KHSO3 + H2SO4 + I2 + H2O =>
2 KIO3 + 7 H2SO3 = 2 KHSO3 + 5 H2SO4 + I2 + H2O
NH4VO3 + Zn + HCl = NH4Cl + V2O3 + ZnCl2 + H2O =>
2 NH4VO3 + 2 Zn + 6 HCl = 2 NH4Cl + V2O3 + 2 ZnCl2 + 3 H2O
CO + H2O2 = CO2 + H2O =>
CO + H2O2 = CO2 + H2O
Cr(OH)3 + H2O2 + NaOH = Na3CrO4 + H2O =>
Cr(OH)3 + H2O2 + 3 NaOH = Na3CrO4 + 4 H2O
Au(s) + NaBr(aq) = AuBr3 + Na =>
Au(s) + 3 NaBr(aq) = AuBr3 + 3 Na
N2H2 + H2O = N2H4 + O2 =>
2 N2H2 + 2 H2O = 2 N2H4 + O2
Na2S + HNO3 = Na2SO4 + NO + H2O =>
3 Na2S + 8 HNO3 = 3 Na2SO4 + 8 NO + 4 H2O
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
KIO3 + H2SO3 = I2 + K2SO4 + H2O + H2SO4 =>
2 KIO3 + 5 H2SO3 = I2 + K2SO4 + H2O + 4 H2SO4
P + O2 = PO =>
2 P + O2 = 2 PO
Ca3(PO4)2(s) + SiO2(s) + C(s) = P4(g) + CaSiO3(l) + CO(g) =>
2 Ca3(PO4)2(s) + 6 SiO2(s) + 10 C(s) = P4(g) + 6 CaSiO3(l) + 10 CO(g)
Ba + N2 = Ba3N2 =>
3 Ba + N2 = Ba3N2
Mn(OH)2 + O2 = Mn2O3 + H2O =>
4 Mn(OH)2 + O2 = 2 Mn2O3 + 4 H2O
SrCl2 + Na2C2O4 = SrC2O4 + Na2Cl2 =>
SrCl2 + Na2C2O4 = SrC2O4 + Na2Cl2
Mg(OH)2 = MgO + H2O =>
Mg(OH)2 = MgO + H2O
FeCl2 + H2SO4 = FeSO4 + HCl =>
FeCl2 + H2SO4 = FeSO4 + 2 HCl
Zn(NO3) + NaCO3 = Zn(CO3) + NaNO3 =>
Zn(NO3) + NaCO3 = Zn(CO3) + NaNO3
C2H5OH + CH2O2 = C3H6O2 + H2O =>
C2H5OH + CH2O2 = C3H6O2 + H2O
N2H2 + H2O = N2H4 + O2 =>
2 N2H2 + 2 H2O = 2 N2H4 + O2
NH4VO3 + Zn + HCl = VOCl2 + ZnCl2 + NH4Cl + H2O =>
2 NH4VO3 + Zn + 8 HCl = 2 VOCl2 + ZnCl2 + 2 NH4Cl + 4 H2O
N2H2 + H2O = N2H4 + O2 =>
2 N2H2 + 2 H2O = 2 N2H4 + O2
C2H5NO2 + NaOH = NH2CH2COONa + H2O =>
C2H5NO2 + NaOH = NH2CH2COONa + H2O
OC10H8 + O2 = CO2 + H2O =>
2 OC10H8 + 23 O2 = 20 CO2 + 8 H2O
C2H5Cl + O2 = CO + H2O + Cl2 =>
4 C2H5Cl + 9 O2 = 8 CO + 10 H2O + 2 Cl2
N2H2 + H2O = N2H4 + O2 =>
2 N2H2 + 2 H2O = 2 N2H4 + O2
Na2S + HNO3 = NaNO3 + H2S =>
Na2S + 2 HNO3 = 2 NaNO3 + H2S
Pb(NO3)2 + Ag = AgNO3 + Pb =>
Pb(NO3)2 + 2 Ag = 2 AgNO3 + Pb
Ag2S + Al = Ag + Al2S3 =>
3 Ag2S + 2 Al = 6 Ag + Al2S3
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Équations équilibrées sur02/10/25
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