| Équations équilibrées la veille |
3 Cl2(g) + 6 NaOH(s) = 5 NaCl(s) + NaClO3(s) + 3 H2O(l)
KOH + H2O = KO2 + H2 =>
2 KOH + 2 H2O = 2 KO2 + 3 H2
NH4Br + Pb(C2H3O2)2 = C2H7NO2 + PbBr2 =>
2 NH4Br + Pb(C2H3O2)2 = 2 C2H7NO2 + PbBr2
MnO2 = Mn{2+} + O{-} =>
MnO2 = Mn{2+} + 2 O{-}
Fe(OH)2 = FeO + HOH =>
Fe(OH)2 = FeO + HOH
CaCl2 + K2CO3 = CaCO3 + K2Cl2 =>
CaCl2 + K2CO3 = CaCO3 + K2Cl2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
CuCl2 + F = CuF + Cl =>
CuCl2 + F = CuF + 2 Cl
MnO2 = Mn{2+} + O{-} =>
MnO2 = Mn{2+} + 2 O{-}
CU(OH)2 + H2SO4 = H2O + CUSO4 =>
CU(OH)2 + H2SO4 = 2 H2O + CUSO4
FeCl3 + Ca(OH)2 = Fe(OH)3 + CaCl2 =>
2 FeCl3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 CaCl2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
C6H8O7 + H2O2 = CH2O2 + H2O =>
C6H8O7 + 3 H2O2 = 6 CH2O2 + H2O
H2CrO4 + NaHSO3 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
4 H2CrO4 + 6 NaHSO3 + 3 H2SO4 = 2 Cr2(SO4)3 + 3 Na2SO4 + 10 H2O
H202 + KI = H2I + K02 =>
2 H202 + 202 KI = 202 H2I + 101 K02
I2 + NaOH = IOH + Na =>
I2 + 2 NaOH = 2 IOH + 2 Na
BaSO4 + CuO = BaO + CuSO4 =>
BaSO4 + CuO = BaO + CuSO4
Zn + KNO3 + NaOH = KNO2 + Na2ZnO2 + H2O =>
Zn + KNO3 + 2 NaOH = KNO2 + Na2ZnO2 + H2O
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
Li2CO3 + MoBr6 = LiBr + Mo2(CO3)6 =>
6 Li2CO3 + 2 MoBr6 = 12 LiBr + Mo2(CO3)6
I2 + NaOH = IOH + Na =>
I2 + 2 NaOH = 2 IOH + 2 Na
BaCl2 + Br2 = BaBr2 + Cl2 =>
BaCl2 + Br2 = BaBr2 + Cl2
Mg(NO3)2 + Li(OH) = Mg(OH)2 + LiNO3 =>
Mg(NO3)2 + 2 Li(OH) = Mg(OH)2 + 2 LiNO3
U(s) + F2(g) = UF6(s) =>
U(s) + 3 F2(g) = UF6(s)
AgNO3(aq) + Fe(s) = Fe(NO3)2 + Ag(s) =>
2 AgNO3(aq) + Fe(s) = Fe(NO3)2 + 2 Ag(s)
Na2S2O3 + AgBr = NaBr + Na3[Ag(S2O3)2] =>
2 Na2S2O3 + AgBr = NaBr + Na3[Ag(S2O3)2]
BaSO4 + CuO = BaO + CuSO4 =>
BaSO4 + CuO = BaO + CuSO4
C57H104O6 + NaOH = C17H33COONa + C3H8O3 =>
C57H104O6 + 3 NaOH = 3 C17H33COONa + C3H8O3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cu + Ag(NO3)3 = Ag + Cu(NO3) =>
3 Cu + Ag(NO3)3 = Ag + 3 Cu(NO3)
HNO3 + HF = HFO4 + NO + H2O =>
8 HNO3 + 3 HF = 3 HFO4 + 8 NO + 4 H2O
K2CO3 + CH3CO2H = KCH3CO2 + CO3 + H2O =>
6 K2CO3 + 11 CH3CO2H = 12 KCH3CO2 + 4 CO3 + 4 H2O
Cr2O3 + H2O2 = H2Cr2O7 + H2O =>
Cr2O3 + 3 H2O2 = H2Cr2O7 + 2 H2O
HC2H3O2 + NaHCO3 = CO2 + NaC2H3O2 + H2O =>
HC2H3O2 + NaHCO3 = CO2 + NaC2H3O2 + H2O
C2H7N + HCl = C2H8NCl =>
C2H7N + HCl = C2H8NCl
FeCl3(aq) + Na2SO3(aq) = NaCl(aq) + Fe2(SO3)3(s) =>
2 FeCl3(aq) + 3 Na2SO3(aq) = 6 NaCl(aq) + Fe2(SO3)3(s)
CH3COOHC2H5NH2 = CH3CONHC2H5H2O =>
CH3COOHC2H5NH2 = CH3CONHC2H5H2O
Cr2(SO4)3 + KMnO4 + H2O = H2Cr2O7 + MnO2 + K2SO4 + H2SO4 =>
Cr2(SO4)3 + 2 KMnO4 + 3 H2O = H2Cr2O7 + 2 MnO2 + K2SO4 + 2 H2SO4
HN3 + Cu = Cu3N2 + H2 =>
2 HN3 + 9 Cu = 3 Cu3N2 + H2
CaCO3 + H2SO4 = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4 = CaSO4 + H2O + CO2
NO + C = N2 + CO2 =>
2 NO + C = N2 + CO2
NaHSO3 + H2SO4 = Na2SO4 + SO2 + H2O =>
2 NaHSO3 + H2SO4 = Na2SO4 + 2 SO2 + 2 H2O
HCl(aq) + Pb(NO3)2 = PbCl2 + HNO3 =>
2 HCl(aq) + Pb(NO3)2 = PbCl2 + 2 HNO3
Co(NO3)2(aq) + KOH(aq) = Co(OH)2(s) + KNO3(aq) =>
Co(NO3)2(aq) + 2 KOH(aq) = Co(OH)2(s) + 2 KNO3(aq)
W + Cl2 = WCl6 =>
W + 3 Cl2 = WCl6
SiO2 + NaF + HF = Na2SiF6 + H2O =>
SiO2 + 2 NaF + 4 HF = Na2SiF6 + 2 H2O
CuSO4 + H2SO4 = Cu(SO4)2 + H2 =>
CuSO4 + H2SO4 = Cu(SO4)2 + H2
Zn(NO3)2*6H2O + NaOH = Zn(OH)2 + Na(NO3) + H2O =>
Zn(NO3)2*6H2O + 2 NaOH = Zn(OH)2 + 2 Na(NO3) + 6 H2O
AgNO3 + Zn = Zn(NO3)3 + Ag =>
3 AgNO3 + Zn = Zn(NO3)3 + 3 Ag
AgCl + Fe = FeCl3 + Ag =>
3 AgCl + Fe = FeCl3 + 3 Ag
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Équations équilibrées sur10/22/24
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