| Équations équilibrées la veille | Équations équilibrées le lendemain |
Mo + 4 HNO3 + H2SO4 = MoOSO4 + 4 NO2 + 3 H2O
Pb(CH3CO2)2 + Na2CO3 = PbCO3 + CH3CO2Na =>
Pb(CH3CO2)2 + Na2CO3 = PbCO3 + 2 CH3CO2Na
NH4 + H2O = H3O + NO2 =>
NH4 + 10 H2O = 8 H3O + NO2
CaCl2 + RCOONa = NaCl + (RCOO)2Ca =>
CaCl2 + 2 RCOONa = 2 NaCl + (RCOO)2Ca
Br2 + K = KBr =>
Br2 + 2 K = 2 KBr
Cr(OH)3 + O2 + KOH = K2CrO4 + H2O =>
4 Cr(OH)3 + 3 O2 + 8 KOH = 4 K2CrO4 + 10 H2O
Na3Po4 + FeCl3 = Na3Cl + Fe(Po4)3 =>
3 Na3Po4 + FeCl3 = 3 Na3Cl + Fe(Po4)3
NaClO3 + MnCO3 = NaCl + MnO2 + CO2 =>
NaClO3 + 3 MnCO3 = NaCl + 3 MnO2 + 3 CO2
NH4Cl + Na2S = (NH4)2S + NaCl =>
2 NH4Cl + Na2S = (NH4)2S + 2 NaCl
NaCl + HNO3 = NaNO3 + Cl2 + NOCl + H2O =>
3 NaCl + 4 HNO3 = 3 NaNO3 + Cl2 + NOCl + 2 H2O
AlN3O9 + IK = AlI3 + KNO3 =>
AlN3O9 + 3 IK = AlI3 + 3 KNO3
HCI + NaOH = NaCI + H2O =>
HCI + NaOH = NaCI + H2O
C5H7NO + O2 = CO2 + H2O + N2 =>
4 C5H7NO + 25 O2 = 20 CO2 + 14 H2O + 2 N2
Fe{3+} + I{-} = Fe{2+} + I2 =>
2 Fe{3+} + 2 I{-} = 2 Fe{2+} + I2
Ba(NO3)2 + Br = BaBr2 + NO3 =>
Ba(NO3)2 + 2 Br = BaBr2 + 2 NO3
Ba3 + N2 = Ba3N2 =>
Ba3 + N2 = Ba3N2
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
Cr2O3 + NaOH = CrO3 + Na + H2O =>
Cr2O3 + 6 NaOH = 2 CrO3 + 6 Na + 3 H2O
NaC1 + H2SO4 = NaHSO4 + HC1 =>
NaC1 + H2SO4 = NaHSO4 + HC1
Ca + CO3 + HF = CaF2 + CO2 + H2O =>
Ca + CO3 + 2 HF = CaF2 + CO2 + H2O
Ca(OH)2 + CO2 = Ca(HCO3)2 =>
Ca(OH)2 + 2 CO2 = Ca(HCO3)2
K[Al(OH)4] + H2S = KHS + Al(OH)3 + H2O =>
K[Al(OH)4] + H2S = KHS + Al(OH)3 + H2O
Li2O + MgCl2 = MgO + LiCl =>
Li2O + MgCl2 = MgO + 2 LiCl
Na2SO4 + KCI = K2SO4 + NaCI =>
Na2SO4 + 2 KCI = K2SO4 + 2 NaCI
MgB2 + HCl = B4H10 + MgCl2 + Cl2 =>
2 MgB2 + 10 HCl = B4H10 + 2 MgCl2 + 3 Cl2
Fe3 = Fe2 =>
2 Fe3 = 3 Fe2
Li2Cr2O7 + FeSO4 + H2SO4 = H2O + Fe2(SO4)3 + Li2SO4 + Cr2(SO4)3 =>
Li2Cr2O7 + 6 FeSO4 + 7 H2SO4 = 7 H2O + 3 Fe2(SO4)3 + Li2SO4 + Cr2(SO4)3
Fe{3+} + I{-} = Fe{2+} + I2 =>
2 Fe{3+} + 2 I{-} = 2 Fe{2+} + I2
Na2CO3 + CH3CH2COOH = CH3CH2COONa + H2O + CO2 =>
Na2CO3 + 2 CH3CH2COOH = 2 CH3CH2COONa + H2O + CO2
Br2 + NaCl = BrNaCl =>
Br2 + 2 NaCl = 2 BrNaCl
Ca2Si + Cl2 = CaCl2 + SiCl =>
2 Ca2Si + 5 Cl2 = 4 CaCl2 + 2 SiCl
Pb + (OH) = Pb(OH)4 =>
Pb + 4(OH) = Pb(OH)4
HCl + SO2 + CO2 = H2O + CS + Cl =>
8 HCl + SO2 + CO2 = 4 H2O + CS + 8 Cl
Na + As = Na3As =>
3 Na + As = Na3As
Fe{3+} + I{-} = Fe{2+} + I2 =>
2 Fe{3+} + 2 I{-} = 2 Fe{2+} + I2
Cr(OH)3 + O2 + KOH = K2CrO4 + H2O =>
4 Cr(OH)3 + 3 O2 + 8 KOH = 4 K2CrO4 + 10 H2O
Cu2SO4 + BaCl = BaSO4 + Cu2Cl =>
Cu2SO4 + BaCl = BaSO4 + Cu2Cl
SnS3 + H2SO4 = SnSO4 + H2O + S =>
3 SnS3 + 4 H2SO4 = 3 SnSO4 + 4 H2O + 10 S
Al + O = AlO =>
Al + O = AlO
HBr + K2S = KBr(aq) + H2S(g) =>
2 HBr + K2S = 2 KBr(aq) + H2S(g)
Ar + CuO = Cu(Ar)O =>
Ar + CuO = Cu(Ar)O
Sb(NO3)3 + H2SO4 = Sb2(SO4)3 + HNO3 =>
2 Sb(NO3)3 + 3 H2SO4 = Sb2(SO4)3 + 6 HNO3
Pb(NO3)2 + H2O2 + NaOH = PbO2 + NaNO3 + H2O =>
Pb(NO3)2 + H2O2 + 2 NaOH = PbO2 + 2 NaNO3 + 2 H2O
Fe{3+} + I{-} = Fe{2+} + I2 =>
2 Fe{3+} + 2 I{-} = 2 Fe{2+} + I2
NaS + KOH = NaOH + SK =>
NaS + KOH = NaOH + SK
PbS + Al + NaOH + H2O = Pb + H2S + NaAlO2 =>
3 PbS + 2 Al + 2 NaOH + 2 H2O = 3 Pb + 3 H2S + 2 NaAlO2
CuSO4 + SIO2 = CuSIO3 + SO3 =>
CuSO4 + SIO2 = CuSIO3 + SO3
Ca(Cl)2 + Na2CO3 = NaCl + CaCO3 =>
Ca(Cl)2 + Na2CO3 = 2 NaCl + CaCO3
KH4F2 = KF + H2 + F2 =>
2 KH4F2 = 2 KF + 4 H2 + F2
V + MnO2 = Mn + VO =>
2 V + MnO2 = Mn + 2 VO
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur02/20/24
Équations équilibrées sur03/21/23
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