| Équations équilibrées la veille | Équations équilibrées le lendemain |
FeO + 4 HNO3 = Fe(NO3)3 + NO2 + 2 H2O
HCl + NH2 = NH4Cl2 =>
2 HCl + NH2 = NH4Cl2
CuS + HNO3 = Cu(NO3)2 + S + NO2 + H2O =>
CuS + 4 HNO3 = Cu(NO3)2 + S + 2 NO2 + 2 H2O
MgSO4 + H2SO4 = MgH2(SO4)2 =>
MgSO4 + H2SO4 = MgH2(SO4)2
NO3 + H2SO4 = HNO3 + SO4 =>
2 NO3 + H2SO4 = 2 HNO3 + SO4
SnCl4 + B = Sn + BCl3 =>
3 SnCl4 + 4 B = 3 Sn + 4 BCl3
NH4 + OH = NH4OH =>
NH4 + OH = NH4OH
C6H12 + MnO4 = C6H12O2 + MnO2 =>
C6H12 + MnO4 = C6H12O2 + MnO2
C6H9NO6 + NiCO3(H2O)4 = C6H7NNiO6 + CO2 + H2O =>
C6H9NO6 + NiCO3(H2O)4 = C6H7NNiO6 + CO2 + 5 H2O
BaCl2 + (NH4)2CO3 = BaCO3 + NH4Cl =>
BaCl2 + (NH4)2CO3 = BaCO3 + 2 NH4Cl
CaCO3 + CO2 = CaCO3CO2 =>
CaCO3 + CO2 = CaCO3CO2
I2 + Zn + C2H4O2 = ZnO + I2C2H3 + H2O =>
2 I2 + 3 Zn + 2 C2H4O2 = 3 ZnO + 2 I2C2H3 + H2O
Zn + Cl2 = Zn{2+} + Cl{-} =>
Zn + Cl2 = Zn{2+} + 2 Cl{-}
Na2CO3 + Cl2 = NaClO + NaCl + CO2 =>
Na2CO3 + Cl2 = NaClO + NaCl + CO2
MgI2 + H2O2 + H2SO4 = MgSO4 + I2 + H2O =>
MgI2 + H2O2 + H2SO4 = MgSO4 + I2 + 2 H2O
CH3CH2COOH + Zn = (CH3CH2COO)2Zn + H2 =>
2 CH3CH2COOH + Zn = (CH3CH2COO)2Zn + H2
(RCOO)3C3H5 + NaOH = C3H5(OH)3 + RCOONa =>
(RCOO)3C3H5 + 3 NaOH = C3H5(OH)3 + 3 RCOONa
NaCl + NaClO3 + H2O = Cl2 + Na(OH) =>
5 NaCl + NaClO3 + 3 H2O = 3 Cl2 + 6 Na(OH)
(NH4)2Cr2O7 + HBr = Br2 + CrBr3 + NH4Br + H2O =>
(NH4)2Cr2O7 + 14 HBr = 3 Br2 + 2 CrBr3 + 2 NH4Br + 7 H2O
Pb(No3)2(aq) + K2Co3(aq) = PbCo3(s) + KNo3(s) =>
Pb(No3)2(aq) + K2Co3(aq) = PbCo3(s) + 2 KNo3(s)
SiHCl3 + H2O = SiO2 + H2 + Cl2 =>
2 SiHCl3 + 4 H2O = 2 SiO2 + 5 H2 + 3 Cl2
C2H4O2 + NaCl = C2H4Cl + NaO2 =>
C2H4O2 + NaCl = C2H4Cl + NaO2
KMnO4 + H2C2O4 + H2SO4 = MnSO4 + K2SO + CO2 + H2O =>
2 KMnO4 + 8 H2C2O4 + 3 H2SO4 = 2 MnSO4 + K2SO + 16 CO2 + 11 H2O
NH4Al(SO4)2 + NH4NO3 + HNO3 = NH4HSO4 + Al(NO3)3 =>
NH4Al(SO4)2 + NH4NO3 + 2 HNO3 = 2 NH4HSO4 + Al(NO3)3
Ca + Na2O = Na + CaO =>
Ca + Na2O = 2 Na + CaO
K2SO4 + Ca(CIO)2 = KCIO + CaSO4 =>
K2SO4 + Ca(CIO)2 = 2 KCIO + CaSO4
CH3CHCH2 + K2Cr2O7 + H2SO4 = CH3(CO)CH2CH3 + Cr2(SO4)3 + K2SO2 + H2O =>
20 CH3CHCH2 + 3 K2Cr2O7 + 12 H2SO4 = 15 CH3(CO)CH2CH3 + 3 Cr2(SO4)3 + 3 K2SO2 + 12 H2O
K3[Al(OH)6] + HCl = AlCl3 + KOH + H2O =>
K3[Al(OH)6] + 3 HCl = AlCl3 + 3 KOH + 3 H2O
LiCH3 + HgCl2 = Hg(CH3)2 + LiCl =>
2 LiCH3 + HgCl2 = Hg(CH3)2 + 2 LiCl
C2H4(OH)2 + K2Cr2O7 + H2SO4 = C6H4O2 + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H4(OH)2 + K2Cr2O7 + 4 H2SO4 = C6H4O2 + Cr2(SO4)3 + K2SO4 + 11 H2O
K2SO4 + PB(NO3)2 = K2(NO3)2 + PBSO4 =>
K2SO4 + PB(NO3)2 = K2(NO3)2 + PBSO4
H2Se + H2O = H2SeO3 + H2 =>
H2Se + 3 H2O = H2SeO3 + 3 H2
Ca(OH)2 + NaOH + C + ClO2 = CaCO3 + NaClO2 + H2O =>
Ca(OH)2 + 4 NaOH + C + 4 ClO2 = CaCO3 + 4 NaClO2 + 3 H2O
H2C2O4*2H2O + KMnO4 = CO2 + H2O + K2C2O4 + MnC2O4 =>
8 H2C2O4*2H2O + 2 KMnO4 = 10 CO2 + 24 H2O + K2C2O4 + 2 MnC2O4
CuO + BaCl2 = CuCl + BaO2 =>
2 CuO + BaCl2 = 2 CuCl + BaO2
Mn(NO3)2 = MnO2 + N2 + O2 =>
Mn(NO3)2 = MnO2 + N2 + 2 O2
C4H6O2 + O2 = CO + H2O =>
2 C4H6O2 + 5 O2 = 8 CO + 6 H2O
Cl2O7 + Fe(OH)2 = Fe(ClO4)2 + H2O =>
Cl2O7 + Fe(OH)2 = Fe(ClO4)2 + H2O
ZnO + H3O = Zn + H2O =>
ZnO + 2 H3O = Zn + 3 H2O
FeCl2 + K3Fe(CN)6 = KCl + KFe[Fe(CN)6] =>
FeCl2 + K3Fe(CN)6 = 2 KCl + KFe[Fe(CN)6]
FeAg + Cl2 = FeCl2 + Ag =>
FeAg + Cl2 = FeCl2 + Ag
Al(ClO3)3 + (NH4)2SO4 = Al2(SO4)3 + ClO3NH4 =>
2 Al(ClO3)3 + 3(NH4)2SO4 = Al2(SO4)3 + 6 ClO3NH4
CoSO4 + K2S = CoS + K2SO4 =>
CoSO4 + K2S = CoS + K2SO4
K2CO3 + CO2 + H2O = KHCO3 =>
K2CO3 + CO2 + H2O = 2 KHCO3
COHCH2CH2COH + (Ag(NH3)2)OH = Ag + NH3 + H2O + COONH4CH2CH2COONH4 =>
COHCH2CH2COH + 4(Ag(NH3)2)OH = 4 Ag + 6 NH3 + 2 H2O + COONH4CH2CH2COONH4
Fe{2-}O{3+} + H{2} = Fe + H{2-}O =>
2 Fe{2-}O{3+} + H{2} = 2 Fe + H{2-}O
Zn(OH)2 + Ni(OH)2 = Ni[Zn(OH)4] =>
Zn(OH)2 + Ni(OH)2 = Ni[Zn(OH)4]
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
CoSO4 + K2S = CoS + K2SO4 =>
CoSO4 + K2S = CoS + K2SO4
ZnSO4 + (NH4)2S = (NH4)2SO4 + ZnS =>
ZnSO4 + (NH4)2S = (NH4)2SO4 + ZnS
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Équations équilibrées sur12/24/24
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