| Équations équilibrées la veille | Équations équilibrées le lendemain |
NCl3 + 3 H2O = H3NO3 + 3 HCl
Na2C2O4 + Ca(C2H3O2)2 = NaC2H3O2 + CaC2O4 =>
Na2C2O4 + Ca(C2H3O2)2 = 2 NaC2H3O2 + CaC2O4
KNO2 + H2SO4 = K2SO4 + HNO3 + NO + H2O =>
6 KNO2 + 3 H2SO4 = 3 K2SO4 + 2 HNO3 + 4 NO + 2 H2O
Ca(NO3)2 + (NH4)2HPO4 + C6H8O7 = Ca10(PO4)6(OH)2 + CO2 + NH3 + H2O =>
90 Ca(NO3)2 + 54(NH4)2HPO4 + 80 C6H8O7 = 9 Ca10(PO4)6(OH)2 + 480 CO2 + 288 NH3 + 122 H2O
Cr2(SO4)3 + NH3H2O = (NH4)2SO4 + Cr(OH)3 =>
Cr2(SO4)3 + 6 NH3H2O = 3(NH4)2SO4 + 2 Cr(OH)3
K2Cr2O7 + CH2O + HCl = CrCl3 + CO2 + KCl + H2O =>
2 K2Cr2O7 + 3 CH2O + 16 HCl = 4 CrCl3 + 3 CO2 + 4 KCl + 11 H2O
Cr2(SO3)3 + H2(SO4) = Cr2(SO4)3 + H2SO3 =>
Cr2(SO3)3 + 3 H2(SO4) = Cr2(SO4)3 + 3 H2SO3
HNO2 + H2S = S + NO + H2O =>
2 HNO2 + H2S = S + 2 NO + 2 H2O
KMnO4 + FeSO4 + H2O = MnO2 + Fe2(SO4)3 + Fe(OH)3 + KOH =>
KMnO4 + 3 FeSO4 + 2 H2O = MnO2 + Fe2(SO4)3 + Fe(OH)3 + KOH
C2H5OH + NaHCO3 = C2H5ONa + H2O + CO2 =>
C2H5OH + NaHCO3 = C2H5ONa + H2O + CO2
Pb + CaBr2 = PbBr4 + Ca =>
Pb + 2 CaBr2 = PbBr4 + 2 Ca
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CH2CHCH3 + H2O = CH3CH2CH2OH =>
CH2CHCH3 + H2O = CH3CH2CH2OH
Cu(OH)2 + HNO3 = Cu(NO3)3 + N2O + H2O =>
8 Cu(OH)2 + 26 HNO3 = 8 Cu(NO3)3 + N2O + 21 H2O
MgCI2 + Ca = CaCI2 + Mg =>
MgCI2 + Ca = CaCI2 + Mg
NaOH + NHO3 = NaNO3 + H2O =>
NaOH + NHO3 = NaNO3 + H2O
FeCl3 + KOH = Fe(OH)3 + KCl* =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl*
C2H5OH + NaHCO3 = C2H3NaO2 + CO2 + H2O =>
2 C2H5OH + 3 NaHCO3 = 3 C2H3NaO2 + CO2 + 3 H2O
CH3OH + BF3 = CH3O + BF3H =>
CH3OH + BF3 = CH3O + BF3H
Na2MnO4 + HCl = MnCl2 + Cl2 + NaCl + H2O =>
Na2MnO4 + 8 HCl = MnCl2 + 2 Cl2 + 2 NaCl + 4 H2O
HCl(aq) + KOH(aq) = KCl(aq) + H2O(l) =>
HCl(aq) + KOH(aq) = KCl(aq) + H2O(l)
AlCl3(aq) + Na2CO3(aq) = Al2(CO3)3 + NaCl =>
2 AlCl3(aq) + 3 Na2CO3(aq) = Al2(CO3)3 + 6 NaCl
AgF + Cr = CrF2 + Ag =>
2 AgF + Cr = CrF2 + 2 Ag
C2H5NH2 = C2H5 + NH2 =>
C2H5NH2 = C2H5 + NH2
Br2O3 = Br + O =>
Br2O3 = 2 Br + 3 O
Cu(s) + HSO4(aq) = CuSO4(s) + H2O(l) + SO2(aq) =>
3 Cu(s) + 4 HSO4(aq) = 3 CuSO4(s) + 2 H2O(l) + SO2(aq)
H2SO4(aq) + NaOH = Na2SO4 + H2O(l) =>
H2SO4(aq) + 2 NaOH = Na2SO4 + 2 H2O(l)
C6H2(OH)3COOH + NaHCO3 = C6H2(OH)3COONa + CO2 + H2O =>
C6H2(OH)3COOH + NaHCO3 = C6H2(OH)3COONa + CO2 + H2O
H2SO4 + SO2 = H2(SO3)2 =>
H2SO4 + SO2 = H2(SO3)2
ZnBr2 + AgNO3 = Zn(NO3)2 + AgBr =>
ZnBr2 + 2 AgNO3 = Zn(NO3)2 + 2 AgBr
Fr + OH = Fr(OH) =>
Fr + OH = Fr(OH)
Ca(OH)2 + SO2 = CaSO3*H2O =>
Ca(OH)2 + SO2 = CaSO3*H2O
ZnSO4 + Na2CO3 + H2O = Zn(OH)2 + CO2 + Na2SO4 =>
ZnSO4 + Na2CO3 + H2O = Zn(OH)2 + CO2 + Na2SO4
Au + Li2S = Li + Au2S =>
2 Au + Li2S = 2 Li + Au2S
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
FeCl3 + KSCN + H2O = Fe2O3 + KCl + HSCN =>
2 FeCl3 + 6 KSCN + 3 H2O = Fe2O3 + 6 KCl + 6 HSCN
Ca(OH)2 + H2CO3 = CaCO3 + H2O =>
Ca(OH)2 + H2CO3 = CaCO3 + 2 H2O
COHCOH + [Ag(NH3)2]OH = COONH4COONH4 + Ag + NH3 + H2O =>
COHCOH + 4[Ag(NH3)2]OH = COONH4COONH4 + 4 Ag + 6 NH3 + 2 H2O
Ba + HNO3 = Ba(NO3)2 + H2O + NO2 =>
Ba + 4 HNO3 = Ba(NO3)2 + 2 H2O + 2 NO2
NH3 + KMnO4 + KOH = KNO3 + K2MnO4 + H2 =>
NH3 + 2 KMnO4 + 3 KOH = KNO3 + 2 K2MnO4 + 3 H2
Fe + Sn(SO4) = Sn + Fe2(SO4)3 =>
2 Fe + 3 Sn(SO4) = 3 Sn + Fe2(SO4)3
CHCl + O2 = CO2 + H2O + Cl =>
4 CHCl + 5 O2 = 4 CO2 + 2 H2O + 4 Cl
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
FeS + Na2CO3 = Fe2O3 + SO2 + Na + CO2 =>
2 FeS + 7 Na2CO3 = Fe2O3 + 2 SO2 + 14 Na + 7 CO2
Al(NO3)3 + K2C2O4 = Al2(C2O4)3 + KNO3 =>
2 Al(NO3)3 + 3 K2C2O4 = Al2(C2O4)3 + 6 KNO3
CH3CH2CH2CH2MgBr + H2O = CH3CH2CH2CH3 + HOMgBr =>
CH3CH2CH2CH2MgBr + H2O = CH3CH2CH2CH3 + HOMgBr
H2SO4 + Sr(OH)2 = H2O + SrSO4 =>
H2SO4 + Sr(OH)2 = 2 H2O + SrSO4
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
CH3CH(OH)CH2CH3 + O2 = CH3COCH2CH3 + H2O =>
2 CH3CH(OH)CH2CH3 + O2 = 2 CH3COCH2CH3 + 2 H2O
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