| Équations équilibrées la veille |
4 NH3 + 5 O2 = 4 NO + 6 H2O
ClAl = Al + Cl2 =>
2 ClAl = 2 Al + Cl2
H2SO4 + Al(HO)3 = Al2(SO4)3 + H2O =>
3 H2SO4 + 2 Al(HO)3 = Al2(SO4)3 + 6 H2O
Na2CO3 + Ca(ClO4)2 = NaClO4 + CaCO3 =>
Na2CO3 + Ca(ClO4)2 = 2 NaClO4 + CaCO3
Zn(OH)2 + HNO2 = Zn(NO3)2 + H2 =>
Zn(OH)2 + 2 HNO2 = Zn(NO3)2 + 2 H2
Cr2(SO4)3 + K2CO3 = (SO4)3K2 + CO3Cr2 =>
Cr2(SO4)3 + K2CO3 = (SO4)3K2 + CO3Cr2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Co{+2} + BrO{-}1 + H{+} = Co{+3} + Br2 + H2O =>
2 Co{+2} + 2 BrO{-}1 + 4 H{+} = 2 Co{+3} + Br2 + 2 H2O
H2 + N2 + O3 = HNO3 =>
H2 + N2 + 2 O3 = 2 HNO3
C7H6O2 + HCO3{-} = C7H5O2{-} + H2O + CO2 =>
C7H6O2 + HCO3{-} = C7H5O2{-} + H2O + CO2
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
O2 + SbS3 = Sb2O4 + SO2 =>
8 O2 + 2 SbS3 = Sb2O4 + 6 SO2
FeO + CO = Fe + CO2 =>
FeO + CO = Fe + CO2
KClO3 + FeCl2 + HCl = KCl + FeCl3 + H2O =>
KClO3 + 6 FeCl2 + 6 HCl = KCl + 6 FeCl3 + 3 H2O
RbOH + H2SO4 = H2O + Rb2SO4 =>
2 RbOH + H2SO4 = 2 H2O + Rb2SO4
Mn(OH)2 + K2S2O8 + H2O = KMnO4 + K2SO4 + H2SO4 =>
2 Mn(OH)2 + 5 K2S2O8 + 4 H2O = 2 KMnO4 + 4 K2SO4 + 6 H2SO4
K2SeO4 + Ca5 = CaSeO4 + K25 =>
25 K2SeO4 + 5 Ca5 = 25 CaSeO4 + 2 K25
Fe2S3 + AgNO3 = Ag2S + Fe(NO3)3 =>
Fe2S3 + 6 AgNO3 = 3 Ag2S + 2 Fe(NO3)3
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
Fe + Pb3O4 = FeO + Pb =>
4 Fe + Pb3O4 = 4 FeO + 3 Pb
FeSO3 + HNO3 = Fe(NO3)3 + SO2 + N2O + H2O =>
8 FeSO3 + 26 HNO3 = 8 Fe(NO3)3 + 8 SO2 + N2O + 13 H2O
MnO2 + KNO3 = K2MnO4 + NO2 =>
MnO2 + 2 KNO3 = K2MnO4 + 2 NO2
NH4Cl(aq) + CaO(s) = NH3(aq) + H2O() + CaCl2(aq) =>
2 NH4Cl(aq) + CaO(s) = 2 NH3(aq) + H2O() + CaCl2(aq)
Pb(NO3)2K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2K2CrO4 = PbCrO4 + 2 KNO3
Ba(ClO4)2 + CuSO4 = BaSO4 + Cu(ClO4)2 =>
Ba(ClO4)2 + CuSO4 = BaSO4 + Cu(ClO4)2
NF + NaOH = NOH + NaF =>
NF + NaOH = NOH + NaF
NaI(aq) + Hg2(C2H3O2)2(aq) = Hg2I(s) + Na(C2H3O2)2(aq) =>
NaI(aq) + Hg2(C2H3O2)2(aq) = Hg2I(s) + Na(C2H3O2)2(aq)
Fe + H2SO3 = Fe2(SO3)2 + H2 =>
2 Fe + 2 H2SO3 = Fe2(SO3)2 + 2 H2
O2 + H2O + NO2 = HNO3 =>
O2 + 2 H2O + 4 NO2 = 4 HNO3
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
Ni(OH)2 + F2 = F{-} + NiO2 + H{+} =>
Ni(OH)2 + F2 = 2 F{-} + NiO2 + 2 H{+}
C18H32O2 + O2 = CO2 + H2O =>
C18H32O2 + 25 O2 = 18 CO2 + 16 H2O
KNO3 + H2O = KOH + HNO3 =>
KNO3 + H2O = KOH + HNO3
CdCO3(calor) = CdO + CO2 =>
CdCO3(calor) = CdO + CO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Pb(NO3)2(aq) + KOH(aq) = Pb(OH)2 + K(NO3) =>
Pb(NO3)2(aq) + 2 KOH(aq) = Pb(OH)2 + 2 K(NO3)
Zn(OH)2 + HNO2 = Zn(NO3)2 + H2 =>
Zn(OH)2 + 2 HNO2 = Zn(NO3)2 + 2 H2
Mg + HClO3 = Mg(ClO3)2 + MgCl2 + H2O =>
6 Mg + 12 HClO3 = 5 Mg(ClO3)2 + MgCl2 + 6 H2O
SbI5 = SbI3 + I2 =>
SbI5 = SbI3 + I2
Mg(NO3)2 + ZnS = Zn(NO3)2 + MgS =>
Mg(NO3)2 + ZnS = Zn(NO3)2 + MgS
HNO3 + Ca = Ca2NO3 + H2 =>
2 HNO3 + 4 Ca = 2 Ca2NO3 + H2
C8H7ClO2 + O2 = CO2 + H2O + HCl =>
2 C8H7ClO2 + 17 O2 = 16 CO2 + 6 H2O + 2 HCl
NaOH + CuSO4 + C2H5OH = Cu2O + H2O + Na2SO4 + CH3COOH =>
8 NaOH + 4 CuSO4 + C2H5OH = 2 Cu2O + 5 H2O + 4 Na2SO4 + CH3COOH
HCl + MnO2 = Cl2MnCl2 + H2O =>
4 HCl + MnO2 = Cl2MnCl2 + 2 H2O
AtH + BLi = AtLi + BH =>
AtH + BLi = AtLi + BH
K2CrO4 + NaOH = KOH + Na2CrO4 =>
K2CrO4 + 2 NaOH = 2 KOH + Na2CrO4
Au(OH) + HCl = AuCl + H2O =>
Au(OH) + HCl = AuCl + H2O
FeCl + K4[Fe(CN)6] = KCl + Fe4[Fe(CN)6] =>
4 FeCl + K4[Fe(CN)6] = 4 KCl + Fe4[Fe(CN)6]
CaO(s) + P4O10(s) = Ca3(PO4)2(s) =>
6 CaO(s) + P4O10(s) = 2 Ca3(PO4)2(s)
NaOH + CuSO4 + C2H5OH = Cu2O + H2O + Na2SO4 + CH3COOH =>
8 NaOH + 4 CuSO4 + C2H5OH = 2 Cu2O + 5 H2O + 4 Na2SO4 + CH3COOH
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Équations équilibrées sur10/18/24
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