| Équations équilibrées la veille |
2 C2H5COOH + 7 HNO3 = 3 CH3COO + 5 H2O + 7 NO2
CaBr2(aq) + KI(aq) = KBr(aq) + CaI2(aq) =>
CaBr2(aq) + 2 KI(aq) = 2 KBr(aq) + CaI2(aq)
NO3 + Zn = Zn(NO3)2 =>
2 NO3 + Zn = Zn(NO3)2
Fe(SO4)3 = Fe + SO4 =>
Fe(SO4)3 = Fe + 3 SO4
KNO2 + HCl = KCl + H2O + NO2 + NO =>
2 KNO2 + 2 HCl = 2 KCl + H2O + NO2 + NO
Al(NO3)3 + Mg(NO3)2 + SiC + O2 = MgAl2O4 + Si(NO3)2 + CO =>
2 Al(NO3)3 + Mg(NO3)2 + 4 SiC + 4 O2 = MgAl2O4 + 4 Si(NO3)2 + 4 CO
NH4Cl + H3AsO4 = N2 + As + H2O + HCl =>
10 NH4Cl + 6 H3AsO4 = 5 N2 + 6 As + 24 H2O + 10 HCl
HPO4 + Ni = Ni(PO4)2 + H2 =>
2 HPO4 + Ni = Ni(PO4)2 + H2
NaOH + Ca(OH)2 + C + ClO2 = Na(ClO2) + Ca2(CO3) + H2O =>
2 NaOH + 2 Ca(OH)2 + C + 2 ClO2 = 2 Na(ClO2) + Ca2(CO3) + 3 H2O
NH4Br + Pb(C2H3O2)2 = PbBr2 + NH4CH3CO2 =>
2 NH4Br + Pb(C2H3O2)2 = PbBr2 + 2 NH4CH3CO2
MgCl2 + Na2S = Mg + Na2Cl2 + S =>
MgCl2 + Na2S = Mg + Na2Cl2 + S
Au + HCl + HNO3 = NOCl + HAuCl4 + H2O =>
2 Au + 11 HCl + 3 HNO3 = 3 NOCl + 2 HAuCl4 + 6 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
C2H5OH + O = C2H4O + H2O =>
C2H5OH + O = C2H4O + H2O
NaC2H3O2 + HBr = NaBr + C2H4O2 =>
NaC2H3O2 + HBr = NaBr + C2H4O2
BeO + C + Cl2 = BeCl2 + CO =>
BeO + C + Cl2 = BeCl2 + CO
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
NaCl + Sr(NO3)2 = NaNO3 + SrCl2 =>
2 NaCl + Sr(NO3)2 = 2 NaNO3 + SrCl2
Ca(ClO3)2 + HI = CaCl2 + I2 + H2O =>
Ca(ClO3)2 + 12 HI = CaCl2 + 6 I2 + 6 H2O
MnCl2 + Al = Mn + AlCl3 = =>
3 MnCl2 + 2 Al = 3 Mn + 2 AlCl3
FeCl3 + K2C2O4 = Fe2(C2O4)3 + KCl =>
2 FeCl3 + 3 K2C2O4 = Fe2(C2O4)3 + 6 KCl
C6H4O2 + O2 = H2O + CO6 =>
C6H4O2 + 18 O2 = 2 H2O + 6 CO6
RbF + CuSO4 = RbSO4 + FCu =>
RbF + CuSO4 = RbSO4 + FCu
I2 + IO{3}{-} + H{+} + Cl{-} = ICl2{-} + H2O =>
2 I2 + IO{3}{-} + 2 H{+} + 10 Cl{-} = 5 ICl2{-} + H2O
NaAlSi3O8 + HCl = NaCl + AlCl3 + SiO2 + H2O =>
NaAlSi3O8 + 4 HCl = NaCl + AlCl3 + 3 SiO2 + 2 H2O
RbOH + H2SO4 = H2O + Rb2SO4 =>
2 RbOH + H2SO4 = 2 H2O + Rb2SO4
Pb + NaBr = PbBr3 + Na =>
Pb + 3 NaBr = PbBr3 + 3 Na
Mg(OH)2 + HNO3 = Mg(NO3)2 + H2O =>
Mg(OH)2 + 2 HNO3 = Mg(NO3)2 + 2 H2O
CaNO2 + MnBr = CaBr + MnNO2 =>
CaNO2 + MnBr = CaBr + MnNO2
C3H5(OH)3 + HBr = C3H5O3Br + H2 =>
C3H5(OH)3 + HBr = C3H5O3Br + 2 H2
Na2CO3 + KHSO4 = Na2SO4 + KHCO3 =>
Na2CO3 + KHSO4 = Na2SO4 + KHCO3
Sb2S5 + HNO3 = NO2 + H2O + H3SbO4 + H2SO4 =>
Sb2S5 + 40 HNO3 = 40 NO2 + 12 H2O + 2 H3SbO4 + 5 H2SO4
Fe{+3} + Sn{2+} = Fe{+2} + Sn{4+} =>
2 Fe{+3} + Sn{2+} = 2 Fe{+2} + Sn{4+}
MnCl = Cl + Mn =>
MnCl = Cl + Mn
(NH4)2MoO4 + HNO3 = H2MoO4 + NH4NO3 =>
(NH4)2MoO4 + 2 HNO3 = H2MoO4 + 2 NH4NO3
Zn(HCOO)2 + NaOH = Zn5(OH)6(HCOO)4 + NaHCOO =>
5 Zn(HCOO)2 + 6 NaOH = Zn5(OH)6(HCOO)4 + 6 NaHCOO
CuC2H3O2 + NaPO4 = CuPO4 + NaC2H3O2 =>
CuC2H3O2 + NaPO4 = CuPO4 + NaC2H3O2
LiOH + Na2S = NaOH + Li2S =>
2 LiOH + Na2S = 2 NaOH + Li2S
CuSO4 + N2H4 + KOH = Cu + N2 + K2SO4 + H2O =>
2 CuSO4 + N2H4 + 4 KOH = 2 Cu + N2 + 2 K2SO4 + 4 H2O
HNO3 + Cu2S = Cu(NO3)2 + H2O + NO + H2SO4 =>
22 HNO3 + 3 Cu2S = 6 Cu(NO3)2 + 8 H2O + 10 NO + 3 H2SO4
Co(BO2)2 + C = CoBO2 + B2O3 + CO =>
2 Co(BO2)2 + C = 2 CoBO2 + B2O3 + CO
(I){-} + (Cr2O7)2{-} + H{+} = I2 + (Cr)3{+} + H2O =>
154(I){-} + 6(Cr2O7)2{-} + 168 H{+} = 77 I2 + 8(Cr)3{+} + 84 H2O
Xe + OH = HXeO4 + H2O =>
Xe + 7 OH = HXeO4 + 3 H2O
H2 + Ta2O3 = Ta + H2O =>
3 H2 + Ta2O3 = 2 Ta + 3 H2O
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
S3N4 + O2 = SO2 + N2 =>
S3N4 + 3 O2 = 3 SO2 + 2 N2
CO2 + H2O + CaSiO3 = H4SiO4 + Ca{2+} + HCO3{-} =>
2 CO2 + 3 H2O + CaSiO3 = H4SiO4 + Ca{2+} + 2 HCO3{-}
La2O3 + HNO3 = LaNO3 + H2O + O2 =>
La2O3 + 2 HNO3 = 2 LaNO3 + H2O + O2
NaNO2 + K2Cr2O7 + H2SO4 = NaNO3 + K2SO4 + H2O + CrSO4 =>
4 NaNO2 + K2Cr2O7 + 3 H2SO4 = 4 NaNO3 + K2SO4 + 3 H2O + 2 CrSO4
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