| Équations équilibrées la veille |
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
CrO + O = Cr2O3 =>
2 CrO + O = Cr2O3
H2SiCl2 + H2O = H8Si4O4 + HCl =>
4 H2SiCl2 + 4 H2O = H8Si4O4 + 8 HCl
Na + MgCO3 = Na2CO3 + Mg =>
2 Na + MgCO3 = Na2CO3 + Mg
Fe(OH)3 + H2SO4 = (FeOH)SO4 + H2O =>
Fe(OH)3 + H2SO4 = (FeOH)SO4 + 2 H2O
Mg(HCO3)2 + Na2CO3 = MgCO3 + NaHCO3 =>
Mg(HCO3)2 + Na2CO3 = MgCO3 + 2 NaHCO3
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
H2SO4 + Na(OH)3 = Na2(SO4)3 + H2O =>
3 H2SO4 + 2 Na(OH)3 = Na2(SO4)3 + 6 H2O
R2S + T2 = R2T + S2 =>
2 R2S + T2 = 2 R2T + S2
C3H7ClNaOH = C3H6NaClH2O =>
C3H7ClNaOH = C3H6NaClH2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CH3CN + H2 = CH3CH2NH2 =>
CH3CN + 2 H2 = CH3CH2NH2
Fe(NH4)2(SO4)2 + H2O = (FeOH)2SO4 + NH4OH + H2SO4 =>
2 Fe(NH4)2(SO4)2 + 6 H2O = (FeOH)2SO4 + 4 NH4OH + 3 H2SO4
KAu(CN)2 + NaNO3 = NaCN + AuCN + KNO3 =>
KAu(CN)2 + NaNO3 = NaCN + AuCN + KNO3
Cu2 + O2 = CuO3 =>
Cu2 + 3 O2 = 2 CuO3
KOH + C8H5KO4 = K{+} + C8H4O4{2-} + H2O =>
KOH + C8H5KO4 = 2 K{+} + C8H4O4{2-} + H2O
Mn(OH)2 + Cl2 + KOH = MnO2 + KCl + H2O =>
Mn(OH)2 + Cl2 + 2 KOH = MnO2 + 2 KCl + 2 H2O
BaCO3 = BaO + CO2 =>
BaCO3 = BaO + CO2
KOH + C8H5KO4 = KC8H4KO4 + H2O =>
KOH + C8H5KO4 = KC8H4KO4 + H2O
K3PO4 + Sr(NO3)2 = Sr3(PO4)2 + KNO3 =>
2 K3PO4 + 3 Sr(NO3)2 = Sr3(PO4)2 + 6 KNO3
BaCO3 = BaO + CO2 =>
BaCO3 = BaO + CO2
L12 = L9 =>
3 L12 = 4 L9
CuSO4(aq) + KCl(aq) = CuCl2(s) + K2SO4(aq) =>
CuSO4(aq) + 2 KCl(aq) = CuCl2(s) + K2SO4(aq)
AlI3 + Cs = CsI + Al =>
AlI3 + 3 Cs = 3 CsI + Al
O4 = O5 =>
5 O4 = 4 O5
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
BaCO3 + HCl = BaCl2 + H2O + CO2 =>
BaCO3 + 2 HCl = BaCl2 + H2O + CO2
CuSO4(aq) + KCl(aq) = CuCl2 + K2SO4 =>
CuSO4(aq) + 2 KCl(aq) = CuCl2 + K2SO4
H2CO3(aq) + KOH(aq) = H2O + CO3HK =>
H2CO3(aq) + KOH(aq) = H2O + CO3HK
CaO + NaOH = CaOH + NaO =>
CaO + NaOH = CaOH + NaO
HCl + Zn(OH)2 = [Zn(OH)]Cl + H2O =>
HCl + Zn(OH)2 = [Zn(OH)]Cl + H2O
Mn2O3 + Al = Al2O3 + Mn =>
Mn2O3 + 2 Al = Al2O3 + 2 Mn
NH3 + HC2H3O2 = NH4C2H3O2 =>
NH3 + HC2H3O2 = NH4C2H3O2
CH3CH2CH2OH + K2Cr2O7 + HCl = CH3CH2CHO + KCl + CrCl + H2O =>
5 CH3CH2CH2OH + K2Cr2O7 + 4 HCl = 5 CH3CH2CHO + 2 KCl + 2 CrCl + 7 H2O
zinc + Pb(NO3)2 = Zn(NO3)2 + lead =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
C6H5CH2OH + K2Cr2O7 + H2SO4 = C6H5CHO + Cr2(SO4)3 + K2SO4 + H2O =>
3 C6H5CH2OH + K2Cr2O7 + 4 H2SO4 = 3 C6H5CHO + Cr2(SO4)3 + K2SO4 + 7 H2O
LiO2 + H2O = LiOH + O2 =>
4 LiO2 + 2 H2O = 4 LiOH + 3 O2
N2O4 + N2H8 = N4 + H2O =>
N2O4 + N2H8 = N4 + 4 H2O
MnO2(s) + HCl(ag) = MnCl2(s) + Cl2(g) + H2O(l) =>
MnO2(s) + 4 HCl(ag) = MnCl2(s) + Cl2(g) + 2 H2O(l)
KOH(aq) + Cu(NO3)2(aq) = KNO3(s) + Cu(OH)2(s) =>
2 KOH(aq) + Cu(NO3)2(aq) = 2 KNO3(s) + Cu(OH)2(s)
H8N8CeO18 + Cr2O3 = CrO9965 + H2O + NO + CeO2 =>
19927 H8N8CeO18 + 4 Cr2O3 = 8 CrO9965 + 79708 H2O + 159416 NO + 19927 CeO2
HgCl2 + Cu = Hg + Cl2Cu =>
HgCl2 + Cu = Hg + Cl2Cu
NO + Ca(OH)2 = NOH + CaO2 =>
2 NO + Ca(OH)2 = 2 NOH + CaO2
K2Cr2O7 + CaF2 + H2SO4 = CrO2F2 + CaSO4 + K2SO4 + H2O =>
K2Cr2O7 + 2 CaF2 + 3 H2SO4 = 2 CrO2F2 + 2 CaSO4 + K2SO4 + 3 H2O
NH4I + NaOH = NOH + NaH4I =>
NH4I + NaOH = NOH + NaH4I
N2O5 = N2 + O2 =>
2 N2O5 = 2 N2 + 5 O2
K2Cr2O7 + IK + H2SO4 = Cr2(SO4)3 + K2SO4 + I + H2O =>
K2Cr2O7 + 6 IK + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 6 I + 7 H2O
Co3O4 + HCl = CoCl2 + Cl + H2O =>
Co3O4 + 8 HCl = 3 CoCl2 + 2 Cl + 4 H2O
Hg + CaCl2 = HgCl + Ca =>
2 Hg + CaCl2 = 2 HgCl + Ca
CuO + C6H12O6 + NaOH + AlCl3 = CuAlO2 + NaCl + H2O + C6H12O7 =>
2 CuO + C6H12O6 + 6 NaOH + 2 AlCl3 = 2 CuAlO2 + 6 NaCl + 3 H2O + C6H12O7
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