| Équations équilibrées la veille |
10 KBr + 2 KMnO4 + 8 H2CO3 = 6 K2CO3 + 2 MnCO3 + 5 Br2 + 8 H2O
Cu(H2O) + NH3 = Cu(NH3)4 + H2O =>
Cu(H2O) + 4 NH3 = Cu(NH3)4 + H2O
Si + FeO = FeSi + SiO2 =>
3 Si + 2 FeO = 2 FeSi + SiO2
AgNO3 + H2SO4 = Ag2SO4 + HNO3 =>
2 AgNO3 + H2SO4 = Ag2SO4 + 2 HNO3
K2CO3 + Nb2O5 = KNbO3 + CO2 =>
K2CO3 + Nb2O5 = 2 KNbO3 + CO2
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
CHCH + KMnO4 + KOH = COOKCOOK + K2MnO4 + H2O =>
CHCH + 8 KMnO4 + 10 KOH = COOKCOOK + 8 K2MnO4 + 6 H2O
Cu + S8 = Cu2S =>
16 Cu + S8 = 8 Cu2S
Na2CO3(s)*5H2O + HCl(aq) = NaCl(aq) + CO2(g) + H2O(l) =>
Na2CO3(s)*5H2O + 2 HCl(aq) = 2 NaCl(aq) + CO2(g) + 6 H2O(l)
CH3CH2CH3 = CH3CHCH2 + H2 =>
CH3CH2CH3 = CH3CHCH2 + H2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
Ba(OH)2 + NH4C2H3O2 = Ba(C2H3O2)2 + OHNH4 =>
Ba(OH)2 + 2 NH4C2H3O2 = Ba(C2H3O2)2 + 2 OHNH4
CaAl2Si2O7(OH)2H2O = Ca3Al2Si3O12 + Al2SiO5 + SiO2 + H2O =>
3 CaAl2Si2O7(OH)2H2O = Ca3Al2Si3O12 + 2 Al2SiO5 + SiO2 + 6 H2O
MgBr2 + NaOH = Mg(OH)2 + NaBr =>
MgBr2 + 2 NaOH = Mg(OH)2 + 2 NaBr
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
(NH4)SO4 + NaOH = NH4OH + Na2 + SO4 =>
2(NH4)SO4 + 2 NaOH = 2 NH4OH + Na2 + 2 SO4
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Pb + AgNO3 = Pb(NO3)2 + Ag =>
Pb + 2 AgNO3 = Pb(NO3)2 + 2 Ag
RbNO3 + BeF2 = Be(NO3)2 + RbF =>
2 RbNO3 + BeF2 = Be(NO3)2 + 2 RbF
Pb + Cl2 = PbCl2 =>
Pb + Cl2 = PbCl2
CoSO4(H2O)7 + C2H4(NH2)2 + HCl + O2 = Co(C2H4(NH2)2)3SO4Cl + H2O =>
4 CoSO4(H2O)7 + 12 C2H4(NH2)2 + 4 HCl + O2 = 4 Co(C2H4(NH2)2)3SO4Cl + 30 H2O
Cu + H{+} + NO3{-} = Cu{2+} + NO2 + H2O =>
Cu + 4 H{+} + 2 NO3{-} = Cu{2+} + 2 NO2 + 2 H2O
PCl5 + Na2CO3 = NaCl + P2(CO3)5 =>
2 PCl5 + 5 Na2CO3 = 10 NaCl + P2(CO3)5
(NH4)2SO4 + NaOH = NH3 + H2O + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO4
Na + F2 = NaF =>
2 Na + F2 = 2 NaF
CaF2 + La2Si2O7 = CaO + LaF3 + SiO2 =>
3 CaF2 + La2Si2O7 = 3 CaO + 2 LaF3 + 2 SiO2
NaBrO3 + HCl = Br2 + Cl2 + H2O + NaCl =>
2 NaBrO3 + 12 HCl = Br2 + 5 Cl2 + 6 H2O + 2 NaCl
Mg + AlCl3 = MgCl2 + Al =>
3 Mg + 2 AlCl3 = 3 MgCl2 + 2 Al
AgNO3 + Ca(OH)2 = Ag2O + Ca(NO3)2 + H2O =>
2 AgNO3 + Ca(OH)2 = Ag2O + Ca(NO3)2 + H2O
KCl + F2 = KF + Cl2 =>
2 KCl + F2 = 2 KF + Cl2
Cu(OH)2 = (t)CuO + H2O =>
Cu(OH)2 = (t)CuO + H2O
Ba(H2PO4)2 + Ba(OH)2 = Ba3(PO4)2 + H2O =>
Ba(H2PO4)2 + 2 Ba(OH)2 = Ba3(PO4)2 + 4 H2O
KHO3 = H + KO3 =>
KHO3 = H + KO3
ZnSO4 + H2S + H2O = Zn + H2SO4 =>
4 ZnSO4 + H2S + 4 H2O = 4 Zn + 5 H2SO4
K2O + CaO = CaK + O =>
K2O + 2 CaO = 2 CaK + 3 O
NaCl + Fe(OH)3 = NaOH + FeCl3 =>
3 NaCl + Fe(OH)3 = 3 NaOH + FeCl3
Hg + K2Cr2O7 + H2O = Hg2O + CrO2 + KOH =>
4 Hg + K2Cr2O7 + H2O = 2 Hg2O + 2 CrO2 + 2 KOH
Cu(NO3)2*25H2O + NaOH = Cu(OH)2 + NaNO3 + H2O =>
Cu(NO3)2*25H2O + 2 NaOH = Cu(OH)2 + 2 NaNO3 + 25 H2O
SO2 + H2 = S2 + H2O =>
2 SO2 + 4 H2 = S2 + 4 H2O
Br + H2 = HBr =>
2 Br + H2 = 2 HBr
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
SnO + O3 = SnO4 =>
SnO + O3 = SnO4
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
KF + Al2O3 = K2O + AlF3 =>
6 KF + Al2O3 = 3 K2O + 2 AlF3
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
HCl + CO2 = CO2(HCl)2 =>
2 HCl + CO2 = CO2(HCl)2
HClO4 + Pd(OH)4 = Pd(ClO4)4 + H2O =>
4 HClO4 + Pd(OH)4 = Pd(ClO4)4 + 4 H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
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