| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 H2 + O2 = 2 H2O
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
CH3OH(l) + O2(g) = CO2(g) + H2O(l) =>
2 CH3OH(l) + 3 O2(g) = 2 CO2(g) + 4 H2O(l)
Fe(NO3)3 = Fe2O3 + NO2 + O2 =>
4 Fe(NO3)3 = 2 Fe2O3 + 12 NO2 + 3 O2
CAS + O2 = CAO + SO2 =>
2 CAS + 3 O2 = 2 CAO + 2 SO2
Cr(OH)2 = CrO + H2O =>
Cr(OH)2 = CrO + H2O
Na(s) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
MnO2(s) + HCl(aq) = MnCl2(s) + Cl2(g) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = MnCl2(s) + Cl2(g) + 2 H2O(l)
FeS2 + O2 = SO2 + Fe2O3 =>
4 FeS2 + 11 O2 = 8 SO2 + 2 Fe2O3
K2Cr2O7 + KI + H2SO4 = K2SO4 + Cr2(SO4)3 + I + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = 4 K2SO4 + Cr2(SO4)3 + 6 I + 7 H2O
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
CrO3 = Cr2O3 + O2 =>
4 CrO3 = 2 Cr2O3 + 3 O2
NH3(aq) + HCl(aq) = NH4Cl(aq) =>
NH3(aq) + HCl(aq) = NH4Cl(aq)
P4O10 + H2O = H4P2O7 =>
P4O10 + 4 H2O = 2 H4P2O7
AgNO3(aq) + Cu(s) = Ag(s) + Cu(NO3)2(aq) =>
2 AgNO3(aq) + Cu(s) = 2 Ag(s) + Cu(NO3)2(aq)
Ba(No3)2 + Na2So4 = BaSo4 + NaNo3 =>
Ba(No3)2 + Na2So4 = BaSo4 + 2 NaNo3
NaOH + S = Na2S + Na2SO3 + H2O =>
6 NaOH + 3 S = 2 Na2S + Na2SO3 + 3 H2O
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
AgNO3(aq) + CaCl2(aq) = AgCl(s) + Ca(NO3)2(aq) =>
2 AgNO3(aq) + CaCl2(aq) = 2 AgCl(s) + Ca(NO3)2(aq)
K + HOH = H2 + KOH =>
2 K + 2 HOH = H2 + 2 KOH
FE(OH)3 + KOH = KFEO2 + H2O =>
FE(OH)3 + KOH = KFEO2 + 2 H2O
LiNO3(s) = LiNO2(s) + O2(g) =>
2 LiNO3(s) = 2 LiNO2(s) + O2(g)
Cr2O3 + KNO3 + KOH = K2CrO4 + KNO2 + H2O =>
Cr2O3 + 3 KNO3 + 4 KOH = 2 K2CrO4 + 3 KNO2 + 2 H2O
AgNo3 + BaCl2 = AgCl + Ba(No3)2 =>
2 AgNo3 + BaCl2 = 2 AgCl + Ba(No3)2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
H2SO3 = SO2 + H2O =>
H2SO3 = SO2 + H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
HCN + NAOH = NACN + H2O =>
HCN + NAOH = NACN + H2O
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Sn(s) + P(s) = Sn3P2(s) =>
3 Sn(s) + 2 P(s) = Sn3P2(s)
KOH + B2O3 = K3BO3 + H2O =>
6 KOH + B2O3 = 2 K3BO3 + 3 H2O
Fe + HBr = H2 + FeBr2 =>
Fe + 2 HBr = H2 + FeBr2
Fe(s) + Cu(No3)2(aq) = Fe(No3)2(aq) + Cu(s) =>
Fe(s) + Cu(No3)2(aq) = Fe(No3)2(aq) + Cu(s)
HBr + NH3 = NH4Br =>
HBr + NH3 = NH4Br
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Pb(NO3)2(aq) + KI(aq) = PbI2(s) + KNO3(aq) =>
Pb(NO3)2(aq) + 2 KI(aq) = PbI2(s) + 2 KNO3(aq)
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Al + H2SO4 = H2 + AlSO4 =>
Al + H2SO4 = H2 + AlSO4
MgCO3 = MgO + CO2 =>
MgCO3 = MgO + CO2
NH4Cl(s) = NH4Cl(aq) =>
NH4Cl(s) = NH4Cl(aq)
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
Cu2S + O2 = Cu2O + S02 =>
2 Cu2S + O2 = 2 Cu2O + S02
H2C2O4 + CaCl2 = CaC2O4 + HCl =>
H2C2O4 + CaCl2 = CaC2O4 + 2 HCl
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
HCl + AgNO3 = AgCl + HNO3 =>
HCl + AgNO3 = AgCl + HNO3
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur09/11/17
Équations équilibrées sur10/11/16
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