| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ag(NO3)3 + FeCl3 = Fe(NO3)3 + AgCl3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
K2CrO4 + Pb(NO3)2 = KNO3 + PbCrO4 =>
K2CrO4 + Pb(NO3)2 = 2 KNO3 + PbCrO4
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Fe2O3 + C = CO + Fe =>
Fe2O3 + 3 C = 3 CO + 2 Fe
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
MgBr2 + K3PO4 = Mg3(PO4)2 + KBr =>
3 MgBr2 + 2 K3PO4 = Mg3(PO4)2 + 6 KBr
Cr2O3 + H3PO4 = CrPO4 + H2O =>
Cr2O3 + 2 H3PO4 = 2 CrPO4 + 3 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
MnO4{-} + H2S + H{+} = Mn2{+} + H2O + S =>
4 MnO4{-} + 13 H2S + 6 H{+} = 2 Mn2{+} + 16 H2O + 13 S
Ag(NO3) + FeCl3 = Fe(NO3)3 + AgCl =>
3 Ag(NO3) + FeCl3 = Fe(NO3)3 + 3 AgCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
Na + Cl = NaCl =>
Na + Cl = NaCl
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
Cu + NO3{-} + H{+} = Cu2{+} + NO2 + H2O =>
2 Cu + NO3{-} + 2 H{+} = Cu2{+} + NO2 + H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Zn + K2CrO4 + H2SO4 = Cr2(SO4)3 + ZnSO4 + K2SO4 + H2O =>
3 Zn + 2 K2CrO4 + 8 H2SO4 = Cr2(SO4)3 + 3 ZnSO4 + 2 K2SO4 + 8 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H3PO4 + NaOH = H2O + Na3PO4 =>
H3PO4 + 3 NaOH = 3 H2O + Na3PO4
Cu + NO3{-} + H{+} = Cu{2+} + NO2 + H2O =>
Cu + 2 NO3{-} + 4 H{+} = Cu{2+} + 2 NO2 + 2 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Na2SO4(aq) + NH3 = Na + (NH3)2SO4 =>
Na2SO4(aq) + 2 NH3 = 2 Na + (NH3)2SO4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
AgNO3 + Mg(OH)2 = Mg(NO3)2 + AgOH =>
2 AgNO3 + Mg(OH)2 = Mg(NO3)2 + 2 AgOH
Cr2O3 + HNO3 = Cr(NO3)3 + H2O =>
Cr2O3 + 6 HNO3 = 2 Cr(NO3)3 + 3 H2O
KMnO4 + H2S + HCl = MnCl2 + S + KCl + H2O =>
2 KMnO4 + 5 H2S + 6 HCl = 2 MnCl2 + 5 S + 2 KCl + 8 H2O
Br{-} + SO42{-} + H3O{+} = Br2 + SO32{-} + H2O =>
20 Br{-} + SO42{-} + 20 H3O{+} = 10 Br2 + SO32{-} + 30 H2O
MgCl2 + (NH4)(NO3) = Mg(NO3)2 + (NH4)Cl =>
MgCl2 + 2(NH4)(NO3) = Mg(NO3)2 + 2(NH4)Cl
CuCl + K2Cr2O7 + HCl = CrCl3 + CuCl3 + KCl + H2O =>
3 CuCl + K2Cr2O7 + 14 HCl = 2 CrCl3 + 3 CuCl3 + 2 KCl + 7 H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Na2CO3 + HCl = NaCl + CO2 + H2O =>
Na2CO3 + 2 HCl = 2 NaCl + CO2 + H2O
NaNO3 + H2SO4 = HNO3 + Na2SO4 =>
2 NaNO3 + H2SO4 = 2 HNO3 + Na2SO4
Br{-} + SO4{2-} + H3O{+} = Br2 + SO3{2-} + H2O =>
2 Br{-} + SO4{2-} + 2 H3O{+} = Br2 + SO3{2-} + 3 H2O
CaO(s) + H2O(l) = Ca(OH)2(aq) =>
CaO(s) + H2O(l) = Ca(OH)2(aq)
Ba(OH)2 + H3PO4 = H2O + Ba3(PO4)2 =>
3 Ba(OH)2 + 2 H3PO4 = 6 H2O + Ba3(PO4)2
Pb + H2SO4 = PbSO4 + H2 =>
Pb + H2SO4 = PbSO4 + H2
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Fe2(So4)3 + NH3 + H2O = Fe(OH)3 + (NH4)2So4 =>
Fe2(So4)3 + 6 NH3 + 6 H2O = 2 Fe(OH)3 + 3(NH4)2So4
Br{-} + SO4{2-} + H3O{+} = Br2 + SO3{2-} + H2O =>
2 Br{-} + SO4{2-} + 2 H3O{+} = Br2 + SO3{2-} + 3 H2O
PB(s) + PBO2(s) + H2SO4(aq) = PBSO4(s) + H2O(l) =>
PB(s) + PBO2(s) + 2 H2SO4(aq) = 2 PBSO4(s) + 2 H2O(l)
Cl2O7 + H2O = HClO4 =>
Cl2O7 + H2O = 2 HClO4
Fe2(SO4)3 + NH3 + H2O = Fe(OH)3 + (NH4)2SO4 =>
Fe2(SO4)3 + 6 NH3 + 6 H2O = 2 Fe(OH)3 + 3(NH4)2SO4
Na(OH) + H(NO3) = Na(NO3) + H2O =>
Na(OH) + H(NO3) = Na(NO3) + H2O
Ca(OH)2 = CaO + H2O =>
Ca(OH)2 = CaO + H2O
Cu2S + O2 = Cu2O + SO4 =>
2 Cu2S + 5 O2 = 2 Cu2O + 2 SO4
Na2CrO4 + Na2S + HCl = CrCl3 + NaCl + S + NaOH =>
2 Na2CrO4 + 3 Na2S + 8 HCl = 2 CrCl3 + 2 NaCl + 3 S + 8 NaOH
MoO4{-2} + H{+} = Mo8O26{-4} + H2O =>
8 MoO4{-2} + 12 H{+} = Mo8O26{-4} + 6 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/27/14
Équations équilibrées sur01/26/14
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