| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 MnO4{-} + 3 CN{-} + H2O = 3 CNO{-} + 2 OH{-} + 2 MnO2
Bi(OH)3(s) + HNO3(aq) = Bi(NO3)3 + H2O =>
Bi(OH)3(s) + 3 HNO3(aq) = Bi(NO3)3 + 3 H2O
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
C + NaOH + H2O = NaHCO3 + H2 =>
C + NaOH + 2 H2O = NaHCO3 + 2 H2
KMnO4 + KOH = K2MnO3 + O2 + H2O =>
4 KMnO4 + 4 KOH = 4 K2MnO3 + 3 O2 + 2 H2O
(NH4)2CO3 + NH3 + Co(NO3)2 = Co(NH3)4CO3 + NO3 + H2O =>
9(NH4)2CO3 + 16 NH3 + 9 Co(NO3)2 = 9 Co(NH3)4CO3 + 16 NO3 + 6 H2O
Fe(SO4)3 + KSCN = K3Fe(SCN)6 + KSO4 =>
Fe(SO4)3 + 6 KSCN = K3Fe(SCN)6 + 3 KSO4
Br + CaCl2 = BrCl + Ca =>
2 Br + CaCl2 = 2 BrCl + Ca
H2SO4 + Sr(OH)2 = H2(OH)2 + SrSO4 =>
H2SO4 + Sr(OH)2 = H2(OH)2 + SrSO4
NaNO3 + KOH = KNO3 + NaOH =>
NaNO3 + KOH = KNO3 + NaOH
Fe(NO3)3 + NO2 + H2O = Fe + HNO3 =>
Fe(NO3)3 + 3 NO2 + 3 H2O = Fe + 6 HNO3
Ca + Cu = CaCu3 =>
Ca + 3 Cu = CaCu3
Pb(ClO3)2 = ClO3 + PbClO3 =>
Pb(ClO3)2 = ClO3 + PbClO3
C8H168(l) + O2(g) = CO2(g) + H2O(l) =>
C8H168(l) + 50 O2(g) = 8 CO2(g) + 84 H2O(l)
Pb(OH)2 + Li2SO4 = PbSO4 + LiOH =>
Pb(OH)2 + Li2SO4 = PbSO4 + 2 LiOH
HI + Al = AlI + H2 =>
2 HI + 2 Al = 2 AlI + H2
ZhO = Zh + O2 =>
2 ZhO = 2 Zh + O2
CuCl2 + AlCl3 = CuCl3 + ClAl =>
2 CuCl2 + AlCl3 = 2 CuCl3 + ClAl
CaCl2 + NaC2H3O2 = NaCl2 + CaC2H3O2 =>
CaCl2 + NaC2H3O2 = NaCl2 + CaC2H3O2
C2H5OH + K2Cr2O7 + H2SO4 = C3H6O + Cr2(SO4)3 + H2O + K2SO4 =>
9 C2H5OH + 2 K2Cr2O7 + 8 H2SO4 = 6 C3H6O + 2 Cr2(SO4)3 + 17 H2O + 2 K2SO4
Na2O + C = CO + Na =>
Na2O + C = CO + 2 Na
H2Cr2O7 + Ca(OH)2 = Ca(Cr2O7) + H2O =>
H2Cr2O7 + Ca(OH)2 = Ca(Cr2O7) + 2 H2O
PCl3(s) + I2(g) = P2I4 + ICl =>
2 PCl3(s) + 5 I2(g) = P2I4 + 6 ICl
(P2)2(O5)3 = P + O2 =>
2(P2)2(O5)3 = 8 P + 15 O2
HCl + LiOH = Li + Cl + H2O =>
HCl + LiOH = Li + Cl + H2O
Na2CO3 + H3PO4 = CO2 + Na3PO4 + H2O =>
3 Na2CO3 + 2 H3PO4 = 3 CO2 + 2 Na3PO4 + 3 H2O
K + Al2(SO4)3 = Al2 + K(SO4)3 =>
K + Al2(SO4)3 = Al2 + K(SO4)3
CaSO3 + KMnO4 + HCl = CaSO4 + MnCl2 + H2O + KCl =>
5 CaSO3 + 2 KMnO4 + 6 HCl = 5 CaSO4 + 2 MnCl2 + 3 H2O + 2 KCl
K3[Fe(CN)6] + NaI = KI + Na3[Fe(CN)6] =>
K3[Fe(CN)6] + 3 NaI = 3 KI + Na3[Fe(CN)6]
H2C2O4 + S2O8 = CO2 + H2S2O8 =>
H2C2O4 + S2O8 = 2 CO2 + H2S2O8
Sn(s) + HClO4(aq) = H2(g) + Sn(ClO4)2(aq) =>
Sn(s) + 2 HClO4(aq) = H2(g) + Sn(ClO4)2(aq)
Sb2O3 + C = Sb2O + CO =>
Sb2O3 + 2 C = Sb2O + 2 CO
Pb + Au(NO3)3 = Au3 + Pb(NO3)3 =>
3 Pb + 3 Au(NO3)3 = Au3 + 3 Pb(NO3)3
K2SO3(s) + HNO3(aq) = H2O(l) + SO2(g) + KNO3(aq) =>
K2SO3(s) + 2 HNO3(aq) = H2O(l) + SO2(g) + 2 KNO3(aq)
PCl5(s) = PCl3(l) + Cl2(g) =>
PCl5(s) = PCl3(l) + Cl2(g)
Na2SeO3 + Na(H2PO2) = Na3PO2 + H2SeO3 =>
Na2SeO3 + Na(H2PO2) = Na3PO2 + H2SeO3
Ni(NO3)3*6H2O + NH3 = [Ni(NH3)6]OH2 + NH4NO3 + H2O =>
8 Ni(NO3)3*6H2O + 78 NH3 = 8[Ni(NH3)6]OH2 + 27 NH4NO3 + 31 H2O
KI + NaClO3 + H2SO4 = KI3 + Cl2 + Na2SO4 + K2SO4 + H2O =>
15 KI + 2 NaClO3 + 6 H2SO4 = 5 KI3 + Cl2 + Na2SO4 + 5 K2SO4 + 6 H2O
S + HNO2 = SO4{2-} + NO + H2O + H{+} =>
S + 6 HNO2 = SO4{2-} + 6 NO + 2 H2O + 2 H{+}
F + Hf = HfF =>
F + Hf = HfF
Sr(ClO3)2(s) = SrCl2(s) + O2(g) =>
Sr(ClO3)2(s) = SrCl2(s) + 3 O2(g)
C6H6O + ClC2O2H3 + NaOH = C8H8O3 + NaCl + H2O =>
C6H6O + ClC2O2H3 + NaOH = C8H8O3 + NaCl + H2O
I2 + Cl{-} = I{-} + Cl =>
I2 + 2 Cl{-} = 2 I{-} + 2 Cl
AgCl + Li2S2O3 = Li3(Ag(S2O3)2) + LiCl =>
AgCl + 2 Li2S2O3 = Li3(Ag(S2O3)2) + LiCl
C125H943O05N + O2 = CO2 + NO2 + H2O =>
4 C125H943O05N + 1437 O2 = 500 CO2 + 4 NO2 + 1886 H2O
Cl2O7 + H2O2 = ClO2{-} + O2 + H{+} =>
2 Cl2O7 + 2 H2O2 = 4 ClO2{-} + 5 O2 + 4 H{+}
C6H15NH2 + O2 = CO2 + H2O + N2 =>
4 C6H15NH2 + 41 O2 = 24 CO2 + 34 H2O + 2 N2
HOOC(CH)2COOH + NH3 = HOOC(CH)2CONH2 + H2O =>
HOOC(CH)2COOH + NH3 = HOOC(CH)2CONH2 + H2O
F + NaOH = NaF + O + H2O =>
2 F + 2 NaOH = 2 NaF + O + H2O
CuN2 + O2 = NO2 + Cu2O3 =>
4 CuN2 + 11 O2 = 8 NO2 + 2 Cu2O3
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Équations équilibrées sur11/23/24
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