| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Li + Sn(NO3)4 = Sn + 4 LiNO3
(Na2CO3)2(H2O2)3 = Na2CO3 + H2O2 =>
(Na2CO3)2(H2O2)3 = 2 Na2CO3 + 3 H2O2
Cl2(g) + NaBr = NaCl + Br2(i) =>
Cl2(g) + 2 NaBr = 2 NaCl + Br2(i)
Al4C3(s) + H2O(l) = CH4(l) + Al(OH)3(aq) =>
Al4C3(s) + 12 H2O(l) = 3 CH4(l) + 4 Al(OH)3(aq)
Na2O + V2O5 = NaVO3 =>
Na2O + V2O5 = 2 NaVO3
KOH + SiH2O = K2SiO3 + H2 =>
2 KOH + SiH2O = K2SiO3 + 2 H2
ZnC2 + O2 = ZnO + C2 =>
2 ZnC2 + O2 = 2 ZnO + 2 C2
KOH(aq) + CuSO4(aq) = K2SO4(aq) + Cu(OH)2(s) =>
2 KOH(aq) + CuSO4(aq) = K2SO4(aq) + Cu(OH)2(s)
C6H12HO2 + O2 = CO2 + H2O =>
4 C6H12HO2 + 33 O2 = 24 CO2 + 26 H2O
H2BeO2 + HNO3 = Be(NO3)2 + H2O =>
H2BeO2 + 2 HNO3 = Be(NO3)2 + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H{+} + C2H3O2{-} + Cr2O7{2-} = CO2 + Cr{3+} + H2O =>
35 H{+} + 3 C2H3O2{-} + 4 Cr2O7{2-} = 6 CO2 + 8 Cr{3+} + 22 H2O
HCIO4 + NH3 = NH4CIO4 =>
HCIO4 + NH3 = NH4CIO4
PbMnO4 + Mg = Pb + Mg(MnO4)2 =>
2 PbMnO4 + Mg = 2 Pb + Mg(MnO4)2
KHCO3(s) + HNO3(aq) = KNO3(aq) + H2CO3(aq) =>
KHCO3(s) + HNO3(aq) = KNO3(aq) + H2CO3(aq)
Cr(OH)3 + KNO3 + Na2CO3 = CrO4{-2} + NO2{-} + CO2 + Na{+} + K{+} + H2O =>
2 Cr(OH)3 + 3 KNO3 + 2 Na2CO3 = 2 CrO4{-2} + 3 NO2{-} + 2 CO2 + 4 Na{+} + 3 K{+} + 3 H2O
HCl + NH4HCO3 = H2O + CO2 + NH4Cl =>
HCl + NH4HCO3 = H2O + CO2 + NH4Cl
MgCO3(aq) + HCl(aq) = CO2(g) + H2O(l) + MgCl2(aq) =>
MgCO3(aq) + 2 HCl(aq) = CO2(g) + H2O(l) + MgCl2(aq)
KClO2 + HI + H2SO4 = KHSO4 + HCl + I2 + H2O =>
KClO2 + 4 HI + H2SO4 = KHSO4 + HCl + 2 I2 + 2 H2O
Mg + NO3{-} + H{+} = Mg2{+2} + NH4{+} + H2O =>
8 Mg + NO3{-} + 10 H{+} = 4 Mg2{+2} + NH4{+} + 3 H2O
AI(s) + HCI(aq) = AIHCI(aq) =>
AI(s) + HCI(aq) = AIHCI(aq)
KMnO4 + H2SO4 + K2C2O4 = CO2 + K2SO4 + K2MnO2 + H2O =>
2 KMnO4 + 4 H2SO4 + 5 K2C2O4 = 10 CO2 + 4 K2SO4 + 2 K2MnO2 + 4 H2O
FeCl4 + Ag = AgCl + Fe =>
FeCl4 + 4 Ag = 4 AgCl + Fe
Cd(s) + NiO2(s) + H2O = Cd(OH)2(s) + Ni(OH)2(s) =>
Cd(s) + NiO2(s) + 2 H2O = Cd(OH)2(s) + Ni(OH)2(s)
HNO3(aq) + Na2SO3(aq) = NaNO3(aq) + H2SO3 =>
2 HNO3(aq) + Na2SO3(aq) = 2 NaNO3(aq) + H2SO3
FeSO4 + HNO3 = Fe2(SO4)3 + Fe(NO3)3 + N2 + H2O =>
30 FeSO4 + 36 HNO3 = 10 Fe2(SO4)3 + 10 Fe(NO3)3 + 3 N2 + 18 H2O
C3H8O3 + Na = C3H5O3Na + H2 =>
2 C3H8O3 + 2 Na = 2 C3H5O3Na + 3 H2
C7H8 + H2SO4 = CH3C6H4SO3H + H2O =>
C7H8 + H2SO4 = CH3C6H4SO3H + H2O
Ca(OH)2(aq) + H3PO4(aq) = H2O(g) + Ca3(PO4)2(s) =>
3 Ca(OH)2(aq) + 2 H3PO4(aq) = 6 H2O(g) + Ca3(PO4)2(s)
KMnO4 + NaHSO3 = MnO2 + H2O + Na2SO4 + K2SO4 + NaHSO4 =>
2 KMnO4 + 3 NaHSO3 = 2 MnO2 + H2O + Na2SO4 + K2SO4 + NaHSO4
S + NH3 + CCl4 = S4N4 + CS2 + HCl =>
10 S + 4 NH3 + 3 CCl4 = S4N4 + 3 CS2 + 12 HCl
MnO2 + H2SO4 + KI = I2 + KHSO4 + MnSO4 + H2O =>
MnO2 + 3 H2SO4 + 2 KI = I2 + 2 KHSO4 + MnSO4 + 2 H2O
PdCl2 + N2H4 = Pd + NH4Cl + N2 =>
PdCl2 + 2 N2H4 = Pd + 2 NH4Cl + N2
FeCl2 + Na2Cr2O7 + HCl2 = NaCl + H2O + CrCl3 + FeCl3 =>
20 FeCl2 + Na2Cr2O7 + 14 HCl2 = 2 NaCl + 7 H2O + 2 CrCl3 + 20 FeCl3
HNO3 + NaCl = NaNO3 + HCl =>
HNO3 + NaCl = NaNO3 + HCl
Li3N + Ca(OH)2 = LiOH + Ca3N2 =>
2 Li3N + 3 Ca(OH)2 = 6 LiOH + Ca3N2
V + HNO3 = V2O5 + NO2 + H2 =>
4 V + 10 HNO3 = 2 V2O5 + 10 NO2 + 5 H2
PbO2 + KOH + H2O = K2[Pb(OH)6] =>
PbO2 + 2 KOH + 2 H2O = K2[Pb(OH)6]
Cr2O7{-2} + H{+} + CH3CH(OH)CH3 = Cr{+3} + H2O + CH3COCH3 =>
Cr2O7{-2} + 8 H{+} + 3 CH3CH(OH)CH3 = 2 Cr{+3} + 7 H2O + 3 CH3COCH3
CaS + NaNO3 = Na2S + Ca(NO3)2 =>
CaS + 2 NaNO3 = Na2S + Ca(NO3)2
C88H174O6 + O2 = CO2 + H2O =>
2 C88H174O6 + 257 O2 = 176 CO2 + 174 H2O
Ca + HCl = Ca3Cl2 + H2 =>
3 Ca + 2 HCl = Ca3Cl2 + H2
C9H2O2 + O2 = CO2 + H2O =>
2 C9H2O2 + 17 O2 = 18 CO2 + 2 H2O
H2(g) + CO2(g) = H2O(l) + CO(g) =>
H2(g) + CO2(g) = H2O(l) + CO(g)
NaOHHClO4 = NaClHOHO4 =>
NaOHHClO4 = NaClHOHO4
LiCl + K[Sb(OH)6] = Li[Sb(OH)6] + KCl =>
LiCl + K[Sb(OH)6] = Li[Sb(OH)6] + KCl
NO3{-} + H2S = N2 + SO4{2-} + H{+} + H2O =>
8 NO3{-} + 5 H2S = 4 N2 + 5 SO4{2-} + 2 H{+} + 4 H2O
MoO2 + HCl = MoCl4 + H2O =>
MoO2 + 4 HCl = MoCl4 + 2 H2O
N2H4 + CO3{2-} = N2 + CO + OH{-} =>
N2H4 + 2 CO3{2-} = N2 + 2 CO + 4 OH{-}
CrCl3 + KOH + KClO = KCl + K4Cr2O7 + H2O =>
2 CrCl3 + 10 KOH + 2 KClO = 8 KCl + K4Cr2O7 + 5 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/24/24
Équations équilibrées sur11/23/23
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