| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NaNO3 + PbO = Pb(NO3)2 + Na2O
NaHSO4 + BaCl2 = NaCl + BaSO4 + H2SO4 =>
2 NaHSO4 + BaCl2 = 2 NaCl + BaSO4 + H2SO4
Cu(s) + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu(s) + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
NaH2PO4 + NaHCO3 = Na3PO4 + CO2 + H2O =>
NaH2PO4 + 2 NaHCO3 = Na3PO4 + 2 CO2 + 2 H2O
KNO3(aq) + Na2CO3(aq) = KCO3(aq) + Na2NO3(aq) =>
KNO3(aq) + Na2CO3(aq) = KCO3(aq) + Na2NO3(aq)
Cr(NO3)2 = Cr{2+} + NO3{-} =>
Cr(NO3)2 = Cr{2+} + 2 NO3{-}
NH4NO2 + H2O = NH4OH + HNO2 =>
NH4NO2 + H2O = NH4OH + HNO2
Fe + KMnO4 + KOH = Fe(OH)3 + K2MnO4 =>
Fe + 3 KMnO4 + 3 KOH = Fe(OH)3 + 3 K2MnO4
C18H32O2 + CH3OH = C17H34O2 + C3H8O3 =>
15 C18H32O2 + 44 CH3OH = 16 C17H34O2 + 14 C3H8O3
KOH + S + H2O = K2SO3 + H2 =>
2 KOH + S + H2O = K2SO3 + 2 H2
NaCl(aq) + Zn(NO3)2(aq) = NaNO3(aq) + ZnCl2(s) =>
2 NaCl(aq) + Zn(NO3)2(aq) = 2 NaNO3(aq) + ZnCl2(s)
AgBr + O2 = BrO + Ag =>
2 AgBr + O2 = 2 BrO + 2 Ag
CH3CO2 + H2O = CH3COOH + OH =>
CH3CO2 + H2O = CH3COOH + OH
NaOH(aq) + MgCl2(aq) = NaCl(aq) + Mg(OH)2 =>
2 NaOH(aq) + MgCl2(aq) = 2 NaCl(aq) + Mg(OH)2
MgO + Br2 = MgBr2 + O2 =>
2 MgO + 2 Br2 = 2 MgBr2 + O2
MgCO3 + H2O = Mg(HCO3)2 + Mg(OH)2 =>
2 MgCO3 + 2 H2O = Mg(HCO3)2 + Mg(OH)2
CrCl2 + Na2CO3 = CrCO3 + NaCl =>
CrCl2 + Na2CO3 = CrCO3 + 2 NaCl
Hg(ClO3)2 = HgCl2 + O2 =>
Hg(ClO3)2 = HgCl2 + 3 O2
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Na2Cr2O7 + H2O + H2SO4 = H2CrO4 + NaHSO4 =>
Na2Cr2O7 + H2O + 2 H2SO4 = 2 H2CrO4 + 2 NaHSO4
Sn(s) + Cl2(g) = SnCl2(s) =>
Sn(s) + Cl2(g) = SnCl2(s)
SO2 + H2 = H2S + H2O =>
SO2 + 3 H2 = H2S + 2 H2O
C9H11NO3 + O2 = CO2 + H2O + CH4N2O =>
2 C9H11NO3 + 19 O2 = 17 CO2 + 9 H2O + CH4N2O
FeCl2 + SnCl4 = FeCl3 + SnCl2 =>
2 FeCl2 + SnCl4 = 2 FeCl3 + SnCl2
KNO2 + KMnO4 + HNO3 = Mn(NO3)2 + KNO3 + H2O =>
5 KNO2 + 2 KMnO4 + 6 HNO3 = 2 Mn(NO3)2 + 7 KNO3 + 3 H2O
CrCl3 + K2CO3 = Cr2(CO3)3 + KCl =>
2 CrCl3 + 3 K2CO3 = Cr2(CO3)3 + 6 KCl
NO2 + F2 = NO2F =>
2 NO2 + F2 = 2 NO2F
Ba(NO3)2 + K2(SO4) = BaSO4 + KNO3 =>
Ba(NO3)2 + K2(SO4) = BaSO4 + 2 KNO3
C12H24S2 + O2 = H2O + CO2 + S =>
C12H24S2 + 18 O2 = 12 H2O + 12 CO2 + 2 S
HClO3 = ClO2 + HClO4 + H2O =>
3 HClO3 = 2 ClO2 + HClO4 + H2O
Zn(s) + HNO3 = Zn(NO3)2 + H2(g) =>
Zn(s) + 2 HNO3 = Zn(NO3)2 + H2(g)
AgNO3 + CO2 = AgCO2 + NO3 =>
AgNO3 + CO2 = AgCO2 + NO3
P4(s) + Cl(g) = PCl(l) =>
P4(s) + 4 Cl(g) = 4 PCl(l)
PO4 + H2O = H3PO4 + OH =>
PO4 + 3 H2O = H3PO4 + 3 OH
F + Ar = ArF3 =>
3 F + Ar = ArF3
(NH4)2SO4(aq) + SrCl2(aq) = (NH4)2Cl2 + SrSO4 =>
(NH4)2SO4(aq) + SrCl2(aq) = (NH4)2Cl2 + SrSO4
NaHSO3 + H2O = NaH2SO3 + OH =>
NaHSO3 + H2O = NaH2SO3 + OH
NaCl + Cu3(PO4)2 = CuCl2 + Na3PO4 =>
6 NaCl + Cu3(PO4)2 = 3 CuCl2 + 2 Na3PO4
H + S + O = H2SO4 =>
2 H + S + 4 O = H2SO4
Cr2O7{-2} + H{+} + H2 = Cr{+3} + H2O =>
Cr2O7{-2} + 8 H{+} + 3 H2 = 2 Cr{+3} + 7 H2O
NaI + Ca = NaCa + I =>
NaI + Ca = NaCa + I
Ni(NO3)2 + NaOH = NaNO3 + Ni(OH)2 =>
Ni(NO3)2 + 2 NaOH = 2 NaNO3 + Ni(OH)2
Pb(s) + CuCl2(aq) = PbCl2(aq) + Cu(s) =>
Pb(s) + CuCl2(aq) = PbCl2(aq) + Cu(s)
NH3 + Cl = N2H4 + NH4Cl =>
4 NH3 + 2 Cl = N2H4 + 2 NH4Cl
Fe + KMnO4 + KOH = Fe(OH)3 + K2MnO4 =>
Fe + 3 KMnO4 + 3 KOH = Fe(OH)3 + 3 K2MnO4
LiBr(aq) + F2(g) = LiF(aq) + Br2(g) =>
2 LiBr(aq) + F2(g) = 2 LiF(aq) + Br2(g)
Hg + I2 = HgI =>
2 Hg + I2 = 2 HgI
HgCl = Hg + Cl =>
HgCl = Hg + Cl
Al + N2 = AlN =>
2 Al + N2 = 2 AlN
Au + H2SO4 = Au2(SO4)3 + SO2 + H2O =>
2 Au + 6 H2SO4 = Au2(SO4)3 + 3 SO2 + 6 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/22/24
Équations équilibrées sur11/21/23
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