| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Cr(No3)3 + 3 Br2 + 16 KOH = 2 K2CrO4 + 6 KBr + 6 KNo3 + 8 H2O
ZnSO3 + H2O = Zn(OH)2 + SO2 =>
ZnSO3 + H2O = Zn(OH)2 + SO2
Ca(OH)2(aq) = Ca(aq) + OH(aq) =>
Ca(OH)2(aq) = Ca(aq) + 2 OH(aq)
Sr(s) + HCl(aq) = SrCl2(aq) + H2(g) =>
Sr(s) + 2 HCl(aq) = SrCl2(aq) + H2(g)
KI + H2O = KOH + HI =>
KI + H2O = KOH + HI
Br2 + O2 = BrO =>
Br2 + O2 = 2 BrO
NaCl + Br2 = NaBr + Cl =>
2 NaCl + Br2 = 2 NaBr + 2 Cl
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
Ag(aq) + HCl(aq) = AgCl + H2 =>
2 Ag(aq) + 2 HCl(aq) = 2 AgCl + H2
Ag(s) + Br2(l) = AgBr =>
2 Ag(s) + Br2(l) = 2 AgBr
KHSO4 + BaCl2 = Ba(HSO4)2 + KCl =>
2 KHSO4 + BaCl2 = Ba(HSO4)2 + 2 KCl
N2 + Cl = NCl =>
N2 + 2 Cl = 2 NCl
NaAlO2 + HNO3 = NaNO3 + HAlO2 =>
NaAlO2 + HNO3 = NaNO3 + HAlO2
ZnSO4 + HOH = Zn(OH)2 + H2SO4 =>
ZnSO4 + 2 HOH = Zn(OH)2 + H2SO4
Cu(s) + H2SO4 = CuSO4 + SO2 + H2O =>
Cu(s) + 2 H2SO4 = CuSO4 + SO2 + 2 H2O
NH2(g) + O2(g) = N2(g) + H2O(g) =>
2 NH2(g) + O2(g) = N2(g) + 2 H2O(g)
NaHCO3(s) + H(aq) = Na(aq) + CO2(g) + H2O =>
NaHCO3(s) + H(aq) = Na(aq) + CO2(g) + H2O
Fe2O3(s) + C = Fe(s) + CO =>
Fe2O3(s) + 3 C = 2 Fe(s) + 3 CO
Pb + NaOH = Pb(NaOH)2 =>
Pb + 2 NaOH = Pb(NaOH)2
K2S + H2O2 = K2SO4 + H2O =>
K2S + 4 H2O2 = K2SO4 + 4 H2O
Mg2S2 = Mg2 + S2 =>
Mg2S2 = Mg2 + S2
Zn(OH)2 + P2O5 = ZnHPO4 + H2O =>
2 Zn(OH)2 + P2O5 = 2 ZnHPO4 + H2O
NaH2PO4 + KOH = NaOH + KH2PO4 =>
NaH2PO4 + KOH = NaOH + KH2PO4
C2H6 + HCl = C2H5Cl + H2 =>
C2H6 + HCl = C2H5Cl + H2
PbCl2 + HCl = H[PbCl3] =>
PbCl2 + HCl = H[PbCl3]
Fe(NO3)3 + NH4SCN = Fe(SCN)6 + NO3 + NH4 =>
Fe(NO3)3 + 6 NH4SCN = Fe(SCN)6 + 3 NO3 + 6 NH4
C18H32O2 + CH3OH = C19H36O2 + C3H8O3 =>
17 C18H32O2 + 28 CH3OH = 16 C19H36O2 + 10 C3H8O3
Pb + HNO3 = Pb(NO3)2 + H2 =>
Pb + 2 HNO3 = Pb(NO3)2 + H2
S + NaOH = Na2S + Na2SO4 + H2O =>
4 S + 8 NaOH = 3 Na2S + Na2SO4 + 4 H2O
AgCl + O2 = AgO + Cl2 =>
2 AgCl + O2 = 2 AgO + Cl2
S8 + KOH = K2S + K2SO4 + H2O =>
S8 + 16 KOH = 6 K2S + 2 K2SO4 + 8 H2O
C2H5NO2(aq) + O2(g) = CO2(g) + H2O(l) + CH4N2O(aq) =>
2 C2H5NO2(aq) + 3 O2(g) = 3 CO2(g) + 3 H2O(l) + CH4N2O(aq)
MgCl2 + CuSO4 = MgSO4 + CuCl2 =>
MgCl2 + CuSO4 = MgSO4 + CuCl2
Cr2(SO4)3 + KMnO4 + H2O = H2Cr2O7 + MnSO4 + K2SO4 + H2SO4 =>
5 Cr2(SO4)3 + 6 KMnO4 + 11 H2O = 5 H2Cr2O7 + 6 MnSO4 + 3 K2SO4 + 6 H2SO4
NH4Cl + LiOH = LiCl + NH3 + H2O =>
NH4Cl + LiOH = LiCl + NH3 + H2O
(NH4)2SO4 + Sr(OH)2 = NH3 + H2O + SrSO4 =>
(NH4)2SO4 + Sr(OH)2 = 2 NH3 + 2 H2O + SrSO4
Ba + K2Cr2O7 = BaCr2O7 + K =>
Ba + K2Cr2O7 = BaCr2O7 + 2 K
MnO2 + H2O = MnO(OH)2 =>
MnO2 + H2O = MnO(OH)2
MgSO4 + Na(OH) = Mg(OH)2 + Na2(SO4) =>
MgSO4 + 2 Na(OH) = Mg(OH)2 + Na2(SO4)
MnO4{-} + SO2 + H2O = Mn + SO4{-}2 + H{+} =>
3 MnO4{-} + 7 SO2 + 2 H2O = 3 Mn + 7 SO4{-}2 + 4 H{+}
Co(NO3)2 + (NH4)2CO3 = CoCO3 + NH4NO3 =>
Co(NO3)2 + (NH4)2CO3 = CoCO3 + 2 NH4NO3
NaHS + O2 = Na2O + H2O + SO2 =>
2 NaHS + 3 O2 = Na2O + H2O + 2 SO2
MnCl2 + KOH + H2O2 = KMnO4 + KCl + H2O =>
2 MnCl2 + 6 KOH + 5 H2O2 = 2 KMnO4 + 4 KCl + 8 H2O
PbS2 + HCl = PbCl4 + H2S =>
PbS2 + 4 HCl = PbCl4 + 2 H2S
Ag(s) + HCl(aq) = AgCl + H2 =>
2 Ag(s) + 2 HCl(aq) = 2 AgCl + H2
KI + HNO3 + H2SO4 = K2SO4 + I2 + NO2 + H2O =>
2 KI + 2 HNO3 + H2SO4 = K2SO4 + I2 + 2 NO2 + 2 H2O
K2Cr2O7 + C5H12O + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O + C5H10O =>
K2Cr2O7 + 3 C5H12O + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 7 H2O + 3 C5H10O
NaCl + C6H8O7 = Cl + Na(C6H8O7) =>
NaCl + C6H8O7 = Cl + Na(C6H8O7)
KMnO4 + CH3OH + H2SO4 = CH2O + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 5 CH3OH + 3 H2SO4 = 5 CH2O + K2SO4 + 2 MnSO4 + 8 H2O
S + H2SO4 = SO2 + H2O =>
S + 2 H2SO4 = 3 SO2 + 2 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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