| Équations équilibrées la veille | Équations équilibrées le lendemain |
11 Fe{2-} + 8 H3O{-} + MnO4{-} = 11 Fe{3-} + 12 H2O + Mn{2+}
SO2 + K2CrO7 + H2SO4 = Cr(SO4)3 + K2SO4 + H2O =>
3 SO2 + K2CrO7 + H2SO4 = Cr(SO4)3 + K2SO4 + H2O
Al2O3 + NaOH + HF = Na3AlF6 + H2O =>
Al2O3 + 6 NaOH + 12 HF = 2 Na3AlF6 + 9 H2O
CuBr2 = Cu + Br2 =>
CuBr2 = Cu + Br2
Pb(CH3COO)2(aq) + KI(aq) = PbI2(s) + KCH3COO(aq) =>
Pb(CH3COO)2(aq) + 2 KI(aq) = PbI2(s) + 2 KCH3COO(aq)
CH4 + Br2 = C2H6 + HBr =>
2 CH4 + Br2 = C2H6 + 2 HBr
Al4C3 + H2O = CH4 + Al(OH)3 =>
Al4C3 + 12 H2O = 3 CH4 + 4 Al(OH)3
C6H5NO2 + O2 = H2O + NO2 + CO2 =>
4 C6H5NO2 + 29 O2 = 10 H2O + 4 NO2 + 24 CO2
NaHCO3(s) + CH3COOH(aq) = CH3COONa(aq) + H2O(l) + CO2(g) =>
NaHCO3(s) + CH3COOH(aq) = CH3COONa(aq) + H2O(l) + CO2(g)
Be + Zr = BeZr =>
Be + Zr = BeZr
CuSO4 + Na2CO3 + H2O = Na2SO4 + CuO + H2CO3 =>
CuSO4 + Na2CO3 + H2O = Na2SO4 + CuO + H2CO3
NaIO3(s) + Br2 = NaBrO3 + I2 =>
2 NaIO3(s) + Br2 = 2 NaBrO3 + I2
Zn + PbX2 = ZnX2 + Pb =>
Zn + PbX2 = ZnX2 + Pb
EuCl3 + Zn + HCl = EuCl2 + H2ZnCl4 =>
2 EuCl3 + Zn + 2 HCl = 2 EuCl2 + H2ZnCl4
NaOH + H2O2 + Cr(NO3)3 = H2O + NaNO3 + Na2Cr2O7 =>
8 NaOH + 3 H2O2 + 2 Cr(NO3)3 = 7 H2O + 6 NaNO3 + Na2Cr2O7
Ca(OH)2 = H2OCaO =>
Ca(OH)2 = H2OCaO
Zn + H2SO4 = Zn(SO4) + H2 =>
Zn + H2SO4 = Zn(SO4) + H2
PbNo3(aq) + NaS(aq) = PbS(s) + NaNo3(aq) =>
PbNo3(aq) + NaS(aq) = PbS(s) + NaNo3(aq)
PH3 + O2 = HPO2 + H2O =>
2 PH3 + 3 O2 = 2 HPO2 + 2 H2O
Cr2(NO3)3 + NaOH = Cr(OH)3 + (Na)2NO3 =>
Cr2(NO3)3 + 6 NaOH = 2 Cr(OH)3 + 3(Na)2NO3
Ca(HSO3)2 + O2 + H2O = CaSO42H2O + H2SO3 =>
2 Ca(HSO3)2 + 39 O2 + 2 H2O = 2 CaSO42H2O + 2 H2SO3
K4[Fe(CN)6] + FeCl3 = KCl + Fe4[Fe(CN)6]3 =>
3 K4[Fe(CN)6] + 4 FeCl3 = 12 KCl + Fe4[Fe(CN)6]3
Mn{2+} + Pb3O4 + H{+} = MnO4{-} + Pb{2+} + H2O =>
2 Mn{2+} + 5 Pb3O4 + 24 H{+} = 2 MnO4{-} + 15 Pb{2+} + 12 H2O
C2H5COOOH + O2 = CO2 + H2O =>
C2H5COOOH + 3 O2 = 3 CO2 + 3 H2O
H2(g) + O2(g) = H2O2(l) =>
H2(g) + O2(g) = H2O2(l)
H2SO4 + KOH = H2O + K2SO4KHSO4 =>
2 H2SO4 + 3 KOH = 3 H2O + K2SO4KHSO4
NaPO4 + NH4Cl = NaCl + NH4PO4 =>
NaPO4 + NH4Cl = NaCl + NH4PO4
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
CuFeS2 + O2 = Cu + FeO + SO =>
2 CuFeS2 + 3 O2 = 2 Cu + 2 FeO + 4 SO
(CH4O) + (O2) = CO2 + H2O =>
2(CH4O) + 3(O2) = 2 CO2 + 4 H2O
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H(HO) =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H(HO)
CH4 + O2 = CH3OH =>
2 CH4 + O2 = 2 CH3OH
Ag(NO3) + Na(NO3) = AgNa + (NO3) =>
Ag(NO3) + Na(NO3) = AgNa + 2(NO3)
C3H6 + NH3 + O2 = C3H3N + H2O =>
2 C3H6 + 2 NH3 + 3 O2 = 2 C3H3N + 6 H2O
C10H15NO + O2 = CO2 + H2O + N2 =>
4 C10H15NO + 53 O2 = 40 CO2 + 30 H2O + 2 N2
Ba(NO3)2(aq) + K2CrO4(aq) = BaCrO4(s) + KNO3(aq) =>
Ba(NO3)2(aq) + K2CrO4(aq) = BaCrO4(s) + 2 KNO3(aq)
HNO2 + H2S = NO + H2SO4 + H2O =>
8 HNO2 + H2S = 8 NO + H2SO4 + 4 H2O
Fe2(SO4)3 + NaCl = Na3[FeCl6] + Na2SO4 =>
Fe2(SO4)3 + 12 NaCl = 2 Na3[FeCl6] + 3 Na2SO4
H3C{-}OH + Cr2O7{-} + H{+} = H2CO + Cr2{+} + H2O =>
3 H3C{-}OH + Cr2O7{-} + 5 H{+} = 3 H2CO + Cr2{+} + 4 H2O
CaCl2(s) + PbSO4(s) = PbCl2(s) + CaSO4(s) =>
CaCl2(s) + PbSO4(s) = PbCl2(s) + CaSO4(s)
Sr(OH)2 + HBr = SrBr + H(OH)2 =>
Sr(OH)2 + HBr = SrBr + H(OH)2
B2O3 + C(s) = B4C3(s) + CO2(g) =>
2 B2O3 + 6 C(s) = B4C3(s) + 3 CO2(g)
HNS + O2 = H2O + N2 + SO3 =>
4 HNS + 7 O2 = 2 H2O + 2 N2 + 4 SO3
I2 + CaBr2 = Ca + BrI =>
I2 + CaBr2 = Ca + 2 BrI
KMnO4 + FeSO4 = K2SO4 + MnSO4 + Fe2O3 + O =>
4 KMnO4 + 6 FeSO4 = 2 K2SO4 + 4 MnSO4 + 3 Fe2O3 + 7 O
K2CO3 + S = K2S + KCO3 =>
2 K2CO3 + S = K2S + 2 KCO3
HCl(aq) + NaHCO3(aq) = CO2(g) + NaCl(aq) + H2O =>
HCl(aq) + NaHCO3(aq) = CO2(g) + NaCl(aq) + H2O
HBr + Ba(ClO3)2 = BaBr + H(ClO3)2 =>
HBr + Ba(ClO3)2 = BaBr + H(ClO3)2
Na2 + C4 = Na50C24 =>
25 Na2 + 6 C4 = Na50C24
Na2WO4 + H2 = W + Na(OH)2 =>
Na2WO4 + 2 H2 = W + 2 Na(OH)2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur12/04/23
Équations équilibrées sur01/03/23
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