| Équations équilibrées la veille |
Pb(NO3)2(aq) + Na2C2O4(aq) = 2 NaNO3 + PbC2O4
BeI2(aq) + Cu2SO4(aq) = BeSO4 + CuI =>
BeI2(aq) + Cu2SO4(aq) = BeSO4 + 2 CuI
ZnCl2 + Na2SO4 = ZnSO4 + NaCl =>
ZnCl2 + Na2SO4 = ZnSO4 + 2 NaCl
CaOCl2 + NaBr + HCl = CaCl2 + NaCl + Br2 + H2O =>
CaOCl2 + 2 NaBr + 2 HCl = CaCl2 + 2 NaCl + Br2 + H2O
C6H12O5 + H2O = CO2 + H2 =>
C6H12O5 + 7 H2O = 6 CO2 + 13 H2
C6H5CH3 + Cl2 = C6H5CHCl2 + HCl =>
C6H5CH3 + 2 Cl2 = C6H5CHCl2 + 2 HCl
Pb(NO3)2(aq) + Ca(OH)2(aq) = Pb(OH)2 + Ca(NO3)2 =>
Pb(NO3)2(aq) + Ca(OH)2(aq) = Pb(OH)2 + Ca(NO3)2
C7H9 + HNO3 = C7H6(NO2)3 + H2O =>
C7H9 + 3 HNO3 = C7H6(NO2)3 + 3 H2O
PbO2 + CaF2 = PbF4 + CaO =>
PbO2 + 2 CaF2 = PbF4 + 2 CaO
CH2Cl2 + Cl = CHCl3 + HCl =>
CH2Cl2 + 2 Cl = CHCl3 + HCl
CsBr + Li = LiBr + Cs =>
CsBr + Li = LiBr + Cs
CH4O + C6H8O7 = C19H22O6 + H2O =>
87 CH4O + 14 C6H8O7 = 9 C19H22O6 + 131 H2O
Mg(NO3)2 + K = Mg + KNO3 =>
Mg(NO3)2 + 2 K = Mg + 2 KNO3
C6H5CH3 + Cl2 = C6H5CHCl2 + HCl =>
C6H5CH3 + 2 Cl2 = C6H5CHCl2 + 2 HCl
KBr(aq) + CaS(aq) = K2S(s) + CaBr2(aq) =>
2 KBr(aq) + CaS(aq) = K2S(s) + CaBr2(aq)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na2[Cu(OH)4] + H2SO4 = Na2SO4 + CuSO4 + H2O =>
Na2[Cu(OH)4] + 2 H2SO4 = Na2SO4 + CuSO4 + 4 H2O
KSCN + KMnO4 + H2SO4 = MnSO4 + K2SO4 + HCN + H2O =>
10 KSCN + 12 KMnO4 + 13 H2SO4 = 12 MnSO4 + 11 K2SO4 + 10 HCN + 8 H2O
KOH + Sr(NO3)2 = KNO3 + Sr(OH)2 =>
2 KOH + Sr(NO3)2 = 2 KNO3 + Sr(OH)2
Ba2 + H2O = Ba(OH)2 + H2 =>
Ba2 + 4 H2O = 2 Ba(OH)2 + 2 H2
CrI3 + KOH + S = KIO4 + K2CrO4 + K2S + H2O =>
2 CrI3 + 64 KOH + 27 S = 6 KIO4 + 2 K2CrO4 + 27 K2S + 32 H2O
Cl + CrF3 = ClF3 + Cr =>
Cl + CrF3 = ClF3 + Cr
F2 + CuI2 = I2 + CuF =>
F2 + 2 CuI2 = 2 I2 + 2 CuF
NH42 + Cr2O7 = N2 + H2O + Cr2O3 =>
4 NH42 + 21 Cr2O7 = 2 N2 + 84 H2O + 21 Cr2O3
Li2O + CH3COOH = CH3COOLi + H2O =>
Li2O + 2 CH3COOH = 2 CH3COOLi + H2O
Al + NaOH + HOH = NaAl(OH)4 + H2 =>
2 Al + 2 NaOH + 6 HOH = 2 NaAl(OH)4 + 3 H2
C3H6(g) + NO(g) = C3H3N(l) + H2O(g) + N2(g) =>
4 C3H6(g) + 6 NO(g) = 4 C3H3N(l) + 6 H2O(g) + N2(g)
FeBr2 + HClO3 = Br2 + FeCl3 + Fe(ClO3)3 + H2O =>
6 FeBr2 + 18 HClO3 = 6 Br2 + FeCl3 + 5 Fe(ClO3)3 + 9 H2O
Zn + HNO3 = Zn(NO3)2 + NHNO2 + H2O =>
7 Zn + 18 HNO3 = 7 Zn(NO3)2 + 2 NHNO2 + 8 H2O
PbO2 + H2S = PbSO4 + PbS + H2O =>
4 PbO2 + 4 H2S = PbSO4 + 3 PbS + 4 H2O
H(O2) = H2O + O2 =>
4 H(O2) = 2 H2O + 3 O2
Fe + Sn(NO3)4 = Fe(NO3)3 + Sn =>
4 Fe + 3 Sn(NO3)4 = 4 Fe(NO3)3 + 3 Sn
Cr3Sb2 + H2O = Cr(OH)2 + SbH3 =>
Cr3Sb2 + 6 H2O = 3 Cr(OH)2 + 2 SbH3
H2O2 + I{-} = OH{-} + HOI =>
H2O2 + I{-} = OH{-} + HOI
BaS + O3 = BaO + S =>
3 BaS + O3 = 3 BaO + 3 S
C6H5Br + CH4 = C6H5CH3 + HBr =>
C6H5Br + CH4 = C6H5CH3 + HBr
N2H4 + H2SO4 = N2H5{+} + SO4{-2} =>
2 N2H4 + H2SO4 = 2 N2H5{+} + SO4{-2}
H3BO3 + HF = HBF4 + H2O =>
H3BO3 + 4 HF = HBF4 + 3 H2O
H2OCO2 = H2CO3 =>
H2OCO2 = H2CO3
NO2{-} + H2O = HNO2 + OH{-} =>
NO2{-} + H2O = HNO2 + OH{-}
FeCl3(aq) + NH4SCN(aq) = Fe(SCN)3(aq) + NH4Cl(aq) =>
FeCl3(aq) + 3 NH4SCN(aq) = Fe(SCN)3(aq) + 3 NH4Cl(aq)
Au + HNO2 = Au(NO2) + H2 =>
2 Au + 2 HNO2 = 2 Au(NO2) + H2
K2SO4 + H2S = K2S + H2SO4 =>
K2SO4 + H2S = K2S + H2SO4
C6H5Br + CH4 = C6H5CH3 + HBr =>
C6H5Br + CH4 = C6H5CH3 + HBr
C3H8 + Br = C3H6Br + HBr =>
C3H8 + 3 Br = C3H6Br + 2 HBr
Hg2(NO3)2 + HCl = HgCl2 + H2O + NO2 =>
Hg2(NO3)2 + 4 HCl = 2 HgCl2 + 2 H2O + 2 NO2
Ca(CH3COO)2 + H2O = CH3COOH + Ca(OH)2 =>
Ca(CH3COO)2 + 2 H2O = 2 CH3COOH + Ca(OH)2
NH4 + H2O2 = NH2 + H2O =>
NH4 + H2O2 = NH2 + 2 H2O
CrO4 + BaCl2 = Cl + Ba(CrO4)2 =>
2 CrO4 + BaCl2 = 2 Cl + Ba(CrO4)2
P4 + Ni = NiP =>
P4 + 4 Ni = 4 NiP
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Équations équilibrées sur10/23/24
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