Department of Fundamental Education in Science and Technology

https://www.univ-soukahras.dz/en/dept/st

Lecturer	hafida bendjama
Information	Bachelor - Second Year : Chemical engineering Department of Fundamental Education in Science and Technology Website : https://www.univ-soukahras.dz/en/module/2388 Semester : S4 Unit : UEF 2.2.1 Credit : 4 Coefficient: 2
Content	Contents : Chapter 1: Solutions 3 weeks Definitions: Concentrations: molarity, normality, molality, titre, molar and mass fraction, activity, etc. . Conductimetry: ion mobility, electrolytes (strong, weak), conductivity (specific and molar), conductimetric cell, Kohlrausch\'s law, conductimetric assay. Chapter 2: Acids-Bases 3 weeks -Acid-base equilibria in aqueous solution: acidity scale, acidity constant (Ka, pKa), dilution law (Oswald), pH calculation (simple solutions, mixtures, saline solutions, buffer solutions, ampholytic solutions), reaction predictions, acid-base assays (polyacids and polybases). - Coloured indicators Chapter 3: Oxidation-reduction 3 weeks Definition, oxidant, reductant, redox reactions, oxidation state and number, balancing redox reactions, electrochemical cells, thermodynamic aspects, electrodes. Chapter 4: Solubility 3 weeks Definition, Graphical representation, Effect of common ions, Influence of pH on solubility (case of hydroxides), Influence of potential on solubility, Influence of complexation on solubility Chapter 5: Complexes 3 weeks Definition, Nomenclature of complexes, Formation of complexes, Stability of complexes, Effect of pH on complexes, Effect of potential on complexes, Some areas of application of complexes
Evaluation	Continuous assessment: 40%; Final examination: 60%.