Learning outcomes of the course unit
The objective of the course is to provide the students with:
- the fundamental concepts of chemistry, including stoichiometry; a necessity to prepare laboratory media and for the comprehension of analytical techniques;
- the basic knowledge of structure and function of the biological macromolecules.
Course contents summary
General and Inorganic Chemistry
Elements and compounds. Sub-atomic particles. Atomic number, mass number, isotopes. Atomic structure. Electronic configuration of the elements.
Periodic table. Periodic trends in the chemical properties of the elements.
Chemical bonding: ionic bond; covalent bond (pure, polar, dative). Intermolecular bonding.
Atomic and molecular weight, gram atom, gram molecule; related exercises and stoichiometric calculations.
Inorganic chemical compounds: hydrurs, binary acids, oxides, anhydrides, peroxides, hydroxides, acids, neutral and acidic salts; formation reactions, reaction balancing, nomenclature.
Oxidation state and oxidation number; balancing ox-red reactions.
Chemical kinetics: rates of chemical reactions. The factors that affect chemical reaction rate: chemical nature of the reactants, concentration (order of a reaction), temperature and catalysts.
Chemical equilibrium: concept of dynamic equilibrium. The general expression of the equilibrium constant. Factors that affect the chemical equilibrium. Le Chatelier’s principle.
Chemical thermodynamics: concept of enthalpy, entropy, free energy.
Solutions. Concentrations units: percent fraction w/w and w/v, molarity, molality. Preparation of solutions.
Colligative properties of solutions: boiling point elevation, freezing point depression; osmosis, osmotic pressure and osmolarity.
Acids and bases. Acid-base equilibria. Water ionization. Concept of pH. Calculating the pH of acid and base (strong and weak) solutions. Buffer solutions: properties and pH calculation.
Aliphatic and aromatic hydrocarbons: nomenclature, physical properties and characteristic reactions.
All the study materials and supporting web sites are provided by the teacher.
Frontal lectures (aided by presentations and animations files) and practicals. Oral exam.