Università Roma Tre

Volumetric chemical analysis: basic acid titrations; indicators; redox titrations. Potentiometric methods: the pH meter. Analysis with spectrophotometric methods: UV-visible spectrometry, spectrophotometer, absorption spectra, Lambert-Beer law. Practical experiences in the laboratory on the topics covered. Topics covered in the laboratory experience (3 CFU): The chemistry laboratory: equipment and materials. Standards of behavior and safety.ƒn Measurement, measurement errors.ƒn Quantitative volumetric methods: basic and redox titrations. Preparation of solutions of known type; standard substances. Indicators and titration curves. Analysis with potentiometric and spectrophotometric methods. The following topics will be addressed: ¡Acid-base PTitolation. ¡Redox PT. ¡Potentometric PTithings. ¡Spectrophotometric determination of Fe2+.

opics covered in the lectures (6CFU): · Atomic theory. The electrons in atoms, quantum, orbital numbers and their filling. Atom structure. Atoms, molecules, atomic number, atomic mass and mole. · Periodic system, general properties of the elements. · The chemical bond. Electronegativity, hybrid orbitals, resonance, hydrogen bonding. Molecules. Molecular Structure. · Chemical Nomenclature. Oxides, hydroxides, acids, salts. · The gaseous state. Equation of state. Ideal gases and real gases. · Condensed states, bonds in solids. · Determination of the formulas. Equilibrium chemical equilibrium equations and stoichiometric calculations. Oxide-reductions oxidation number and calculation. · Fundamentals of thermodynamics, principles and status functions · State changes and state diagrams. · Chemical equilibrium. Balance constant. Basic acid and precipitation balances. · Solutions. Concentration. Self-protection of water. Colligative properties. Electrolyte solutions. Solutions of strong and weak acids and bases, pH. Buffer solutions. Hydrolysis. · Electrochemistry. Batteries and electrolysis cells. · Chemical kinetics and hints on kinetic theories. Speed ​​of reaction and factors that influence it. Systematic inorganic chemistry. Chemical behavior of elements, characteristics of groups and periods. The main elements of the periodic table. Transition elements and coordination complexes.