Chemistry I A
Code
3642
Academic unit
Faculdade de Ciências e Tecnologia
Department
Departamento de Química
Credits
5.5
Teacher in charge
António Jorge Dias Parola, José Ricardo Ramos Franco Tavares
Weekly hours
4
Teaching language
Português
Objectives
To homogenizer the knowledge of students with different backgrounds
The student should learn the contents of General Chemistry included in the program, to know how to do the experimental work and solve the proposed problems.
The student should be able to work in group, to know how to interpret the results obtained in the laboratory and to develop a capacity of observation and a critical and scientific spirit.
Prerequisites
There are no previous requests
Subject matter
Introduction to General chemistry: basic principles
Chemical Reactions
Stoichiometry: Aqueous solutions and concentration units.
Periodic table. Periodic properties .
Chemical bonding. The ionic bond. The covalent bond. Valence-Shell Electron-Pair Repulsion Theory. valence Bond theory. Molecular Orbital Theory.
Intermolecular Forces.
Phase Changes. Phase Diagrams.
Chemical Equilibrium . The first Law of Termodinamics. Enthalpy. Standard Entalphy of formation and reaction. le Châteliers ´Principle.
Spontaneous proceses. Entropy .
The second Law of Thermodinamics. Gibbs Free Energy.
Free Energy and Chemical equilibrium .
Chemical equilibrium in ideal gas mixtures. The ideal gas equation. Dalton´s law of partial pressure.
Chemical Kinetics. The rate of a reaction. Determination of the rate law.
Integral Method. Half-life. Diferential method. Initial rates.
Activation Energy. Arrhenius Law. Catalysis.
Acids and Bases.
Bronsted e Lowry acids and bases. Autoionization of water. pH-A measure of acidity. Strength of acids and bases. Weak acids and bases.
Buffer Solutions. Acid-base titrations. Acid-base Indicators.
Precipitation Reactions. Solubility equilibria. The common ion effect. Separation of ions by fractional precipitation.
Red-ox Reactions.
Standard Reduction Potencial. The effect of concentration on Cells. The Nerst Equation. Determination of equilibrium constants. Corrosion.
vapor- Liquid Equilibrium. Ideal solutions. The Raoult´s Law. Distillation. Colligative properties.
Bibliography
Chemistry", R. Chang, Mc Graw Hill, 8th Edition 2004
Química (Portuguese translation of Chemistry ), R.Chang, Mc. Graw Hill, 2005
"Chemical Principals, The quest for insight", P. Atkins, L. Jones, Freeman, 2001
Apontamentos de Química I, Susana Barreiros, Manuel Nunes da Ponte, FCT/UNL, 1998
Teaching method
The theoretical lectures will be given with the help of the data show. Practical questions will be addressed to the students and solve during the lectures. Laboratory works will be preceded by a theoretical introduction before the practical work and followed by the writing of a mini-report about the work done. A web site with all the material for study of the subject will be available.
Evaluation method
The Theoretical Grade will be obtained through Final Theoretical Examination.
It will be necessary to do three of the four laboratory works (with previous preparation) and to submit the proposed questionnaire at the end of each practical session.