Chemistry C
Code
10429
Academic unit
Faculdade de Ciências e Tecnologia
Department
Departamento de Química
Credits
6.0
Teacher in charge
João Carlos dos Santos Silva e Pereira de Lima, João Montargil Aires de Sousa
Weekly hours
5
Total hours
68
Teaching language
Português
Objectives
On successful completion of the module, students will be able to
a) apply fundamental Chemistry concepts in Engineering subjects.
b) understand simple chemical phenomena with impact in society.
b) solve simple problems in thermochemistry, chemical thermodynamics, ideal gases, chemical kinetics, acids and bases, solubility, and electrochemistry.
c) perform calculations related to chemical phenomena and the corresponding physical measurements.
d) perform simple lab tasks – weighting, transfer of liquids and solids, titrations, measurement of absorvances and determination of concentrations.
e) critically assess results.
On successful completion of the module, students will have improved interpersonal skills and the ability to study alone.
Prerequisites
The design of this course takes into consideration the expected high diversity of of first year students of Engineering regarding chemistry background.
Subject matter
1. Fundamentals of Chemistry. Periodic Table. Introduction to the periodic properties of the elements. Stoichiometry. Chemical bond. Ideal gas law. Partial pressures.
2. Enthalpy. Enthalpies of formation and enthalpies of reaction.Chemical equilibrium. The first law of thermodynamics. Chemical equilibrium. Le Chateliêr’s Principle. Spontaneous transformations. Entropy and the second law of thermodynamics. Total entropy change. Gibbs energy. ∆G and the equilibrium constant.
3. Chemical equilibrium in ideal gas mixtures.
4. Acids and bases. Bronsted and Lowry’s concept. Self-ionisation of water. p Function. pH of strong and weak acids and bases. Buffer solutions. Acid-base titration. Titration curves. Acid-base indicators.
5. Precipitation reactions. Solubility product. Common ion effect. Separation of ions by fractional precipitation.
6. Redox reactions. Standard electrode potentials. Nernst equation. Concentration batteries. Corrosion.
7. Chemical kinetics. Reaction rates. Elementary reactions. Molecularity. Reaction mechanism. Determination of rate laws. Integral method. Half live. Differential method. Initial rates. Arrhenius law. Catalysis.
Bibliography
"Chemistry", R. Chang, Mc Graw Hill
"Química Geral - Conceitos Essenciais", R. Chang, Mcgraw-Hill, 4ª Edição, 2010, ISBN 9788563308047
"Química", R. Chang, Mc Graw Hill, 8ª Edição, 2005
Notes on Chemistry I (in portuguese) by S. Barreiros and M.N. da Ponte, FCT/UNL, 1988, available on the discipline Moodle webpage.
Tests and Exams solved (almost all) and non-solved from previous years, available on the discipline Moodle webpage.
Teaching method
This course uses Team-Based Learning, TBL, http://www.teambasedlearning.org .
The unit is organised in 5 modules. Before each module, students are provided with the learning material and a list of specific objectives. Before the first class of each module, each student must answer an individual test (Readiness Assurance Test). The same test is answer by teams in class, followed by a mini-lecture to solve the test, discuss doubts and reinforce the most difficult points.
In the other classes of the module, teams are challenged with application activities, including lab works.
Evaluation method
Class evaluation: 50%, Final exam (or 2 written tests): 50%
Minimum mark in exam (or tests): 9,5.
Mark for class activities=average of individual tests (25%) and team results (20% labs, 80% team works). Mark corrected by peer evaluation (team mark x points received by colleagues/100).