General Chemistry Laboratory

Code:

Q1005

Acronym:

Q1005

Level:

100

Keywords
Classification	Keyword
OFICIAL	Chemistry

Instance: 2019/2020 - 2S

Active?	Yes
Web Page:	https://moodle.up.pt/course/view.php?id=502
Responsible unit:	Department of Chemistry and Biochemistry
Course/CS Responsible:	Bachelor in Physics

Cycles of Study/Courses

Acronym	No. of Students	Study Plan	Curricular Years	Credits UCN	Credits ECTS	Contact hours	Total Time
L:B	0	Official Study Plan	3	-	3	28	81
L:CC	3	Plano de estudos a partir de 2014	2	-	3	28	81
			3
L:F	52	Official Study Plan	1	-	3	28	81
			2
			3
L:G	0	study plan from 2017/18	2	-	3	28	81
			3
L:M	1	Official Study Plan	2	-	3	28	81
			3
MI:EF	77	study plan from 2017/18	1	-	3	28	81

Teaching language

Portuguese

Objectives

The Chemistry Lab (Q1005) course comprises a set of experimental activities to be carried out and/or visualized, which involve several unit operations in Chemistry.

Learning outcomes and competences

Providing the students with a basic training in executing and/or visualizing chemistry laboratory experiments.
It is intended that, at the end of the semester, the student has acquired (i) comprehensive knowledge of the main unit operations in Chemistry; (ii) full understanding of the fundamentals underpinning those operations; (iii) ability to critically analyze and use experimental data to ellaborate lab reports.

Working method

B-learning

Program

As long as lab activities can be carried out as without any type of restrictions to their normal experimental execution, the programme set below should be imparted presencially, conveniently supported by complementary e-learning tools. If circumstances emerge that partially or totally block the possibility to work normally in the lab (e.g., COVID-19 pandemics), those activities which cannot be performed experimentally will be illustrated by means of selected videos, presenting both the relevant experimental procedures and their fundamentals. 

PROGRAMME:


PRESENTATION OF THE SCOPE, RULES AND EVALUATION METHODS (4 h)

1. Introduction to the course. Safety rules in the lab.
2. Introduction to basic chemistry calculations and lab operations.

LABORATORY EXPERIMENTS (2 h/week)

PL1 – Preparation of solutions of approximate and rigorous titer.
PL2 – Strong Acid-Base titration.
PL3 - Weak Acid-Base titration.
PL4 – Purification by recrystallization.
PL5 – Determination of the stoichiometry of a reaction.
PL6 – Distillation of a water-acetone mixture.
PL7 - Spectrophotometric quantitation of a food colorant.



FINAL INDIVIDUAL EVALUATION (only applicable if the full programme has been imparted presentially)

- individual practical examination, where each student will be attributed one laboratorial activity to execute experimentally; this evaluation will take place in the last couple of weeks of the academic year. 

Mandatory literature

Paula Gomes; Manual de Trabalhos Práticos, Laboratório de Química Geral (Q1005) – Trabalhos Práticos;Departamento de Química e Bioquímica – Faculdade de Ciências, Porto, 2017, 2018

Complementary Bibliography

José A. Martinho Simões, Miguel A. R. Botas Castanho, Isabel M. S. Lampreia, Fernando J. V. Santos, Carlos A. Nieto de Castro, M. Teresa Pamplona, Manuel E. Minas da Piedade; Guia do Laboratório de Química e Bioquímica, 3ª edição, Lidel, Lisboa, 2017
Eduardo Figueira Marques; Notas sobre Erros e Tratamento de Dados em Química, Departamento de Química e Bioquímica – Faculdade de Ciências, Porto, 2012
Madalena M. M. Pinto; “Manual de trabalhos laboratoriais de química orgânica e farmacêutica”, LIDEL, 2011

Teaching methods and learning activities

Laboratory practices and support/e-learning materials available through the Moodle UPorto online platform.

Evaluation Type

Distributed evaluation without final exam

Assessment Components

designation	Weight (%)
Trabalho escrito	50,00
Trabalho laboratorial	50,00
Total:	100,00

Amount of time allocated to each course unit

designation	Time (hours)
Estudo autónomo	53,00
Frequência das aulas	28,00
Total:	81,00

Eligibility for exams

For approval, students will have to:

a) attend to at least 3/4 of the laboratory classes scheduled for the current year;

b) have a positive assessment on, at least, 2/3 of the lab reports requested;

c) a final 8+ grade in the individual practical examination, in case this actually takes place.

Calculation formula of final grade

This course has an evaluation system based on continuous assessment without final exam.

In the regular situation where the final individual evaluation can take place, the final mark (NF) will be given by:

NF = 0.65 x NP + 0.35 x NEI

where NP is the average mark of the delivered lab reports, and NEI is the mark obtained in the individual practical examination.

If circumstances do not allow to carry out the individual practical examination, the final mark (NF) will correspond simply to the average mark of the delivered lab reports, i.e.,

NF = NP

Examinations or Special Assignments

All omitted and unpredicted cases will be addressed on a casuistic basis.

Special assessment (TE, DA, ...)

Working students, or any students who, justifiably, have been unable to to comply with the requisites to be approved in the terms established above, will have to be submitted to an extraordinary examination. In these cases, the final mark will correspond to the classification obtained in this examination.

Classification improvement

Not applicable. The only way to try to increase the final mark is by enrolling and attending the course again, from start, on a subsequent academic year.