Chemistry Laboratory I

Code:

Q1003

Acronym:

Q1003

Level:

100

Keywords
Classification	Keyword
OFICIAL	Chemistry

Instance: 2019/2020 - 1S

Active?	Yes
Responsible unit:	Department of Chemistry and Biochemistry
Course/CS Responsible:	Bachelor in Chemistry

Cycles of Study/Courses

Acronym	No. of Students	Study Plan	Curricular Years	Credits UCN	Credits ECTS	Contact hours	Total Time
L:B	1	Official Study Plan	3	-	6	56	162
L:CC	0	Plano de estudos a partir de 2014	2	-	6	56	162
			3
L:F	1	Official Study Plan	2	-	6	56	162
			3
L:G	0	study plan from 2017/18	3	-	6	56	162
L:M	2	Official Study Plan	2	-	6	56	162
			3
L:Q	53	study plan from 2016/17	1	-	6	56	162

Teaching language

Suitable for English-speaking students

Objectives

The Chemistry Lab I (Q1003) course comprises a set of practical assignments, involving several experimental techniques and procedures.

Learning outcomes and competences

Providing the students with basic training in chemistry laboratory techniques.
It is intended that at the end of the semester the student has acquired the following basic skills: to be able to perform correctly  a set of basic unit operations in laboratory chemistry; to be able to plan and execute laboratory experiments in chemistry; interpret experimental results and prepare written reports of experimental activities.

Working method

Presencial

Program

A1 – Theoretical-practical lessons (1 h / week)

1. Safety rules.
2. Errors and significant digits
2.1. Handling significant digits
2.2. Precision, accuracy and types of errors
2.3. Error propagation
2.4 Presenting final results
3. Calculations on solution concentrations
4. Acid-base titrations
5. Purification methods
5. Stoichiometric calculations on gases
6. Phase equilibria
7. Absorption of light and the Beer-Lambert Law

A2 – Lab classes (3 h /week)

1. Introduction to the course. Safety rules in the lab.
2. Introduction to basic chemistry lab operations.
3. Laboratory experiments:
PL1 – Preparation of solutions (2 classes).
PL2 – Acid-base titration (3 classes).
PL3 – Purification by recrystalization.
PL4 – Determination of the stoichiometry of a reaction.
PL5 – Destilation of a water-acetone mixture.
PL6 – Spectrophotometric determination of a food dye.
4. Discussion of results and reports.
5. Individual practical assessment.

Mandatory literature

Laboratório de Química I (Q1003) – Trabalhos Práticos; Departamento de Química e Bioquímica – Faculdade de Ciências, Porto, 2019
Eduardo Figueira Marques; Notas sobre Erros e Tratamento de Dados em Química, Departamento de Química e Bioquímica – Faculdade de Ciências, Porto, 2012

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

Teaching methods and learning activities

Theoretical-practical, laboratory, and online classes.

Evaluation Type

Distributed evaluation without final exam

Assessment Components

designation	Weight (%)
Trabalho laboratorial	50,00
Trabalho prático ou de projeto	50,00
Total:	100,00

Amount of time allocated to each course unit

designation	Time (hours)
Estudo autónomo	106,00
Frequência das aulas	14,00
Trabalho laboratorial	42,00
Total:	162,00

Eligibility for exams

In this course it is mandatory to comply with the attendance in practical classes.
The students must attend a minimum of 75% of the total number of laboratory classes to be admitted for assessment.

Calculation formula of final grade

Continuous assessment without final exam.

Final mark:

NF = 0.50 x NTP + 0.50 x NAP
where NTP is the average grade of all practical sessions and NAP is the individual lab assessment mark.

Approval requires NTP ≥ 10 and NAP ≥ 8.