The learning outcomes for this unit are described below. These outcomes are built from the learning activities in lectures, tutorials, laboratory and independent study. Important attributes are:
- the ability to apply scientific knowledge and critical thinking to identify, define and analyse problem and create solutions: you will be expected to demonstrate these outcomes on problems drawn from the material presented in the course and to novel situations.
- the ability to evaluate your own performance and development and to recognize gaps in your knowledge: keep a portfolio of your progress using the 'self assessment tool'
- Generic Attributes
By the end of this topic, you should be able to
- apply scientific knowledge and critical thinking to identify, define and analyse problems, create solutions, evaluate opinions, innovate and improve current practices
- gather, evaluate and deploy information relevant to a scientific problem
- disseminate new knowledge and engage in debate about scientific issues
- recognize the rapid and sometimes major changes in scientific knowledge and technology, and to value the importance of continual growth in knowledge and skills
- use a range of computer software packages in the process of gathering, processing and disseminating scientific knowledge
- make value judgements about the reliability and relevance of information in a scientific context
- evaluate your own performance and development, to recognize gaps in knowledge and acquire new knowledge independently
- set achievable and realistic goals and monitor and evaluate progress towards these goals
- appreciate sustainability and the impact of science within the broader economic, environmental and socio-cultural context
- present and interpret data or other scientific information using graphs, tables, figures and symbols
- work independently and as part of a team and to take individual responsibility with a group for developing and achieving goals
- actively seek, identify and create effective contacts with others in a professional and social context, and maintain those contacts for mutual benefit
- recognize the importance of safety and risk management and compliance with safety procedures
- manipulative equations and measurements with due regard for significant figures and unit conventions
- Laboratory Skills
By the end of this topic, you should be able to
- perform careful and safe experiments
- accurately report scientific observations
- work as a professional scientist with due regard for personal safety and for the safety of those around you
- interpret observations in terms of chemical models with appropriate use of chemical equations and calculations
- perform calculations containing concentrations, moles and masses
- choose and use appropriate glassware for a given task
- choose and use balances accurately and appropriately
- present and interpret data or other scientific information using graphs, tables, figures and symbols
- work as a member of a team and to take individual responsibility within a group for developing and achieving group goals
- actively seek, identify and create effective contacts with others in a professional and social context, and maintain those contacts for mutual benefit
- Atomic Structure
By the end of this topic, you should be able to
- list the particles that make up atoms, their symbols and their relative masses and charges
- calculate the average atomic mass from isotope information
- identify the components of the wave equation
- convert between the wavelength, frequency and energy of light
- explain the meaning of the orbital quantum numbers, n, l, m, and the designation of orbitals such as 1s, 3d, 4p, 4f.
- recognise the shapes of s, p and d atomic orbitals in these representations
- The Periodic Table
By the end of this topic, you should be able to
- draw out the electron configuration for atoms in the s-, p- and d- blocks of the Periodic Table, including unpaired electrons
- assign atoms to appropriate groups in the Periodic Table on the basis of their properties
- give examples of periodic trends and chemical properties used to construct the Periodic Table
- explain periodic trends in atomic radii and ionization energies in terms of size and effective nuclear charge
- give examples of essential, toxic and medicinal elements
- describe how the role of these elements relates to their chemical properties
- Chemical Bonding
By the end of this topic, you should be able to
- appreciate what a mole of substance is
- convert between mass and moles and between moles and mass
- work out the percentage yield in a chemical reaction by identifying the limiting reagent and the theoretical yield
- use experimentally determined percentage composition to work out the empirical formula
- use the ideal gas law to relate the number of moles, pressure, volume and temperature of a gas using the common units of pressure (atm, Pa and mmHg), volume (mL, L and m3) and the appropriate value of the gas constant, R
- explain the characteristics of ionic, metallic and covalent bonding
- draw out plausible Lewis structures for simple polyatomic molecules
- assign bond orders based on sharing of electron pairs and resonance structures
- identify single, double and triple bonds and the σ and π-components of these bonds
- The Shapes of Molecules
By the end of this topic, you should be able to
- work out the number of bonding and non-bonding pairs from the Lewis structure of a molecule
- predict the distribution of these pairs around an atom
- place any lone pairs in appropriate positions to minimize the overall electron pair repulsion
- predict and describe the molecular shape
- predict the hybridization around C, N and O atoms in organic compounds
- relate electronegativity to bond polarity
- relate bond polarity and molecular shape to the existence of a molecular dipole moment
- Intermolecular forces
By the end of this topic, you should be able to
- describe the different kinds of intermolecular forces that exist
- identify which intermolecular forces are present and which are more important between different molecules
- relate variations in melting and boiling points in related compounds to their intermolecular forces
- Acids and Bases
By the end of this topic, you should be able to
- list common acids and bases
- define acids and bases according to the Arrhenius and Bronsted-Lowry models
- use the definitions of pH and Kw to quantify the acidity and basicity of aqueous solutions
- explain the difference between a strong and weak acid and the difference between a strong and weak base in terms of the percentage dissociation in solution
- Alkenes
By the end of this topic, you should be able to
- identify alkene diastereomers as E or Z
- identify the electrophiles and nucleophiles in a reaction
- follow a reaction mechanism using curly arrows
- predict the major products obtained from the reaction of alkenes with electrophiles (using Markovnikov's rule)
- Organic Halogen Compounds
By the end of this topic, you should be able to
- identify and name organic halogen compounds
- predict the products of the elimination of alkyl halides, using Zaitsev's rule, and give the reagents required to perform this reaction
- Identify the products of nucleophilic substitution of alkyl halides
- determine the nucleophile required to react with an alkyl halide to give a specified product
- appreciate that nucleophilic substitution follows two mechanisms and the factors that effect each mechanism
- identify a Grignard Reagent and know how to make it
- Alcohols, Phenols, Ethers and Thiols
By the end of this topic, you should be able to
- identify and name simple alcohols, diols, triols and phenols
- explain why phenols are more acidic than alcohols
- predict the products of oxidation of an alcohol and give the reagents required to perform this reaction
- explain the nucleophilicity and basicity of alcohols
- predict the products of the elimination of alcohols, using Zaitsev's rule, and give the reagents required to perform this reaction
- explain the mechanism of dehydration
- predict the products of oxidation of a thiol and reduction of a disulfide
- Aldehydes and Ketones
By the end of this topic, you should be able to
- identify and name simple ketones and aldehydes
- explain the mechanism of nucleophilic addition to a carbonyl
- predict the products of oxidation and reduction of aldehydes and ketones and give the reagents required to perform these reactions
- identify the oxidant and reductant in the NADH / NAD+ cycle
- recognize hemiacetals and acetals
- identify the products of their reactions with Grignard reagents
- identify the products of their reactions with amines
- Spectroscopy
By the end of this topic, you should be able to
- explain the basic principles of a mass spectrometer
- identify the molecular ion, base peak and daughter ions in a mass spectrum
- recognize the isotope distribution characteristic or bromine and chlorine containing compounds in a mass spectrum
- use the information that IR and UV-visible spectra provide to aid in the determination of structures
- explain the basic principles of NMR spectroscopy
- identify the number and type of hydrogen environments in a molecule and predict the the number of signals in a 1H NMR spectrum
- predict the number of hydrogen atoms in each environment from the size of the signals in a 1H NMR spectrum
- predict the number of hydrogen atoms on neighbouring atoms from the multiplicity of the signals in a 1H NMR spectrum
- determine the structure of a simple compound from spectroscopic data
- appreciate the basis of magnetic resonance imaging (MRI) in medical applications
- Carboxylic Acids and Derivatives
By the end of this topic, you should be able to
- identify and name simple carboxylic acids
- give the products from the reaction of a carboxylic acid with a base and recognize that this is a reversible reaction
- suggest preparation reactions from primary alcohols and from Grignard reagents and CO2
- predict the product of the reduction of a carboxylic acid and give the reagents required to perform this reaction
- identify carboxylic acid derivatives as esters, amides, acid halides and acid anhydrides
- give the products obtained upon hydrolysis of these carboxylic acid derivatives
- recognize that acid halides are more reactive than esters which are, in turn, more reactive than amides
- predict the products that will be formed when a carboxylic acid derivative is treated with an alcohol or amine
- give the reagents required for the interconversion of carboxylic acid derivatives
- list the physical properties of fats and oils
- Stereochemistry
By the end of this topic, you should be able to
- identify stereogenic centres in organic molecules
- distinguish between different types of isomers, including enantiomers and diastereomers
- use (R)- and (S)- descriptors to describe enantiomers and identify if a compouind has (R)- or (S)- stereochemistry
- convert between stereo structures and Fischer projections
- determine the maximum number of isomers possible in a compound with more than one stereogenic centre
- identify meso compounds and when to expect them
- appreciate the role of chirality in nature and in drug design
- Carbohydrates
By the end of this topic, you should be able to
- use Fisher projections to represent the structures of D- and L-sugars
- convert between Fisher projections and Haworth representations
- identify the anomeric carbon atom in cyclic saccharides
- predict the products of oxidation and reduction of sugars
- predict the products of hydrolysis of disaccharides and polysaccharides