I am a very experienced chemistry teacher and have produced many quality resources which have been extensively tested in the classroom. My resources aim to engage the students and lighten the planning load for the teacher. A distinctive feature is the use of unique images, often animated, to explain concepts. The resources include interactive PowerPoints, activities and games, quizzes, worksheets with answers and exam style questions. Please review my resources!
I am a very experienced chemistry teacher and have produced many quality resources which have been extensively tested in the classroom. My resources aim to engage the students and lighten the planning load for the teacher. A distinctive feature is the use of unique images, often animated, to explain concepts. The resources include interactive PowerPoints, activities and games, quizzes, worksheets with answers and exam style questions. Please review my resources!
A set of five problems to practise identifying organic compounds from % composition, infrared (IR) spectroscopy and mass spectrometry. Suitable for AS or A2 level, this type of exercise is good preparation for exam questions on identifying organic compounds using combined spectroscopic techniques. It could also be used for revision or consolidation of IR spectroscopy and mass spectrometry, as well as for assessment for learning.
Full answers to all the problems are provided.
This resource was developed primarily for the OCR A level Chemistry specification but is useful for all specifications. It relates to the following sections :
AS: Module 4 – Core organic chemistry
Part 2 – Alcohols, haloalkanes and analysis
4.2.4 Analytical techniques
A2: Module 6 – Organic chemistry and analysis
Part 3 – Analysis
6.3.2 Spectroscopy (Combined techniques)
Please review!
Content covered
• Calculating empirical formula from % composition
• Calculating molecular formula from empirical formula and molar mass, using the molecular ion peak on the mass spectrum
• Using the infrared (IR) spectrum to identify bond stretches and hence functional group(s) present
��� Drawing structural formulae consistent with the molecular formula and IR data
• Using mass spectrum to distinguish between the suggested structural formulae
• Identifying fragments in the mass spectrum
Duration: 1 part lesson and/or independent study
Links
Please see also:
infrared (IR) spectroscopy - A level
https://www.tes.com/teaching-resource/infrared-ir-spectroscopy-a-level-home-learning-self-study-12315096
mass-spectrometry - A level
https://www.tes.com/teaching-resource/mass-spectrometry-a-level-home-learning-self-study-12287938
mass spectrometry summary AS home learning
https://www.tes.com/teaching-resource/mass-spectrometry-summary-as-home-learning-coronavirus-12287495
This complete year 12 lesson on introduction to alkanes covers part of OCR sections 4.1.2 (Alkanes). Content covered includes uses of alkanes as fuels, bonding and shapes of alkanes and their physical properties. The resource features a 27 slide animated PowerPoint along with a 6 page workbook. There is a starter activity and a short quiz as a plenary. Exam tips and answers to the exercise are provided. Ideal for the classroom or blended learning, this resource could be used as an introduction to the topic, or for revision, extension or consolidation.
This lesson is part of a series covering the OCR AS Chemistry specification and relates to the following part of the specification:
Module 4 – Core organic chemistry
Part 1 – Basic concepts and hydrocarbons
4.1.2 − Alkanes
Content covered:
Sources and uses of alkanes
Definitions of fossil fuels and crude oil
Uses of alkanes as fuels
Bonding in alkanes
Formation and rotation of sigma bonds
Shapes of alkanes
Intermolecular forces in alkanes in terms of non-polar molecules
Melting and boiling points of alkanes in terms of London forces
Effect of chain length and branching on London forces
Duration: 1 lesson
If you find this free resource useful, please leave a review!
Links
Previous lesson: topic 44 – Organic reagents and types of reaction
https://www.tes.com/teaching-resource/organic-reagents-and-types-of-reaction-ocr-as-chemistry-12643937
Next lesson: topic 46 – Reactions of alkanes
https://www.tes.com/teaching-resource/reactions-of-alkanes-ocr-as-chemistry-12987021
Lesson on naming hydrocarbons:
https://www.tes.com/teaching-resource/naming-hydrocarbons-with-quiz-as-12243823
Lesson on isomerism, including further information on shapes of alkanes and alkenes:
https://www.tes.com/teaching-resource/isomerism-ocr-as-chemistry-12634065
This complete lesson on introducing organic chemistry is ideal for classroom home learning features a 46 slide interactive, animated PowerPoint as well as a starter activity and plenary along with a 10 page workbook and a lesson plan. Exam tips and answers to all exercises are provided.
This lesson is part of a series covering the OCR AS Chemistry specification and relates to the following sections:
Module 4 – Core organic chemistry
Part 1 – Basic concepts and hydrocarbons
4.1.1 Basic concepts of organic chemistry
Please review!
Content covered:
• Why carbon is special
• Bonding in organic compounds
• Different types of formulae
• Types of organic compounds
• Functional groups and homologous series
Duration: 1 lesson
Links
Next lesson: Topic 41 - Naming hydrocarbons
https://www.tes.com/teaching-resource/naming-hydrocarbons-ocr-as-chemistry-12242016
This complete lesson on amount of substance and the mole is ideal for classroom and home learning. It features a 49 slide interactive PowerPoint including starter, group activities, quizzes, questions and plenary along with a 13 page worksheet and a lesson plan. Answers to all exercises are provided.
This lesson is part of a series covering the OCR AS Chemistry specification and relates to the following sections:
Module 2 – Foundations in chemistry
Part 1 – Atoms and reactions
2.1.3 Amount of substance
Please review!
Content covered:
• Relative masses and the mole
• Avogadro constant
• Calculating number of atoms
• Amount of substance
• Molar mass
• Calculating amount of substance from total mass and vice versa
• Mole triangle
Duration: 1-2 lessons
Links
Previous lesson: Topic 4 – Formulae and equations
https://www.tes.com/teaching-resource/formulae-and-equations-ocr-as-chemistry-12186723
Next lesson: Topic 6 – Determining formulae
https://www.tes.com/teaching-resource/determining-formulae-ocr-as-chemistry-12347977
Free resource - standard form, decimal places and significant figures
https://www.tes.com/teaching-resource/standard-form-decimal-places-and-significant-figures-a-level-chemistry-12405507
One of a series of FREE resources designed to help AS Chemistry students in year 12 to finish the AS specification by self-study before starting the A2 year.
This knowledge organiser / poster / mat summarises all the important information about mass spectrometry in a colourful and concise way. It can be printed on one A4 page.
For a more detailed treatment of the topic see Mass spectrometry – A level home learning https://www.tes.com/teaching-resource/mass-spectrometry-a-level-home-learning-12287938 which includes an interactive, animated PowerPoint and a worksheet with answers.
This resource was developed primarily for the OCR A level Chemistry specification but is useful for all specifications. It relates to the following sections :
AS: Module 4 – Core organic chemistry
Part 2 – Alcohols, haloalkanes and analysis
4.2.4 Analytical techniques
Please review!
Content covered
• diagram and description of a mass spectrometer
• m/z
• relative intensity
• base peak
• molecular ion
• M+1 peak
• fragments
• interpreting the mass spectrum
• mass spectrum of ethanol
• summary of fragments for ethanol
Unique package of interactive PowerPoint and paper based activities that can be used for independent work or in the classroom. This resource covers AS (year 12) organic synthetic routes through a 15 slide interactive PowerPoint that is based on a clear chart of numbered synthetic routes, where each number is linked to a page detailing that reaction. Information given includes type of reaction, reagents and conditions and an equation, as well as key definitions. In addition most reactions have an animated mechanism or structural equation. There are links to pages describing and explaining practical techniques, where relevant.
Also included are two posters of the synthetic routes, one blank and one completed, for printing (preferably A3 size), together with a blank table for practising types of reaction and reagents and conditions. Full answers are provided.
This resource was developed primarily for the OCR AS Chemistry specification but is useful for all specifications. It relates to the following sections :
Module 4 – Core organic chemistry
Part 2 – Alcohols, haloalkanes and analysis
4.2.3 Organic synthesis
Please review!
Content covered
• AS synthetic routes
• Animated mechanisms
• Key definitions
• Heating under reflux
• Distillation
• Reaction classification
• Reagents and conditions
• Structural equations
Duration: 1-2 lessons and/or independent study
See also: A level organic synthesis - aliphatic and aromatic
https://www.tes.com/teaching-resource/organic-synthesis-aliphatic-and-aromatic-12219292
This bundle is ideal for classroom or home learning and covers all of the OCR A level chemistry specification section 4.1.1 – basic concepts of organic chemistry, as well as isomerism from section 4.1.3 (Alkenes).
The topics covered are:
introduction to organic chemistry
naming hydrocarbons
quiz – a question of naming alkanes
functional groups – names and formulae
isomerism
organic reagents and types of reaction
Each topic includes a fully interactive PowerPoint including starter, group activities, questions and plenary along with a worksheet. Answers to all exercises are provided. Some of the resources include a PowerPoint quiz.
This bundle is part of a series covering the OCR AS Chemistry specification and relates to the following sections:
Module 4– Core organic chemistry
Part 2 – Basic concepts and hydrocarbons
4.1.1 Basic concepts of organic chemistry (all) and 4.1.3 Alkenes (part)
Content covered:
Introduction to organic chemistry
• Why carbon is special
• Bonding in organic compounds
• Different types of formulae
• Types of organic compounds
• Functional groups and homologous series
Naming hydrocarbons
• Application of IUPAC rules of nomenclature for systematically naming organic compounds
• Naming alkanes and cycloalkanes
• Naming branched alkanes
• Naming alkenes and branched alkenes
Quiz – A Question of naming alkanes
Functional groups – names and formulae
• Application of IUPAC rules of nomenclature for systematically naming organic compounds
• Practice naming organic compounds including those with functional groups
• Revision of empirical and molecular formula and how to calculate them
• Formulae of compounds with functional groups
Displayed formula
Structural formula
Skeletal formula
Isomerism
• Shapes of alkanes (with model building)
• Definitions of structural isomers, stereoisomers, E/Z isomers and cis-trans isomers
• Classification of isomers with examples
• Structural isomers including chain, position and functional group isomers
• Shapes of alkenes (with model building)
• Restricted rotation around the C=C double bond
• Stereoisomers – E/Z and cis-trans isomers
• Animated illustrations of E/Z isomers
• Criteria for E/Z isomerism and for cis-trans isomerism with examples and learning check
• Cahn-Ingold-Prelog rules for naming E/Z isomers with examples
Organic reagents and types of reaction
• Ways of breaking covalent bonds
Homolytic fission
Heterolytic fission
• Types of organic reagents and their reactions
Nucleophiles
Electrophiles
Radicals
• Introduction to mechanisms
• Curly arrows
• Types of reaction
Addition
Substitution
Elimination
• Classification of reactions
Links
Next lesson: Topic 45 - Introduction to alkanes
https://www.tes.com/teaching-resource/introduction-to-alkanes-ocr-as-chemistry-12654263
Unique package of interactive PowerPoint and paper based activities that can be used for independent work or in the classroom. This resource covers A level organic aliphatic and aromatic synthetic routes through two interactive PowerPoints, each based on a clear chart of numbered synthetic routes, where each number is linked to a page detailing that reaction. Information given includes type of reaction, reagents and conditions and an equation, as well as key definitions. In addition most reactions have an animated mechanism or structural equation. There are links to pages describing and explaining practical techniques, where relevant.
Includes two blank charts (one for aliphatic and one for aromatic) of the synthetic routes for printing (preferably A3 size), together with a blank table for practising types of reaction and reagents and conditions. Full answers are provided.
Please review!
Content covered
• A level synthetic routes – aliphatic and aromatic
• Extending carbon chain length (carbon-carbon bond formation)
• Animated mechanisms
• Key definitions
• Heating under reflux
• Distillation
• Reaction classification
• Reagents and conditions
• Structural equations
• Activated benzene rings
• Tests for functional groups
Duration: 1-3 lessons and/or independent study
Please see also AS organic synthesis
https://www.tes.com/teaching-resource/as-organic-synthesis-12254256
Unique package of interactive PowerPoint and paper-based activities that can be used for independent home learning, revision or in the classroom. This resource covers AS and A2 mass spectrometry through a 25 slide interactive PowerPoint, which is colourful, animated and presents the information in a flexible way. Each PowerPoint slide contains links to other slides, to enable easy navigation and to emphasise links between different aspects of mass spectrometry.
As well as pages devoted to each of the key terms in mass spectrometry, the PowerPoint shows clearly how fragmentation occurs and how the breakage of a particular bond can result in the fragment of a particular mass. A method for interpreting mass spectra is given, illustrated by several examples with animated spectra and structures to aid understanding of the process.
Also included is a graded worksheet with 7 pages, including problems where an unknown structure is identified. Full answers are provided.
This resource was developed primarily for the OCR A level Chemistry specification but is useful for all specifications. It relates to the following sections :
AS: Module 4 – Core organic chemistry
Part 2 – Alcohols, haloalkanes and analysis
4.2.4 Analytical techniques
A2: Module 6 – Organic chemistry and analysis
Part 3 – Analysis
6.3.2 Spectroscopy (Combined techniques)
Please review!
Content covered
• animated diagram and description of a mass spectrometer
• meaning of m/z
• relative intensity
• base peak
• molecular ion
• M+1 peak
• fragments
• interpreting the mass spectrum
• mass spectrum of ethanol
• animations of formation of fragments from ethanol
• summary of fragments for ethanol
• examples of mass spectra with animated explanation linking peaks to structure
Duration: 1-2 lessons and/or independent study
See also Chemistry of alcohols – AS home learning
https://www.tes.com/teaching-resource/chemistry-of-alcohols-as-self-study-12273938
Infrared spectroscopy – A level home learning
https://www.tes.com/teaching-resource/infrared-ir-spectroscopy-a-level-home-learning-self-study-12315096
This complete year 12 lesson covers the periodicity of ionisation energies and melting points. The section on ionisation energies includes the successive ionisation energies of a particular element and the variation in first ionisation energies across periods and down groups. The section on melting points includes the periodicity of structure and the variation in melting points across the periodic table. The resource features a 60 slide animated PowerPoint that illustrates and explains the concepts in a lively and visual way; it includes several interactive slides that link to other slides to allow a non-linear progression through the concepts. A starter and plenary are also included. An 18 page worksheet and answers to all exercises are provided.
This resource is part of a series covering the OCR AS Chemistry specification and relates to the following sections:
Module 3 – Periodic table and energy
Part 1 – The periodic table
3.1.1 Periodicity
Content covered:
• First ionisation energy – definition
• Factors affecting ionisation energies: nuclear charge, atomic radius and shielding
• Explanation of shielding
• Successive ionisation energies
• Predicting group from successive ionisation energies
• Periodicity of first ionisation energies
• Trends across a period and down a group
• Explanations of small decreases from group 2 to group 3 and from group 5 to group 6
• Periodicity of structure of elements: giant metallic, giant covalent and simple molecular structures
• Periodicity of melting points and explanation in terms of structure.
Duration: 2 lessons
Please review!
Links
Previous topic: Topic 21 – Periodic table past and present OCR AS Chemistry
https://www.tes.com/teaching-resource/periodic-table-past-and-present-ocr-as-chemistry-12964450
Next topic: Topic 23 - Group 2
https://www.tes.com/teaching-resource/group-2-ocr-as-chemistry-13074756
Related topic: Topic 20 Structure and bonding
https://www.tes.com/teaching-resource/structure-and-bonding-ocr-as-chemistry-12933603
This bundle is ideal for classroom or home learning and covers all of the OCR A level chemistry specification section 3.2.1 − enthalpy changes. The energetics topics covered are enthalpy changes, experimental determination of enthalpy changes, bond enthalpies and Hess’ Law. Each topic includes a fully interactive PowerPoint including starter, group activities, questions and plenary along with a worksheet. Answers to all exercises are provided. Some of the resources include a PowerPoint quiz.
This bundle is part of a series covering the OCR AS Chemistry specification and relates to the following section:
Module 3 – Periodic table and energy / Part 2 – Physical chemistry / 3.2.1 Enthalpy changes
Content covered:
Enthalpy changes
• What is enthalpy
• Law of conservation of energy
• Enthalpy change
• Enthalpy profile diagrams
• System and surroundings
• Exothermic and endothermic reactions and examples
• Activation energy
• Standard enthalpy changes
• Standard conditions
• Definitions of enthalpy changes
• Simple calculations involving enthalpy changes
Experimental determination of enthalpy changes
• Energy exchange with the surroundings - heat loss in a chemical system = heat gain by surroundings
• Temperature scales
• Determining enthalpy changes using calorimetry
• Calculations involving q = mc∆T .
• Determining enthalpy changes in solution
• Determining enthalpy of combustion
• Errors associated with calorimetry experiments and how to minimise them
• Cooling curves and how to find the temperature rise
• Thermometric titration
Bond enthalpies
• Making covalent bonds (exothermic) and breaking covalent bonds (endothermic)
• Overall enthalpy change linked to relative enthalpies of breaking and making bonds – enthalpy profile diagram
• Average bond enthalpies and why they differ from actual bond enthalpies
• Factors affecting average bond enthalpies
• Calculations involving bond enthalpies
• Limitations of bond enthalpy calculations
• Plenary discussion about why there is a constant increase in the enthalpy change of combustion of alcohols for each CH2 group added
Hess’ Law
• Hess’ Law
• Indirect determination of enthalpy changes
• Enthalpy cycles
• Calculating enthalpy changes from enthalpy changes of combustion
• Calculating enthalpy changes from enthalpy changes of formation
• Summary of types of enthalpy calculation
• Calculating enthalpy changes from unfamiliar enthalpy cycles
Links
Next lesson: Topic 29 – Rates of reaction and collision theory (in preparation)
Free resource - standard form, decimal places and significant figures
https://www.tes.com/teaching-resource/resource-12405507
This bundle is ideal for classroom or home learning and covers the whole of the OCR A level chemistry specification section 2.1.3 - Amount of Substance (together with the free resource - topic 10 Percentage yield and atom economy)
Each topic includes a fully interactive PowerPoint including starter, group activities, questions and plenary along with a worksheet and a lesson plan. Answers to all exercises are provided. Some of the resources include a PowerPoint quiz.
This bundle is the second in a series covering the OCR AS Chemistry specification and relates to the following sections:
Module 2 – Foundations in chemistry
Part 1 – Atoms and reactions
2.1.3 – Amount of substance
Content covered
Amount of substance and the mole
• Relative masses and the mole
• Avogadro constant
• Calculating number of atoms
• Amount of substance
• Molar mass
• Calculating amount of substance from total mass and vice versa
• Mole triangle
Determining formulae
• Definitions and use of the terms empirical and molecular formula
• Simplest whole number ratios
• Calculations of empirical and molecular formulae, from composition by mass or percentage compositions by mass and relative molecular mass
• Calculating % by mass from the formula
• The terms anhydrous, hydrated and water of crystallisation
• Calculation of the formula of a hydrated salt from given percentage composition, mass composition or based on experimental results
Moles and gas volumes
• Molar volume of a gas
• Moles and gas volume triangle
• Summary of relationships for gases between amount of substance, volume, mass and number of molecules
• Calculating amount of substance from volume of gas and vice versa
• Ideal gases
• The ideal gas equation
Moles and concentrations of solutions
• Definitions and use of the terms concentration and mass concentration
• Concentrated and dilute
• Relationship between concentration, amount in mol and volume including concentration triangle
• Calculating concentration, amount in mol, volume and mass from given data
• Example calculations
• Mass concentrations
• Choosing the correct glassware to measure volumes
• Standard solutions
• Practical activity – making up a standard solution
• Diluting solutions and calculations
• Practical activity – diluting solutions
Moles and reactions
• Balanced chemical equations and stoichiometry
• Molar ratios
• Using molar ratio to calculate amounts in moles of reactants and products in a chemical reaction
• Using molar ratio to calculate masses of reactants and products in a chemical reaction
• Using molar ratio to calculate volumes of gases in a chemical reaction
• Flow diagrams showing steps in calculations involving quantities of reacting substances
• Example calculations – clearly illustrated in a highly visual way
Percentage yield and atom economy
• Introduction to Green Chemistry
• Reasons why reactions do not have 100% yield
• % yield and how to calculate it
• Calculations of % yield involving limiting reactant
• Atom economy and its importance in the sustainability of a chemical process
• Calculating atom economy
• Example calculations – clearly illustrated in a highly visual way
• Differences between atom economy and % yield
• Comparing chemical processes in terms of sustainability (using production of ethanol as an example)
Links
Previous bundle:
Atomic structure, masses, formulae and equations https://www.tes.com/teaching-resource/atomic-masses-formulae-and-equations-ocr-as-chemistry-12348685
Next bundle
Acids, titrations and redox
https://www.tes.com/teaching-resource/acids-titrations-and-redox-ocr-as-chemistry-12749654
Free resource - standard form, decimal places and significant figures
https://www.tes.com/teaching-resource/standard-form-decimal-places-and-significant-figures-a-level-chemistry-12405507
Now corrected with jigsaw discussion question sheets included.
This complete year 12 lesson on the periodic table includes the history of the periodic table, the features of the modern periodic table and periodicity. The resource features a 20 slide animated PowerPoint that illustrates the concepts in a lively and visual way and includes a starter, a jigsaw discussion activity on the periodic table with a quiz, and a true-false quiz that could be used as a plenary or a recap at the start of the next lesson. A 4 page worksheet and answers to all exercises, quizzes and discussion questions are provided.
This resource is part of a series covering the OCR AS Chemistry specification and relates to the following sections:
Module 3 – Periodic table and energy
Part 1 – The periodic table
3.1.1 Periodicity
Content covered:
• The history of the periodic table, including Newlands’ and Mendeleev’s contributions
• The structure of the modern periodic table – periods, groups and blocks
• Relationship between electron configuration and the periodic table
• Periodicity – the variation in properties when plotted against atomic number
• Periodicity and metallic character
• Metal and non-metals
Duration: 1-2 lessons
Please review!
Links
Previous topic: Topic 20 – Structure and bonding OCR AS Chemistry
https://www.tes.com/teaching-resource/structure-and-bonding-ocr-as-chemistry-12933603
Next topic: Topic 22 Periodicity of ionisation energies and melting points https://www.tes.com/teaching-resource/periodicity-of-ionisation-energies-and-melting-points-ocr-as-chemistry-12974680
Related topic: Topic 14 Electronic configurations – shells, sub-shells and orbitals
https://www.tes.com/teaching-resource/electron-configuration-shells-sub-shells-and-orbitals-ocr-as-chemistry-12207312
Unique package of interactive PowerPoint and paper-based activities that can be used for independenthome learning, revision or in the classroom. This resource covers AS chemistry of alcohols through a 19 slide interactive PowerPoint, which is colourful, animated and presents the information in a flexible way. Each PowerPoint slide contains links to other slides, to enable easy navigation and to emphasise links between the types of alcohol and the types of reaction.
As well as pages devoted to each of the main types of reaction (substitution, oxidation and elimination), primary, secondary and tertiary alcohols each have a page with a clear chart of numbered reactions, where each number is linked to a page detailing that reaction. Information given includes type of reaction, reagents and conditions and an equation, as well as key definitions. In addition the reactions have an animated mechanism or structural equation. There are links to pages describing and explaining practical techniques, where relevant.
Also included are two worksheets with a total of 8 pages. Full answers are provided.
This resource was developed primarily for the OCR AS Chemistry specification (year 12) but is useful for all specifications. It relates to the following sections :
Module 4 – Core organic chemistry
Part 2 – Alcohols, haloalkanes and analysis
4.2.1 Alcohols
Please review!
Content covered
• Naming alcohols
• Primary, secondary and tertiary alcohols
• Substitution reaction of alcohols
• Oxidation of alcohols
• Elimination (dehydration) reaction of alcohols
• Reactions of primary, secondary and tertiary alcohols
• Animated mechanisms
• Reaction classification
• Reagents and conditions
• Structural equations
• Key definitions
• Heating under reflux
• Distillation to prevent complete oxidation
Duration: 1-2 lessons and/or independent study
Please see also
***Mass spectrometry - A level ***
https://www.tes.com/teaching-resource/mass-spectrometry-a-level-self-study-12287938
***Infrared spectroscopy - A level ***
https://www.tes.com/teaching-resource/infrared-ir-spectroscopy-a-level-home-learning-self-study-12315096
This introduction to standard form, decimal places and significant figures features a 14 slide interactive PowerPoint including explanations, examples and practice exercises. Answers to all exercises are given.
This resource is complementary to the mathematical topics of chemistry A level in years 12 and 13, for example; amount of substance, concentrations, volumes of gases as well as equilibrium constants, energy changes and rates of reaction.
Content covered:
• Standard form
• Decimal places and how to reduce them
• Significant figures and how to reduce them
• How to choose an appropriate number of significant figures in an answer
Links
Topic 5 – Amount of substance and the mole
https://www.tes.com/teaching-resource/amount-and-moles-ocr-as-chemistry-12190652
Topic 6 – Determining formulae
https://www.tes.com/teaching-resource/determining-formulae-ocr-as-chemistry-12347977
Topic 7 – Moles and gas volumes
https://www.tes.com/teaching-resource/moles-and-gas-volumes-ocr-as-chemistry-12336053
Topic 8 – Moles and concentrations of solutions
https://www.tes.com/teaching-resource/moles-and-concentration-of-solutions-ocr-as-chemistry-12391026
Bundle – Moles, masses, concentration, gas volumes and reactions
https://www.tes.com/teaching-resource/moles-masses-concentrations-gas-volumes-and-reactions-12404451
This complete year 12 lesson on names and formulae of organic compounds with functional groups covers part of OCR section 4.1.1 (Basic concepts of organic chemistry). It features a 42 slide animated PowerPoint as well as a starter activity and plenary along with a 12 page workbook. Exam tips and answers to all exercises are provided. Ideal for the classroom or blended learning, this resource could be used as an introduction to the topic, or for revision, extension or consolidation.
This lesson is part of a series covering the OCR AS Chemistry specification and relates to the following part of the specification:
Module 4 – Core organic chemistry
Part 1 – Basic concepts and hydrocarbons
4.1.1 Basic concepts of organic chemistry
Content covered:
• Application of IUPAC rules of nomenclature for systematically naming organic compounds
• Practice naming organic compounds including those with functional groups
• Revision of empirical and molecular formula and how to calculate them
• Formulae of compounds with functional groups
- Displayed formula
- Structural formula
- Skeletal formula
Duration: 1 lesson
Please review!
Links
Previous lesson: topic 41 – Naming hydrocarbons
https://www.tes.com/teaching-resource/resource-12242016
Quiz: A question of naming alkanes
https://www.tes.com/teaching-resource/resource-12243809
Bundle: Naming alkanes with quiz
https://www.tes.com/teaching-resource/resource-12243823
Next lesson: topic 43 – Isomerism
https://www.tes.com/teaching-resource/resource-12634065
This complete year 12 resource on percentage yield and atom economy includes an introduction to Green Chemistry, percentage yield, limiting reactant and atom economy and its importance for sustainability. It features a 53 slide interactive PowerPoint that illustrates the concepts in a lively, visual and systematic way and includes a starter, learning checks, clearly explained example calculations, and a true false quiz as plenary. A 13 page worksheet and answers to all exercises are provided. Ideal for the classroom or blended learning, this resource could be used to present the topic, or for revision, extension or consolidation.
This lesson is part of a series covering the OCR AS Chemistry specification and relates to the following sections:
Module 2 – Foundations in chemistry
Part 1 – Atoms and reactions
2.1.3 – Amount of substance
Content covered:
• Introduction to Green Chemistry
• Reasons why reactions do not have 100% yield
• % yield and how to calculate it
• Calculations of % yield involving limiting reactant
• Atom economy and its importance in the sustainability of a chemical process
• Calculating atom economy
• Example calculations – clearly illustrated in a highly visual way
• Differences between atom economy and % yield
• Comparing chemical processes in terms of sustainability (using production of ethanol as an example)
Duration: 1-2 lessons
Please review!
Links
Previous topic: Topic 9 – Moles and reactions
https://www.tes.com/teaching-resource/moles-and-reactions-ocr-as-chemistry-12404411
Next topic: Topic 11 – Acids and bases
https://www.tes.com/teaching-resource/acids-and-bases-ocr-as-chemistry-12747201
Bundle covering whole of 2.1.3 – Amount of substance
https://www.tes.com/teaching-resource/moles-masses-concentrations-gas-volumes-and-reactions-12404451
This complete year 12 resource (2 lessons) on moles and reactions includes reacting masses, stoichiometry, molar ratios and using moles to calculate quantities from chemical reactions (mass, concentration and volume of gases). It features a 33 slide interactive PowerPoint that illustrates the concepts in a lively, visual and systematic way and includes a starter, learning checks, clearly explained example calculations, and a plenary. A 24 page worksheet and answers to all exercises are provided.
This lesson is part of a series covering the OCR AS Chemistry specification and relates to the following sections:
Module 2 – Foundations in chemistry
Part 1 – Atoms and reactions
2.1.3 – Amount of substance
Content covered:
• Balanced chemical equations and stoichiometry
• Molar ratios
• Using molar ratio to calculate amounts in moles of reactants and products in a chemical reaction
• Using molar ratio to calculate masses of reactants and products in a chemical reaction (reacting masses)
• Using molar ratio to calculate volumes of gases in a chemical reaction
• Flow diagrams showing steps in calculations involving quantities of reacting substances
• Example calculations – clearly illustrated in a highly visual way
Duration: 2 lessons
Please review!
Links
Previous topic: topic 8 – Moles and concentrations of solutions https://www.tes.com/teaching-resource/moles-and-concentration-of-solutions-ocr-as-chemistry-12391026
Next topic: topic 10 – Percentage yield and atom economy (free resource)
https://www.tes.com/teaching-resource/resource-12745344
Free resource - standard form, decimal places and significant figures
https://www.tes.com/teaching-resource/standard-form-decimal-places-and-significant-figures-a-level-chemistry-12405507
Bundle covering whole of 2.1.3 – Amount of substance
https://www.tes.com/teaching-resource/moles-masses-concentrations-gas-volumes-and-reactions-12404451
This complete year 12 lesson on covalent bonding includes dot-and-cross diagrams, single, double, triple and dative covalent bonds as well as lone pairs, exceptions to the Octet Rule and bond enthalpies. It features a 37 slide animated PowerPoint that illustrates the concepts in a lively and visual way and includes a starter, learning checks, animations, clearly explained examples including dot-and-cross diagrams, and a plenary discussion. A 12 page worksheet and answers to the exercises are provided.
This resource is part of a series covering the OCR AS Chemistry specification and relates to the following sections:
Module 2 – Foundations in chemistry
Part 2 – Electrons, bonding and structure
2.2.2 Bonding and structure
Content covered:
• Definition of a covalent bond
• Single, double and triple covalent bonds
• Lone pairs
• How to construct dot-and-cross diagrams
• Dative covalent or coordinate bonds
• The Octet Rule and exceptions
• Average bond enthalpies
Duration: 1-2 lessons
Please review!
Links
Previous topic: Topic 15 Ionic bonding OCR AS Chemistry https://www.tes.com/teaching-resource/resource-12598361
Next topic: Topic 17 – Shapes of molecules and ions OCR AS Chemistry https://www.tes.com/teaching-resource/resource-12220291
This complete year 12 lesson on bond enthalpies covers part of OCR section 3.2.1 (Enthalpy changes). It includes the energetics topics: making and breaking covalent bonds, average bond enthalpies, calculations involving bond enthalpies and their limitations. It features a 25 slide interactive PowerPoint that illustrates the concepts in a lively, visual and systematic way and includes a starter, learning checks, clearly explained examples, including example calculations ,and a plenary discussion. An 8 page worksheet and answers to the exercises are provided.
This resource is part of a series covering the OCR AS Chemistry specification and relates to the following sections:
Module 3 – Periodic table and energy
Part 2 – Physical chemistry
3.2.1 – Enthalpy changes
Content covered:
• Making covalent bonds (exothermic) and breaking covalent bonds (endothermic)
• Overall enthalpy change linked to relative enthalpies of breaking and making bonds – enthalpy profile diagram
• Average bond enthalpies and why they differ from actual bond enthalpies
• Factors affecting average bond enthalpies
• Calculations involving bond enthalpies
• Limitations of bond enthalpy calculations
• Plenary discussion about why there is a constant increase in the enthalpy change of combustion of alcohols for each CH2 group added
Duration: 1 lesson
Please review!
Links
Previous topic: Topic 26 – Experimental determination of enthalpy changes OCR AS chemistry
https://www.tes.com/teaching-resource/resource-12517135
Next topic: Topic 28 – Hess’s Law
https://www.tes.com/teaching-resource/resource-12608484
Free resource - Standard form, decimal places and significant figures https://www.tes.com/teaching-resource/resource-12405507