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A level Chemistry: Amino acids, Amides and Chirality
OCR A level Chemistry: 27.2 Amino acids, Amides and Chirality
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Locants: alpha, beta, and gamma
Functional groups of amino acids
General formula for amino acids
Reactions of amino acids (alkali and acid)
Esterification of amino acids
Amide functional groups
Naming amide molecules
Drawing optical isomers
Explanation of superimposable and non-superimposable images
Identifying chiral centers
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OCR AS level Physics: Materials
OCR AS level Physics presentations for module 3: Materials.
All presentations come with worked examples, solutions and homeworks.
This covers topics from Hooke’s Law to Young Modulus.
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A level Chemistry: Condensation Polymers
OCR A level Chemistry: 27.3 Condensation Polymers
This PowerPoint is a whole lesson included with student activities, animated answers, homework questions with answers provided.
This lesson covers:
Recap of addition polymerisation
Identifying monomers and repeat units from condensation polymers
Polyesters and ester links
Polyamides and amide links
Polyesters and polyamides formed from one monomer
Polyesters and polyamide formed from two monomers
Alkali hydrolysis of polyamides and polyesters
Acid hydrolysis of polyamides and polyesters
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OCR A level Physics: Magnetic Fields
OCR A level Physics: Chapter 23 Magnetic Fields is apart of the Module 6: Particle and Medical Physics
All presentations come with worked examples, solutions and homeworks.
23.1 Magnetic fields
23.2 Understanding magnetic fields
23.3 Charged particles in magnetic fields
23.4 Electromagnetic induction
23.5 Faraday’s law and Lenz’s law
23.6 Transformers
Attraction and repulsion of magnets
Rules for magnetic field lines
The magnetic field of Earth
Applying the right-hand cork screw rule
How to create uniformed magnetic fields
Solenoids
Fleming’s left hand rule
Determining the direction of force on a current carrying conductor
Calculating the magnitude of force on a current carrying conductor
Angles between the magnetic field and current carrying conductor
An experiment to determine the magnetic flux density of a field.
Apply Fleming’s left-hand rule to charged particles
Deriving an equation for the magnetic force experienced by a single charged particle (F = BQv)
Charged particles describing (moving) in circular paths in magnetic fields.
The velocity selector.
The Hall probe and Hall voltage.
Electromagnetic induction produces an induced e.m.f
Conditions to produce electromagnetic induction
How to increase electromagnetic induction
Magnetic flux density, magnetic flux, and magnetic flux linkage
Units of weber (Wb)
Magnetic flux density and magnetic flux linkage
Faraday’s Law
Lenz’s Law
Alternators and induced e.m.f.
Graphs of flux linkage and induced e.m.f.
Structure of transformers
Step-up and step-down transformers
The turn-ratio equation
The ideal transformer equation
Why transformers are used in the National Grid
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OCR AS level Physics: Waves 2
OCR AS level Physics presentations for module 4: Waves 2
All presentations come with worked examples, solutions and homeworks.
This covers topics from Superposition of Waves to Harmonics with different boundary conditions.
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OCR AS level Physics: Laws of Motion
OCR AS level Physics presentations for module 3: Materials.
All presentations come with worked examples, solutions and homeworks.
This covers topics from Newton’s laws to conservation of momentum in two dimensions.
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OCR AS level Physics: Forces in Action
OCR AS level Physics presentations for module 3: Forces in Action.
All presentations come with worked examples, solutions and homeworks.
This covers topics from weight as a force to Archimedes’ principle.
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OCR AS level Physics: Electrical Circuits
OCR AS level Physics presentations for module 4: Energy, Power, and Resistance.
All presentations come with worked examples, solutions and homeworks.
This covers topics from Kirchhoff’s laws to potential dividers and sensing circuits.
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OCR AS level Physics: Waves 1
OCR AS level Physics presentations for module 4: Waves 1
All presentations come with worked examples, solutions and homeworks.
This covers topics from wave properties to Snell’s law and total internal reflection.
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OCR A level Physics: Oscillations and Simple Harmonic Motion
OCR A level Physics: Oscillations and Simple Harmonic Motion is a part of the Module 5: Newtonian World and Astrophysics.
All presentations come with worked examples, solutions and homeworks.
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GCSE Chemistry: Carboxylic Acids
This PowerPoint presentation with worked examples and student questions covers:
• Functional groups of carboxylic acids, alcohols, alkanes, and alkenes.
• Mnemonic device for naming carboxylic acids
• General formula for carboxylic acids
• Drawing the structural formula for carboxylic acids
• Carboxylic acids as weak acids and
• Acid reactions with bases, metals, and carbonates
• Oxidation reactions from alcohols to carboxylic acids
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OCR AS level Physics: Quantum Physics
OCR AS level Physics presentations for module 4: Quantum Physics.
All presentations are full lesson PowerPoints with worked examples and homeworks with complete worked answers.
The Photon Model
Energy of a single photon
Converting from electron-volts to Joules.
Frequency of the electromagnetic spectrum
Determining Plank’s constant with LEDs
Threshold potential difference difference
Photoelectric Effect
Threshold frequency
Producing photoelectrons
Kinetic energy of photoelectrons
Linking frequency and wavelength
The electromagnetic spectrum, frequency and energy.
Einstein’s Photoelectric Equation
The photoelectric equation
Work function and Kinetic Energy
Determining work function from a graph
Determining threshold frequency from a from graphical analysis.
Determining Plank’s constant from graphical analysis.
Wave Particle Duality
deBroglie wavelength equation
Diffraction of electrons and protons
Comparing wavelengths of particles with different masses
Kinetic energy and wavelength
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GCSE Chemistry: Instrumental Methods of Analysis
This PowerPoint presentation with worked examples and student questions covers:
Jobs in Environmental Chemistry
Definition of Instrumental Methods of Analysis
Advantages of Instrumental Methods of Analysis
Gas Chromatography and Chromatograms
Mass Spectrometer and Relative Atomic Mass
Identifying a molecule with use of a mass spectrum
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OCR AS level Physics: Work, Energy and Power
OCR AS level Physics presentations for module 3: Work, Energy and Power.
All presentations come with worked examples, solutions and homeworks.
This covers topics from conservation of energy to derivations for kinetic energy.
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OCR A level Chemistry: Amines, Amino Acids, and Polymers
OCR A level Chemistry: Aromatic Compounds is apart of the Module 6: Organic Chemistry and Analysis.
All presentations come with worked examples, solutions and homeworks.
27.1 Amines
27.2 Amino acids, Amides and Chirality
27.3 Condensation Polymers
Aliphatic and aromatic hydrocarbons
Amines being derived from ammonia (NH3)
Classifying amines as primary, secondary, and tertiary
Naming amines
Naming ammonium salts
Amines neutralisation reactions with acids
Preparation of aliphatic amines
Preparation of aromatic amines
Locants: alpha, beta, and gamma
Functional groups of amino acids
General formula for amino acids
Reactions of amino acids (alkali and acid)
Esterification of amino acids
Amide functional groups
Naming amide molecules
Drawing optical isomers
Explanation of superimposable and non-superimposable images
Identifying chiral centers
Recap of addition polymerisation
Identifying monomers and repeat units from condensation polymers
Polyesters and ester links
Polyamides and amide links
Polyesters and polyamides formed from one monomer
Polyesters and polyamide formed from two monomers
Alkali hydrolysis of polyamides and polyesters
Acid hydrolysis of polyamides and polyesters
Bundle
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OCR AS level Chemistry: Organic Synthesis
OCR AS level Chemistry: Organic Synthesis is apart of the Module 4: Core Organic Chemistry and Analysis
All presentations come with worked examples, solutions and homeworks
Heating under reflux
Distillation
Re-distillation
Purifying Organic Products
Removing impure acids from organic compounds
Drying agents
Functional Groups - Alkane, Alkene, Haloalkane, Alcohols, Carboxylic Acid, Ketone, Aldehyde, Ester, Amine, Nitrile.
One-step synthetic routes with reagents and conditions
Two-step synthetic routes with reagents and conditions
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OCR A level Chemistry: Aromatic Compounds
OCR A level Chemistry: Aromatic Compounds is apart of the Module 6: Organic Chemistry and Analysis.
All presentations come with worked examples, solutions and homeworks
Molecular, empirical, skeletal formula for benzene.
The Kekulé model for benzene
Evidence against the Kekule model
The delocalised model for benzene
Nomenclature for benzene rings and aromatic (arene) compounds
Naming benzene containing compounds
Drawing benzene containing compounds
Defining an electrophile
Substitution reactions
Nitration of Benzene
Reaction mechanisms
Halogenation of Benzene
Common Halogen Carriers
Friedel-Crafts Alkylation Reactions
Acyl Chloride
Acylation Reactions of Benzene
Reactivity of Alkenes and Arenes
Naming phenols
Distinguishing between phenols and alcohols
Distinguishing between phenols and alkenes
Distinguishing between phenols and carboxylic acids
Phenol as a weak acid
Electrophilic reactions with phenols
Comparing and explaining the reactivity of phenols and benzene
Naming positions on the aromatic ring
Activating groups and deactivating groups
2-and-4-directing and 3-directing groups
ortho-and-para directing and meta directing groups
Two-step synthesis routes for benzene using directing groups.
Nitration of benzene
Halogenation of benzene
Friedel-Crafts Alkylation of benzene
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OCR A level Chemistry: Organic Synthesis
OCR A level Chemistry: Organic Synthesis is apart of the Module 6: Organic Chemistry and Analysis.
All presentations come with worked examples, solutions and homeworks.
28.1 Carbon-Carbon Bond Formation
28.2 Further Practical Techniques
28.3 Further Synthetic Routes
Forming nitriles from haloalkanes
Forming nitriles from aldehydes and ketones
Forming amines from nitriles (reduction)
Forming carboxylic acids from nitriles (hydrolysis)
Friedel-Crafts alkylation of benzene
Acylation of benzene with acyl chloride
Filtration under reduced pressure
Purification through Recrystallisation
Preparation of Melting Point Sample
Melting point determination with an electric heater
Melting point determination with a Thiele tube
Functional groups
Reactions of benzenes
Reactions of phenols
Common reactions between different functional groups
Reaction conditions and reagents
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GCSE Physics: Distance, Time and Speed
This presentation covers material for OCR Physics Gateway 9-1 P2.1.1
Covered:
Measuring and calculating
Accuracy of stop watch vs light gate
Conversion of units
Exam style question
Worked examples
Students questions with answers
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OCR A level Physics: Capacitance
OCR A level Physics: Chapter 21 Capacitance is apart of the Module 6: Particle and Medical Physics
All presentations come with worked examples, solutions and homeworks.
21.1 Capacitors
21.2 Capacitors in circuits
21.3 Energy stored by capacitors
21.4 Discharging capacitors
21.5 Charging capacitors
21.6 Uses of capacitors
Electrical quantities, symbols, and units
SI prefixes and standard form
Definition of a capacitor
Structure of a capacitor
Calculating capacitance, charge, and potential difference.
Uses of capacitors in circuits.
Rules for capacitors in parallel (potential difference, charge, and capacitance).
Rules for capacitors in series (potential difference, charge, and capacitance).
Applying the rules in series and parallel.
Creating a circuit to calculate the charge stored on the capacitor.
Work done of a capacitor depends upon the initial potential difference and capacitance.
Work done is provided by the source of potential difference.
Deriving three equations for work done of a capacitor.
Exponential increase and exponential decay
Explaining how capacitors discharge through a resistor in parallel
Definition of time constant for a capacitor
Showing that time constant has units of seconds
Iterative method for finding how capacitors discharge
Using exponentials and logs.
Solving a differential equation (needed for A-level Maths).
Explaining how capacitors charge with a resistor in series
Explaining how 𝑉, 𝐼, or 𝑄, change with time 𝑡 for a charging capacitor.
Sketching graphs for 𝑉, 𝐼, or 𝑄, after time 𝑡 for a charging capacitor.
Calculating 𝑉, 𝐼, or 𝑄, change with time 𝑡 for a charging capacitor.
Calculating power output from a circuit containing a capacitor
A rectifier circuit - changing an alternating input to a smooth output