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Chemistry
GCSE Chemistry: Redox Reactions
This PowerPoint presentation with worked examples and student questions covers:
• Oxidation and reduction reactions for oxygen
• Identification of oxidation and reduction agents
• Oxidation and reduction reactions for electrons
• Half equations to determine oxidation and reduction
OCR Applied Science: 21.3 Titration Techniques
OCR Applied Science Level 3 - Module 21: Product Testing Techniques.
3.1 Titration techniques on consumer products
• Acid-base titration (e.g. limescale removers, eco-disinfectants)
• Precipitation titration (e.g. contact lens saline solution)
• Redox titration, (e.g. bleach, tooth whitener; vitamin C tablets).
• Complexometric titrations (e.g. Milk of Magnesia)
Including explanation and activities on:
Titration calculations
Moles and molar mass
Rearranging Equations
State symbols
Significant Figures
Comparing Data
GCSE Chemistry: Bond Energies and Energy Changes
This PowerPoint presentation with worked examples and student questions covers:
• Definition of bond energies
• Calculating bond energies per mole
• Calculating change in bond energies in reactions
• Determining if a reaction is exothermic or endothermic from the change in bond energy.
GCSE Chemistry: Reaction Profiles
This PowerPoint presentation with worked examples and student questions covers:
• Reaction profiles for exothermic and endothermic
• Energy stores of particles and surroundings
• Activation energy
• Describing the main features of reaction profiles.
GCSE Chemistry: Exothermic and Endothermic Reactions
This PowerPoint presentation with worked examples and student questions covers:
• Definition for exothermic and endothermic
• Examples of exothermic and endothermic reactions
• Practical procedure for NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l)
• Determining if experimental evidence show a exothermic or endothermic reaction
Bundle
GCSE OCR Chemistry C3.1 Introducing Chemical Reactions
Resources for C3.1 GCSE OCR Chemistry Gateway 9-1 Triple and Combined (Higher and Foundation) is covered in this material.
Includes:
Formulae of elements and molecules
Formulae of ionic compounds
Conservation of mass
Chemical Equations
Half equations and ionic equations
The mole
Mole calculations
GCSE Chemistry: Mole Calculations
This PowerPoint presentation with worked examples and student questions covers:
• Rearranging Equations
• Stoichiometry as relative abundances
• Relative Atomic Mass, Relative Formula Mass and Molar Mass
• Calculating the number of moles present
• Conservation of mass
GCSE Chemistry: The Mole
This PowerPoint presentation with worked examples and student questions covers:
• Using Standard Form
• Avogadro’s constant
• Relative Atomic Mass, Relative Formula Mass and Molar Mass
• Rearranging Equations
• Calculating the number of moles present
Bundle
GCSE OCR Chemistry C2.3 Properties of Materials
Resources for C2.3 GCSE OCR Chemistry Gateway 9-1 Triple and Combined (Higher and Foundation) is covered in this material.
Includes:
Carbon
Changing State
Bulk Properties
Nanoparticles
Bundle
GCSE OCR Chemistry C2.1 Purity and Separating Mixtures
All resources for P2.1 GCSE OCR Chemistry Gateway 9-1 Triple and combined (Higher and Foundation) is covered in this material.
Includes:
Relative Formula Mass
Empirical Formula
Pure and Impure Substances
Filtration and Crystallisation
Simple Distillation
Paper Chromatography
Gas and Think Layer Chromatography
Purification and Checking Purity
GCSE Chemistry: Half Equations and Ionic Equations
This PowerPoint presentation with worked examples and student questions covers:
• Precipitation in chemical reactions
• Definition of ions
• Ionic Half equations
• Dot and cross diagrams for electron structure
• Introduction to full ionic equations and net ionic equations
Bundle
GCSE OCR Chemistry C2 Elements, Compounds, and Mixtures
Resources for P2 GCSE OCR Chemistry Gateway 9-1 Triple and Combined (Higher and Foundation) is covered in this material.
Includes:
Relative Formula Mass
Empirical Formula
Pure and Impure Substances
Filtration and Crystallisation
Simple Distillation
Paper Chromatography
Purification and Checking Purity
Metals and Non-metals
Electronic Structures
Forming Ions
Ionic Compounds
Simple Molecules
Giant Covalent Structures
Polymer Molecules
Structure of Metals
Carbon
Changing State
Bulk Properties
Nanoparticles
GCSE Chemistry: Chemical Equations
This PowerPoint presentation with worked examples and student questions covers:
• Pathways into medical chemistry
• State the number of atoms from a chemical formula.
• Properties of metals and non-metals
• Determine state symbols for chemical equations
• Balancing chemical equations
GCSE Chemistry: Conservation of Mass
This PowerPoint presentation with worked examples and student questions covers:
• State the number of atoms from a chemical formula.
• Relative Atomic masses and relative formula mass
• Practical activity of non-closed chemical reactions.
GCSE Chemistry: Formulae for Ionic Compounds
This PowerPoint presentation with worked examples and student questions covers:
• State the number of electrons in each energy level.
• Determine what type of ion an atom would form.
• Calculate the ionic charge an atom would form with use of the periodic table.
• Groups number, outer shell electrons, dot and cross diagrams
GCSE Chemistry: Formulae of Elements and Molecules
This PowerPoint presentation with worked examples and student questions covers:
• State the number of elements in a chemical formula.
• Determine the chemical formula from display formula.
• Dot and cross diagrams for bonded atoms
GCSE Chemistry: Nanoparticles
This PowerPoint presentation with worked examples and student questions covers:
• Relative size of nanoparticles
• Convert nanometres using standard form
• Uses and dangers of nanoparticles
Bundle
OCR Applied Science: 21.2 Product Testing of Consumer Products
OCR Applied Science Level 3 - Module 21: Product Testing Techniques.
2.1 Types of testing i.e.:
• in-vitro
• in-vivo
• titration
• extraction and separation
2.2 Laboratory testing during development i.e.:
• formulation
• production
• quality control and assurance
• after sale monitoring.
2.3 Effectiveness of test i.e.:
• Appropriate test method
• Data collection validity and reliability
• Consistent chemical composition
• Hazards and risks of use (e.g. toxicity, possible mutagenic and
teratogenic effects, microbiological safety)
OCR Applied Science: 21.2.3 Effectiveness of Tests
OCR Applied Science Level 3 - Module 21: Product Testing Techniques.
This PowerPoint presentation with worked examples and student activities covers: Topic 2.3 of Module 21: Product Testing Techniques.
2.3 Effectiveness of test
• Appropriate test method
• Data collection validity and reliability
• Consistent chemical composition
• Hazards and risks of use
OCR Applied Science: 21.2.2 Testing During Development
OCR Applied Science Level 3 - Module 21: Product Testing Techniques.
This PowerPoint presentation with worked examples and student activities covers: Topic 2.2 of Module 21: Product Testing Techniques.
2.2 Laboratory testing during development i.e.:
• formulation
• production
• quality control and assurance
• after sale monitoring.