David Fowkes has been teaching chemistry for over 35 years. His teaching career started at King Edward VI School Southampton. Subsequent posts as Head of Chemistry then Head of Science in Framlingham College and then Rossall School enabled him to develop further resources and techniques for the teaching of chemistry. David founded Goldhill Edu...
Goldhill Education Ltd provides private tuition services for students of A level, IB Diploma and GCSE science and mathematics. We are continually developing digital and online resources to support the teaching, learning and further understanding of science. We are a small but growing group of highly experienced, well-qualif...
3.17 - 3.22 Reversible reactions and equilibria A question of balance Many chemical reactions can be reversed.&nbs... https://www.mychem.co.uk/index.php/igcse-chemistry/physical-chemistry/equilibria EdexcelOCR Questions The video describes a number of equilibria. Watch the video, pausing as required and answer the questions below: E...
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3.1 - 3.8 Energetics An exothermic reaction 3.1 Energetics Students should:3.1 kno... https://www.mychem.co.uk/index.php/igcse-chemistry/physical-chemistry/energetics You need to know the definitions of: Enthalpy change of formation Enthalpy change of combustion Exam question 1 Exam question 2
GIANT METALLIC LATTICES Enter your text here ... GIANT IONIC LATTICES Enter your text here ... GIANT COVALENT LATTICES Enter your text here ... SIMPLE MOLECULAR ( SMALL MOLECULES) Enter your text here ... MONATOMIC Enter your text here ...
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Activity 1. All in order DO TRY THIS AT HOME (it's quite safe !) Prepare 18 Postit notes or similar pieces of card. Squares are bestGive each Postit a symbol of one of the first 18 elements in the periodic tableYou need to know the name of each element as well as its symbol. Write the name on the backFind a partner&n...
EdexcelOCRAQA Production of alcohols Enter your text here ... Oxidation of alcohols Enter your text here ... Elimination from alcohols With phosphorus pentachlorideMaking HBrIodo alkanes Enter your text here ... Enter your text here ... Enter your text here ... Enter your text here ... Enter your text here ... Enter your text here ... Enter your te...
OCR EDEXCEL Use this video to see how to compare the rates of hydrolysis for haloalakanes. What does it show? Can you explain the results. Nucleophilic substitution mechanism
Mychem is a web-based resource dedicated to supporting the tutoring, teaching and learning of chemistry. It includes animations, images, infograms, text, activities, selected videos , quizlet and powerpoint presentations. Mychem has been constructed as a support site - specifically to support teachers and students foll...
Edexcel or is it???
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4.34 - 4.37 From wine to vinegar Carboxylic acids are a homologous series of compounds with the functional group -CO2H. They are all organic acids and are regarded as weak acids which means they do not ionise completely in solution. Carboxylic acids are formed when alcohols are oxidised by the air or by using an appropriate ox...
4.34 - 4.37 From wine to vinegar Carboxylic acids are a homologous series of compounds with the functional group -CO2H. They are all organic acids and are regarded as weak acids which means they do not ionise completely in solution. Carboxylic acids are formed when alcohols are oxidised by the air or by using an appropriate ox...
Concentration Noun :the action or power of focusing all one's attentiona close gathering of people or things.the relative amount of a particular substance contained within a solution or mixture or in a particular volume of space In this topic we will of course be using the third definition of concentration. Students should: 1.34C ...
3.9 - 3.16 Rates of reaction paint must not dry too quickly 3.9 - 3.16 What is rate? How fast a chemical... https://www.mychem.co.uk/index.php/igcse-chemistry/physical-chemistry/rates-of-reaction Any measurable factor which changes as a reaction proceeds can be used to measure the rate. The gradient of graphs give a reading for the reac...
Esters are a family of compounds which can be formed as a result of the reaction between a carboxylic acid and an and alcohol. Here you will find out how the reaction is performed and how to draw and name the product.
how it works The mass spectrometer "sorts" isotopes according to their mass. It can also be used to analyse organic molecules. Background 1.14 - 1.17 Atomic structure If a nucleus was the size of a raisin, the rest of the atom would be the size of a sports stadium https://www.mychem.co.uk/index.php/igcse-chemistry/principles-of-chemistr...