Bbc bitesize quantitative chemistry

Everything you need for GCSE Chemistry revision, from past papers and revision pages, to revision cards and exam questions by topic. Gold Standard Education. Learn an entire GCSE course for maths, English and science on the most comprehensive online learning platform.

No matter what Chemistry specification you're studying, Seneca's revision courses contain everything you need to know for your GCSE exam. Seneca covers foundation and higher tier across Double Award, Co-ordinated Sciences, Combined Sciences and your straight run-of-the-mill Chemistry. So whatever class you're taking, you can sign up for FREE and learn exactly what you need to know! Take a look at the specs and see a short intro to the most popular courses below. Learn everything for GCSE Chemistry using bitesize concepts optimised for learning and understanding. Do Free Chemistry Revision. Do you know the difference between exothermic and endothermic reactions?

Bbc bitesize quantitative chemistry

Calculations in chemistry - AQA. Relative formula masses can be calculated and used in conservation of mass calculations. Calculations can be carried out to find out concentrations of solution and uncertainties in measurements. Calculations in chemistry - Higher - AQA. The mole is the unit for amount of substance. The number of particles in a substance can be found using the Avogadro constant. The mass of product depends upon the mass of limiting reactant. Sample exam questions - quantitative chemistry - AQA. Understanding how to approach exam questions helps to boost exam performance. Question types will include multiple choice, structured, mathematical and practical questions.

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Magic for Learning and Revision. Quantitative chemistry is all about calculations using the mole as a unit. In maths, you expect to be doing calculations but in chemistry it can come as a bit of a shock to the system! Many students panic at the mention of carrying out chemical calculations but, with a little understanding and knowledge of certain ideas and a few techniques, they can become a lot less worrying. Calculations are a good way of picking up marks in the GCSE.

Maths questions often start with the command word calculate. You need to use numbers given in the question to work out the answer. Listen to the full series on BBC Sounds. Brush up on the maths you need for your exam - percentages, averages and converting units. Maths questions might ask you to plot or complete a graph or table. When you draw a graph, make sure you:. You may be given a grid with axes labelled and scales already given. Sometimes you may be given an empty grid for you to supply your own axes. When you do this:.

Bbc bitesize quantitative chemistry

Atomic structure and the periodic table. Bonding, structure and properties. Science exam techniques.

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Calculations Using Moles. The key idea that lies behind quantitative chemistry is the mole. Gold Standard Education. Bonding, Structure and Properties of Matter. The best place to find past papers is on the official website of the exam board, which are linked at the top of this article. You might realise that you actually already know a lot of the chemistry material. Yield and Atom Economy. Despite being huge, it is easy to count out this number of particles as it is based on atomic masses; if you weigh out the formula mass of a substance, you have one mole of particles. The whole specification is covered so take a look and see how it can help you! Questions and Answers. Or take a look around the website and start at our Home page. BBC: Science and Environment. Save My Exams.

Calculations in chemistry - AQA. Relative formula masses can be calculated and used in conservation of mass calculations. Calculations can be carried out to find out concentrations of solution and uncertainties in measurements.

Add Free Courses. So whatever class you're taking, you can sign up for FREE and learn exactly what you need to know! Calculate the mass of oxygen in a 50g tablet of calcium hypochlorite. Chemical Reactions and Compounds. Metallic Bonding. BBC Earth. Topics covered include the nature of matter, experimental techniques, stoichiometry, electricity, chemical reactions, organic chemistry, metals and much, much more! Online Test with. Already have an account? Greenhouse Gases.