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.

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.

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. Combined Science Exam practice. Personalise your Bitesize! Jobs that use Science. BBC: Science and Environment.

The formula of calcium hypochlorite is CaCl 2 O 2. Calculate the empirical formula of this compound.

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.

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:. These questions have been written by Bitesize consultants as suggestions to the types of questions that may appear in an exam paper.

Bbc bitesize quantitative chemistry

Atomic structure and the periodic table. Bonding, structure and properties. Science exam techniques. GCSE Chemistry: exam-style questions.

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Rate of Reaction. Remember, be methodical. Quantitative chemistry is therefore about proportions - if you can do basic arithmetic and work out pecentages and proportions, you have the skills needed to do chemical calculations for GCSE. Higher Only. By clicking continue and using our website you are consenting to our use of cookies in accordance with our Cookie Policy. Are you getting stressed by the idea of your upcoming exams? External link. The key idea that lies behind quantitative chemistry is the mole. Calculate the relative formula mass of this compound. The number of particles in a substance can be found using the Avogadro constant. Calculate the relative formula mass of calcium hypochlorite. Statistics Calculations.

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.

Sometimes athletes take drugs to enhance their performance. Online test with. One of the best ways to reduce this stress is by doing mock exams and see where you're actually standing. No matter what Chemistry specification you're studying, Seneca's revision courses contain everything you need to know for your GCSE exam. Topics covered in the course include air and water, chemical patterns, the chemistry of the natural environment, chemical analysis, organic chemistry and much more! Bonding, Structure and Properties of Matter. This includes equations for pH, energy changes, general formulae and the Haber process to name a few. Username or Email Address. No results matching search. Calculations in chemistry - AQA Relative formula masses can be calculated and used in conservation of mass calculations. Our Social Circles. The profit from every set is reinvested into making free content on MME, which benefits millions of learners across the country.