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.

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.

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. Quantitative chemistry.

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. 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.

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.

Bbc bitesize quantitative chemistry

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

Feliz cumpleaños david gif

Potable Water. Take for example water and salt. This free, online revision course includes states of matter, atomic structure, chemical formulae, bonding, atmospheric chemistry, metal extraction and much more. You've had your free 15 questions for today. It's also a good way to identify what chemistry topic you should revise a bit more. Flavia Belham. Join Us Login. Question types will include multiple choice, structured, mathematical and practical questions. You then just need to be methodical and start with the correct chemical formulae and balanced equations. Water has the formula mass of 18 amu two hydrogen atoms with atomic mass of 1 amu plus one oxygen at 16 amu so 18 g would contain one mole of water molecules; 9 g contains half of a mole and so on. External link.

Calculations in chemistry - AQA.

Revision Buddies. Start Revising for Free. Endothermic and Exothermic Reactions. Yield and Atom Economy. Experimental Design. Previous post Next post. 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. In maths, you expect to be doing calculations but in chemistry it can come as a bit of a shock to the system! Topic Name. Limiting Reactants. Reducing Use of Resources.