Glossary

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molar gas volume

Subject: 

  • Physical Sciences

the volume of 1 mole of gas. The molar gas volume is equal for all gasses at a given temperature and pressure. 1 mole of any gas occupies 22,4 dm3 at S.T.P.

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addition reactions
Subject:
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reactions in which two or more molecules react to form one molecule.

precipitation reaction
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a chemical reaction in which a solid product forms from aqueous (aq) reactants.

percentage purity
Subject:
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the ratio of the amount of a pure compound to the amount of substance containing that compound...

molar gas volume
Subject:
Physical Sciences

22,4 x 10-3 m3 or 22,4 dm3 at S.T.P.

termination (of a polymerisation reaction)
Subject:
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a polymerisation reaction is terminated by any reaction that uses up the radicals.

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Exam practice is essential. Make sure your student has access to practice exam papers for the subjects they take. Make sure the exam papers relate to the correct version of the curriculum.

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Studying should be active. Your child should be making notes, working through examples, doing practice exam papers and testing herself on the sections she is studying.

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Formulae sheets or key concept sheets are useful for quick revision. Get your teenager to stick them on the wall in their room. The more they look at the formulae and key concepts, the more likely...

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Different study methods work for different students. Find out what works for your child so you understand how you can support him or her.

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