Summary: Chemistry For Igcse | 9781408500187 | Roger Norris, et al

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Read the summary and the most important questions on Chemistry for IGCSE | 9781408500187 | Roger Norris, Roger Stanbridge ; Series editor, Lawrie Ryan.

  • 1 Particles and Purification

  • 1.1 solids, liquids and gasses

    This is a preview. There are 1 more flashcards available for chapter 1.1
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  • What are the three states of matter

    Solids, liquids and gasses
  • What is the particle arrangement of  a solid

    The arrangement of a solid is a fixed pattern. The particles only vibrate and are close together
  • What is the particle arrangement of a gas

    The arrangement of a gas is random. Particles move everywhere rapidly and they are far apart
  • In which changes of state does energy need to be put in

    Melting and evaporating
  • In which changes of state does energy need to be given out

    Freezing and condensing
  • 1.2 diffusion

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  • What is the kinetic particle theory

    The kinetic particle theory states that molecules in solids, liquids and gasses are always moving
  • Why is diffusion faster in a gas than a liquid

    In gases the particles move rapidly and in liquids move slowly.
  • Why does diffusion not occur in solids

    Because particles in solids are tightly packed together, although they do vibrate they cannot move
  • What decides the speed of diffusion

    Th speed of diffusion depends on how heavy a molecule is. Substances with a high relative molecular mass diffuse slowly and substances with a low molecular mass diffuse faster
  • 1.3 apparatus for measuring

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  • What are the units for mass, temperature and volume in chemistry

    Grams, C* and cm3 or dm3
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