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    Combined Science GCSE

    Change of state

    What Change of state means in Combined Science GCSE, as defined for AQA.

    Definitions of Change of state

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    Reference: AQA

    Occurs when energy instead breaks or loosens bonds between particles, so the arrangement changes while the temperature stays constant.
    AQA · Internal energy (study guide)
    A process in which energy breaks or forms intermolecular bonds rather than increasing kinetic energy, so temperature stays constant.
    AQA · Changes of state and specific latent heat (study guide)

    Topics that use Change of state

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    Using Change of state in the exam

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