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Question about supercooling

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  • Question about supercooling

    Hi

    Im struggling with this question , any help?

    Supercooling is decrease in temperature:

    a. of an expanding volume of air without heat exchange with its surrounding.
    b. due to transfer of latent heat into an
    adjacent heat sink
    c. that is best achieved by very slow processes to transfer heat exchange.
    d. of a volume of air gained by the compression of the respective volume.
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