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8 August, 06:01

How many joules of heat is lost when a 64 g piece of copper cools from 375 oC to 26 oC? The specific heat of copper is 0.38 J/goC.

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  1. 8 August, 09:37
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    Answer: 8500 J lost or - 8500 J

    Explanation:

    q=cmt

    t=375-26

    t=349

    q=0.38 (64) (349)

    q=8487.68 J

    Answer must have 2 sig figs, which means it rounds to 8500 J.
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