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6 September, 19:59

What is the specific heat of a 42.6 gram compound that changes from 12 Celsius to 46 Celsius when it absorbs 1260 KJ of energy

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  1. 6 September, 23:48
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    869.93J/g°C

    Explanation:

    From the question given, we obtained the following:

    M = 42.6g

    T1 = 12°C

    T2 = 46°C

    ΔT = T2 - T1 = 46 - 12 = 34°C

    C = ?

    Q = 1260 KJ = 1260000J

    Q = MCΔT

    C = Q / MΔT

    C = 1260000 / (42.6 x 34)

    C = 869.93J/g°C

    Therefore, the specific heat capacity is 869.93J/g°C
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