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4 August, 06:21

25.0 g of mercury is heated from 25°C to 155°C, and absorbs 455 joules of heat

in the process. Calculate the specific heat capacity of mercury.

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  1. 4 August, 07:29
    0
    The answer to your question is: Cp = 0.14 J/g°C

    Explanation:

    Data

    mass = 25 g

    T1 = 25°C

    T2 = 155°C

    Q = 455 joules

    Cp = ?

    Formula

    Q = mCpΔT

    Clear Cp from the equation Cp = Q / (mΔT)

    Cp = 455 / ((25 (155-25))

    Cp = 455 / (25 (130))

    Cp = 455 / 3250

    Cp = 0.14 J/g°C
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