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24 January, 06:28

Mercury has one of the lowest specific heat capacities. If 257 J of heat are added to 0.45 KJ of mercury, the Mercury's temperature will increase by 4.09 K. What is the specific heat capacity of mercury?

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  1. 24 January, 06:35
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    139.67 (J/kgk)

    Explanation:

    Given dа ta:

    mass of mercury = m = 0.45 Kg

    Amount of energy = Q = 257 J

    Increase in the temperature = ΔT = 4.09 K

    To find:

    Specific heat capacity = C

    Formula:

    By using specific heat equation,

    Q = m x C X ΔT

    C = Q / m x ΔT

    = 257J / o. 45 kg x 4.09K

    = 257J / 1.84

    = 139.67 (J/kgk)

    Specific heat of mercury is 139.67 (J/kgk).
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